home

+

+- [[esim]] - [[bank]] - [[broker]] - [[digital-wallet]] - [[credit-card]]

+

+

+

+

+

+# turkey.md

+

+- register turkey ID

+

+- login into appple devices == need to receive SMS by phone number

+

+- [[gift-card]]

+

+

+然后就直接注册通过,无需绑定信用卡,关键是要一个土耳其的住宅IP. 然后网络环境干净,就会绕过不会要求绑定土耳其虚拟卡

+

+

+1，每个月快到自动续订的必须保证余额充足

+

+2，土区Apple ID尽量采用老号转区，风控低一些

+

+3，礼品卡尽量不要在淘宝闲鱼上购买，有黑号的可能

+

+4，如非要采用GPay订购，尽量用老号支付，风控可能低一点点

+嘉信

+

+

+

+# apple-giftcard-kfc

+

+## giftcard

+

+2025.07 更新：土区Apple 礼品卡购买，可通过MTC GAME平台操作，这个平台的购物体验更好，具体教程请参考「国内用户苹果土耳其礼品卡购买全攻略（注册、充值、避坑指南）」一文。

+

+1）在全局模式下，访问 oyunfor.com，使用 Google 翻译将页面翻译成自己能看懂的语言，然后注册一个账号（可使用国内手机号），注册后需前往邮箱点击链接激活账号。

+

+

+

+## eneba

+

+buy at

+

+https://www.eneba.com

+

+https://www.eneba.com/google-play-google-play-gift-card-10-inr-key-india

+

+

+apple - turkey

+

+https://www.eneba.com/store/apple-gift-cards?enb_campaign=Homepage&enb_content=Main%20Categories%20Navigation&enb_medium=link&enb_source=https%3A%2F%2Fwww.eneba.com%2F&enb_term=Apple

+

+

+Apple Gift Card 100 TRY Key TURKEY == ₺111.54

+

+https://www.eneba.com/apple-apple-gift-card-100-try-key-turkey

+

+

+

+

+

+Apple iTunes Gift Card 100 TRY iTunes Key TURKEY

+

+Can't be activated in United States of America

+

+

+

+

+

+

+## apple ID

+

+https://account.apple.com/account#

+

+

+

+## youtube on apple store

+

+https://apps.apple.com/us/app/youtube/id544007664

+

+

+

+## google play gift card

+

+https://www.eneba.com/google-play-google-play-gift-card-100-try-key-turkey

+

+

+

+- [[SMS]]

+

+# casino

+

+## free spins

+

+Hello Passive Income Community!

+

+I'm posting today about a project I've been working on, The Frugal Gambler. It's a site that has a notification system called the Money Feed that helps you get free money from online casinos every day. I've been working on it for about a month and I'm ready to have some users test things out so I can iron out last bugs and make improvements. Right now it supports 17 casinos which allows you to earn about $8 a day. I'm adding one or two new casino per day and will eventually have close to 60 which will bring the earning potential up to about $35 a day. You don't have to spend a dime at these casinos to earn these free spins.

+

+I'll be adding some additional systems down the road to help you track your finances as easily as possible and help with things like coupon notifications. I release updates multiple times per week and am iterating quickly so I'd love to have a few people actively using the site. If you're interested, head on over and sign up! There's a link in the site footer to reach out to me about bugs, features, and general improvements you'd like to see. I have it set to manually approve accounts which I'll do as quickly as possible but please be patient.

+

+It's a great form a passive income that's made me a little over 2.5k this year without spending a dime. Head on over to frugalgambler.club if you're interested in helping me build this community and want a fun, relaxing way to earn some extra cash!

+

+https://frugalgambler.club/register/

+

+# make-money

+

+- [[casino]]

+

+- [[treasure-hunting]]

+

+

+# gold.md

+

+

+

+# metal-detector

+

+The Minelab Vanquish 340

+and the Nokta Simplex Lite are the two best starter machines available.

+

+

+

+## top 5 best metal detector brands

+

+Here’s a list of the **top 5 best metal detector brands**, known for quality, reliability, and performance:

+

+1. **Minelab**

+ - Specializes in advanced technology and high-performance detectors for gold prospecting, treasure hunting, and underwater detection.

+ - Popular Models: Minelab Equinox 800, Minelab Vanquish 540.

+

+2. **Garrett**

+ - Known for user-friendly detectors suitable for beginners and professionals alike.

+ - Popular Models: Garrett AT Pro, Garrett ACE 400.

+

+3. **Nokta Makro**

+ - Offers innovative and durable detectors for a variety of environments, including underwater and rugged terrain.

+ - Popular Models: Nokta Makro Simplex+, Nokta Legend.

+

+4. **Fisher Labs**

+ - One of the oldest and most trusted names in metal detection, known for precision and affordability.

+ - Popular Models: Fisher F75, Fisher Gold Bug Pro.

+

+5. **XP Metal Detectors**

+ - Renowned for lightweight and wireless designs, perfect for experienced hobbyists and professionals.

+ - Popular Models: XP Deus II, XP ORX.

+

+## Garrett ACE 300 VS MINELAB X-Terra PRO

+

+| Feature | Garrett ACE 300 | Minelab X-Terra PRO |

+| ----------------------- | --------------------------------------------------- | ----------------------------------------------- |

+| **Operating Frequency** | 8 kHz (fixed) | 5/8/10 kHz (adjustable, Multi-Frequency Tech) |

+| **Search Modes** | 5 modes (All-Metal, Jewelry, Relics, Coins, Custom) | 5 modes (Park, Field, Beach, Gold, Custom) |

+| **Display** | LCD with basic target ID | LCD with advanced target ID and depth indicator |

+| **Waterproof** | Search coil only | Fully waterproof up to 5 meters |

+| **Coil Size** | 7” x 10” PROformance | 12” round V12 coil |

+| **Weight** | 2.8 lbs (1.27 kg) | 2.9 lbs (1.32 kg) |

+| **Ground Balance** | Fixed | Manual and Automatic |

+| **Audio Tones** | 3 tones | 5 tones with customizable tone breaks |

+| **Depth Indicator** | Yes | Yes, more precise |

+| **Battery** | 4 AA batteries | Built-in rechargeable (USB-C) |

+

+# minelab

+

+

+| **Price Range** | **Brand** | **Device Name** | | | |

+| --------------- | --------- | ------------------------------------------- | --- | --- | ------------------------- |

+| 200 | Quest | Quest Machines | | | |

+| 200 | Nokta | First Swing | | | |

+| 200 | Minelab | Go-Find | | | |

+| | Nokta | Simplex BT Metal Detector (Metal Detector) | | | 200+ bought in past month |

+| | Nokta | Simplex Ultra WHP Waterproof Metal Detector | | 323 | |

+| 400 | Nokta | Simplex Line | | | |

+| 400 | Minelab | Vanquish 340 | | - | |

+| 400 | Minelab | Vanquish 440 | | 300 | |

+| 400 | Minelab | Vanquish 540 | | 400 | |

+| 400 | Minelab | X-Terra Pro | | 253 | 800+ bought in past month |

+| - | Nokta | PulseDive | | | |

+| 500 | Nokta | Score | | | |

+| 500 | Nokta | Double Score | | | |

+| 500 | Minelab | Vanquish 540 | | | |

+| 1200 | Nokta | Legend | | | |

+| 1200 | Minelab | Equinox Series | | | |

+| 1300 | XP | Deus 2 | | | |

+| 1300 | Minelab | Manticore | | | |

+| - | Minelab | Excalibur 2 | | | |

+| | Minelab | Equinox 800 | | 700 | |

+

+

+

+

+## compare vanquish and quinox

+

+https://www.detectorprospector.com/topic/20432-equinox-whats-improved/

+

+### Equinox Series

+

+| Feature | Equinox 600 | Equinox 700 | Equinox 800 | Equinox 900 |

+|-------------------------|----------------------------------------|----------------------------------------|----------------------------------------|----------------------------------------|

+| **Technology** | Multi-IQ Simultaneous Multi-Frequency | Multi-IQ Simultaneous Multi-Frequency | Multi-IQ Simultaneous Multi-Frequency | Multi-IQ Simultaneous Multi-Frequency |

+| **Frequencies** | 5 kHz, 10 kHz, 15 kHz | 5 kHz, 10 kHz, 15 kHz, 20 kHz, 40 kHz | 5 kHz, 10 kHz, 15 kHz, 20 kHz, 40 kHz | 5 kHz, 10 kHz, 15 kHz, 20 kHz, 40 kHz |

+| **Search Modes** | Park, Field, Beach | Park, Field, Beach | Park, Field, Beach | Park, Field, Beach, Gold |

+| **Target ID Segments** | 50 | 50 | 50 | 50 |

+| **Audio Options** | 5 Tone | 5 Tone | 5 Tone | 5 Tone |

+| **Wireless Audio** | No | Yes (Bluetooth) | Yes (Bluetooth) | Yes (Bluetooth) |

+| **Display** | LCD with Backlight | LCD with Backlight | LCD with Backlight | LCD with Backlight |

+| **Waterproof** | Yes (up to 3 meters) | Yes (up to 3 meters) | Yes (up to 3 meters) | Yes (up to 5 meters) |

+| **Weight** | 1.3 kg | 1.3 kg | 1.3 kg | 1.3 kg |

+| **Standard Coil** | 11" Double-D Smart Coil | 11" Double-D Smart Coil | 11" Double-D Smart Coil | 11" Double-D Smart Coil |

+| **Price Range** | Entry-Level | Mid-Range | High-End | Premium |

+

+### Vanquish Series

+

+| Feature | Vanquish 340 | Vanquish 440 | Vanquish 540 |

+|-------------------------|---------------------------------------|---------------------------------------|---------------------------------------|

+| **Technology** | Multi-IQ Simultaneous Multi-Frequency | Multi-IQ Simultaneous Multi-Frequency | Multi-IQ Simultaneous Multi-Frequency |

+| **Frequencies** | 5 kHz, 10 kHz, 15 kHz | 5 kHz, 10 kHz, 15 kHz, 20 kHz, 40 kHz | 5 kHz, 10 kHz, 15 kHz, 20 kHz, 40 kHz |

+| **Search Modes** | Coin, Jewellery, All Metal | Coin, Relic, Jewellery, Custom | Coin, Relic, Jewellery, Custom |

+| **Target ID Segments** | 5 | 12 | 25 |

+| **Audio Options** | 3 Tone | 3 Tone | 5 Tone |

+| **Wireless Audio** | No | No | Yes (Bluetooth) |

+| **Display** | Monochrome LCD | Monochrome LCD | Monochrome LCD with Red Backlight |

+| **Waterproof** | Coil to 1 m (3.3 ft) | Coil to 1 m (3.3 ft) | Coil to 1 m (3.3 ft) |

+| **Weight** | 1.2 kg | 1.2 kg | 1.3 kg |

+| **Standard Coil** | 10" x 7" Double-D Smart Coil | 10" x 7" Double-D Smart Coil | 12" x 9" Double-D Smart Coil |

+| **Price Range** | Budget-Friendly | Mid-Range | High-End |

+

+### Key Differences

+

+- **Frequencies:** The Equinox 700, 800, and 900 models offer higher frequency options (20 kHz and 40 kHz) compared to the 600 model, providing enhanced sensitivity to smaller targets.

+

+- **Wireless Audio:** The Equinox 700, 800, and 900 models support Bluetooth wireless audio, offering a more convenient listening experience.

+

+- **Display:** The Vanquish 540 features a backlit display, enhancing visibility in low-light conditions.

+

+- **Target ID Segments:** The Vanquish 540 offers 25 target ID segments, providing more detailed target identification compared to the 340 and 440 models.

+

+- **Weight:** The Vanquish 540 is slightly heavier than the 340 and 440 models, which may affect user comfort during extended use.

+

+- **Price Range:** The Equinox series is positioned as a premium line with advanced features, while the Vanquish series offers more budget-friendly options without compromising essential performance.

+

+### Summary

+

+The Equinox series is designed for users seeking advanced features and higher frequency options, suitable for a variety of detecting scenarios. The Vanquish series caters to those looking for a cost-effective solution with essential features, making it ideal for beginners or casual hobbyists.

+

+*Note: Specifications are based on available information as of February 2025. For the most current details, please refer to Minelab's official website or authorized dealers.*

+

+

+

+

+## Vanquish 440

+

+https://item.taobao.com/item.htm?id=760905217429&pisk=fHnBrzGJC6fBuFzduYpaGU_Ct4Z7AXt2RTw-nYIFekELwTGteJeL98eO6-ecpzFy-baSaf4-YkkE19msGgSeteDRVurJgI-20vDUqudV9DCFF62Yd7KPvyIT-pHyJI-20ATLKuk9gDyeyCabUueLyJU9C8wAvuUL2Pp_e85LwWh-BeeMGw5pNxR1jG7Q-OFuT9Ayacw9tSHINR2tfu43MPFc2Vo_dyNxpDJfj22tbca47TJ4Xx0Z9RZXVGEQlDmbWDdGVPc76ziKQI_0MVhUXD3fegH_A54uQXfB1SnnBmqT7npjBccEKcMPe3eZg5HnvutvnkZL9lsP_iPj3l75Crj7CSJ6CaboQ7xj4_FmVFaLIJawCd1KryegCSJ6CabuJR2QBd9194f..&spm=a1z10.1-c-s.w4004-25368127959.20.344244edYkoVXv&skuId=5246618437844

+

+3400

+

+

+## Vanquish 340 VS X-terra Pro

+

+| Feature | Minelab Vanquish 340 | Minelab X-Terra Pro |

+| ---------------------- | --------------------------------------- | ------------------------------------------------------- |

+| **Technology** | Multi-IQ (Simultaneous Multi-Frequency) | Selectable Single Frequencies |

+| **Waterproofing** | Limited (Control box not waterproof) | Fully waterproof up to 16 feet (5 meters) |

+| **Ground Balance** | Preset | Adjustable |

+| **User Interface** | Simplified, beginner-friendly | Advanced, more customizable |

+| **Coil Compatibility** | Standard coil, limited upgrades | Compatible with various coils, including Equinox series |

+| **Price** | Lower, budget-friendly | Higher, more versatile features |

+| **Best For** | Beginners, general detecting | Diverse environments, including underwater |

+

+

+## Key Advantages of Multi-IQ Technology

+

+Better Target Identification

+

+Multi-IQ helps differentiate between valuable targets (like coins or jewelry) and junk (like bottle caps or nails) more accurately.

+This reduces unnecessary digging and increases productivity.

+

+Versatility Across Different Terrains

+

+Works well on mineralized soils, beaches, and wet sand, where single-frequency detectors often struggle.

+Multi-IQ balances saltwater interference and mineralization, making it ideal for coastal environments.

+

+Enhanced Depth Detection

+

+Multi-frequency operation improves the ability to detect deeper targets compared to single-frequency detectors.

+

+Improved Performance on Small Targets

+

+Handles both high and low conductive targets (e.g., tiny gold nuggets or large silver coins) with efficiency.

+

+Adaptability

+

+Whether you’re hunting in parks, fields, forests, or underwater, Multi-IQ can handle a wide range of conditions.

+Suitable for a variety of detecting activities: coin shooting, relic hunting, beach detecting, and even gold prospecting.

+

+

+

+## detecting depth

+

+# Approximate Detection Depths for Minelab Equinox & Vanquish Models

+

+| Model | Approximate Coin Detection Depth | Approximate Depth in cm | Notes |

+|---------------|----------------------------------|-------------------------|-----------------------------------------------------------|

+| Equinox 900 | ~12 inches | ~30 cm | Top‐of‐the‐line performance; excels in mineralized soils |

+| Equinox 700 | ~10–11 inches | ~25–28 cm | Slightly less deep than the 900 but very capable |

+| Equinox 800 | ~9–10 inches | ~23–25 cm | Good balance of performance and features |

+| Equinox 600 | ~8–9 inches | ~20–23 cm | Entry-level model with solid detection depth |

+| Vanquish 440 | ~7–8 inches | ~18–20 cm | Beginner-friendly; uses AA batteries; lower overall depth |

+| Vanquish 340 | ~6–7 inches | ~15–18 cm | Most affordable; simplified features result in shallower detection |

+

+> **Note:** These values are approximations based on typical field reports and may vary greatly depending on factors such as target size, ground conditions, coil size, and detector settings. Always test under your own conditions to gauge actual performance.

+

+

+# gold-silver-recylye-machines.md

+

+# **Machines That Can Process Gold and Silver**

+

+Gold and silver recovery requires specialized equipment to efficiently extract, refine, and separate these valuable metals. Below is a detailed list of machines capable of processing gold and silver, along with their features and functions.

+

+---

+

+## **1. Induction Furnace**

+- **Function**: Melts gold, silver, and other metals using electromagnetic induction.

+- **Advantages**:

+ - Efficient and fast heating.

+ - Precise temperature control for melting specific metals.

+ - Suitable for smelting gold, silver, copper, and alloys.

+- **Applications**: Jewelry making, metal recycling, and refining.

+

+---

+

+## **2. Electrostatic Separator**

+- **Function**: Separates conductive (e.g., gold, silver) from non-conductive materials.

+- **Advantages**:

+ - Efficient for recycling electronic waste and separating mixed materials.

+ - Non-invasive and preserves material purity.

+- **Applications**: E-waste recycling and mixed metal recovery.

+

+---

+

+## **3. Shaking Table**

+- **Function**: Uses gravity to separate gold and silver particles based on their density.

+- **Advantages**:

+ - High recovery rates for gold and silver particles.

+ - No chemicals required.

+- **Applications**: Gold mining, silver mining, and small-scale metal recovery.

+

+---

+

+## **4. Ball Mill**

+- **Function**: Crushes and grinds ores containing gold or silver into fine powder.

+- **Advantages**:

+ - Prepares material for further separation or refining processes.

+ - Effective for gold ore and silver ore.

+- **Applications**: Ore processing and mining operations.

+

+---

+

+## **5. Centrifugal Concentrator**

+- **Function**: Separates gold and silver from other materials using centrifugal force.

+- **Advantages**:

+ - High efficiency in recovering fine gold and silver particles.

+ - Compact and energy-efficient.

+- **Applications**: Gold panning and metal recovery.

+

+---

+

+## **6. Gold and Silver Refining System**

+- **Function**: Purifies gold and silver to high levels of purity (up to 99.99%).

+- **Types**:

+ - **Aqua Regia System**: Uses a chemical solution to dissolve and refine gold and silver.

+ - **Electrolytic Refining System**: Uses electrolysis to refine metals.

+- **Advantages**:

+ - Produces extremely pure gold and silver.

+ - Ideal for processing scrap jewelry and industrial metals.

+- **Applications**: Precious metal refining and recycling.

+

+---

+

+## **7. Metal Detector and Sorting Machine**

+- **Function**: Detects and separates gold and silver from other materials.

+- **Advantages**:

+ - Identifies metals quickly and accurately.

+ - Suitable for both industrial and small-scale operations.

+- **Applications**: Treasure hunting, mining, and recycling.

+

+---

+

+## **8. Static and Rotary Kilns**

+- **Function**: Used for roasting ores and refining gold and silver.

+- **Advantages**:

+ - High-temperature capability for refining and smelting.

+ - Effective for processing mixed ores.

+- **Applications**: Metallurgy and mineral processing.

+

+---

+

+## **9. X-Ray Fluorescence (XRF) Analyzer**

+- **Function**: Analyzes the composition of metals in ores or refined materials.

+- **Advantages**:

+ - Non-destructive testing.

+ - Quickly identifies gold and silver content.

+- **Applications**: Metal sorting, refining, and quality control.

+

+---

+

+## **10. Gold and Silver Recovery System**

+- **Function**: Extracts gold and silver from electronic waste, scrap, and ores.

+- **Types**:

+ - **Cyanidation Tanks**: Dissolve gold and silver using cyanide solutions.

+ - **Heap Leaching Systems**: Extracts gold and silver from low-grade ores.

+- **Advantages**:

+ - High recovery rates.

+ - Scalable for industrial use.

+- **Applications**: E-waste processing, ore mining, and recycling.

+

+---

+

+## **11. Smelting Equipment with Multi-Metal Capabilities**

+- **Function**: Smelts multiple types of metals, including gold and silver.

+- **Features**:

+ - Temperature control for processing metals with different melting points.

+ - Can handle mixtures of precious and base metals.

+- **Applications**: Precious metal refining and alloy production.

+

+---

+

+## **12. E-Waste Recycling Machines**

+- **Function**: Processes electronic waste to recover gold, silver, and other valuable metals.

+- **Advantages**:

+ - Combines shredding, sorting, and metal recovery in one system.

+ - Recovers metals from circuit boards, chips, and connectors.

+- **Applications**: Industrial recycling and environmental recovery.

+

+---

+

+## **Summary**

+- **For Smelting**: Use induction furnaces, rotary kilns, or multi-metal smelting equipment.

+- **For Separation**: Use electrostatic separators, shaking tables, or centrifugal concentrators.

+- **For Refining**: Use aqua regia systems, electrolytic refiners, or dedicated gold and silver refining systems.

+- **For Analysis**: Use XRF analyzers to ensure purity and composition.

+

+# metal-recycle-machines.md

+

+

+

+---

+

+## 1. Electrostatic Metal Separation

+- **Principle**: Utilizes differences in electrical conductivity to separate conductive metals from non-conductive materials under an electric field.

+- **Applications**:

+ - Recycling of waste cables and electronic waste.

+ - Separation of plastics and metals.

+- **Advantages**:

+ - High efficiency for separating fine materials.

+ - Effective for non-ferrous and mixed materials.

+- **Limitations**:

+ - Requires materials to be dry and finely processed.

+

+---

+

+## 2. Magnetic Separation

+- **Principle**: Leverages magnetic force to extract ferromagnetic metals like iron and steel from mixtures.

+- **Applications**:

+ - Steel recycling.

+ - Separation of ferrous components from electronic waste.

+- **Advantages**:

+ - Simple and efficient.

+ - Suitable for high-volume processing.

+- **Limitations**:

+ - Only works with ferromagnetic metals.

+

+

+

+

+## 3. Eddy Current Separation

+- **Principle**: Uses eddy currents induced by a magnetic field to separate non-ferrous metals (e.g., aluminum, copper) from other materials.

+- **Applications**:

+ - Recycling aluminum, copper, and zinc.

+ - Commonly used in e-waste and appliance recycling.

+- **Advantages**:

+ - Effective for non-ferrous metals.

+- **Limitations**:

+ - Less effective for small or thin metal particles.

+

+---

+

+

+

+

+

+## 4. Dense Media Separation

+- **Principle**: Relies on density differences, using a heavy medium (e.g., water mixed with barite) to separate materials.

+- **Applications**:

+ - Ore processing.

+ - Metal recovery from electronic waste.

+- **Advantages**:

+ - High precision, ideal for fine particles.

+- **Limitations**:

+ - High energy consumption and complex equipment.

+

+---

+

+## 5. Wet Separation

+- **Principle**: Separates materials by their density and solubility differences in a liquid medium.

+- **Applications**:

+ - Recycling metals from waste circuit boards and cables.

+ - Extracting rare and precious metals.

+- **Advantages**:

+ - Precise separation of multiple metals.

+- **Limitations**:

+ - Expensive chemicals and potential environmental impact.

+

+---

+

+## 6. Airflow Separation

+- **Principle**: Utilizes air velocity and density differences to separate lightweight materials from heavier metals.

+- **Applications**:

+ - Separating metals from plastics.

+- **Advantages**:

+ - Contact-free method for lightweight debris.

+- **Limitations**:

+ - Less effective for lightweight metals like aluminum.

+

+---

+

+## 7. Froth Flotation

+- **Principle**: Differentiates materials based on their hydrophobicity or hydrophilicity in a liquid containing surfactants.

+- **Applications**:

+ - Separating metals from resin in circuit boards.

+- **Advantages**:

+ - Effective for separating fine particles.

+- **Limitations**:

+ - Requires chemical treatments and has environmental concerns.

+

+---

+

+## 8. Mechanical Crushing and Screening

+- **Principle**: Materials are crushed into smaller particles, then separated by size using vibratory or screening equipment.

+- **Applications**:

+ - Preliminary processing of appliances and e-waste.

+- **Advantages**:

+ - Widely used and mature technology.

+- **Limitations**:

+ - Limited to rough separation.

+

+---

+

+## 9. Infrared/Laser Sorting

+- **Principle**: Differentiates materials by analyzing their spectral characteristics using infrared or laser technology.

+- **Applications**:

+ - Separating metal impurities from plastics.

+- **Advantages**:

+ - High precision and non-contact.

+- **Limitations**:

+ - High cost and requires clean input materials.

+

+---

+

+## 10. Chemical Separation

+- **Principle**: Uses chemical reagents to selectively dissolve specific metals or non-metals for separation.

+- **Applications**:

+ - Recovery of rare and precious metals (e.g., gold, palladium).

+ - Metal extraction from waste batteries.

+- **Advantages**:

+ - Effective for high-value metals.

+- **Limitations**:

+ - Complex chemical handling and waste treatment.

+

+---

+

+## Combining Techniques

+These methods are often used in combination. For example:

+1. **Mechanical crushing** is used as a preliminary step.

+2. Followed by **magnetic separation**, **eddy current separation**, or **electrostatic separation** for fine classification and recovery.

+

+---

+

+# recycle

+

+

+# seperate-metals.md

+

+# **How to Distinguish Metals After Smelting**

+

+After smelting, metals can be distinguished using various methods based on their **physical**, **chemical**, and **mechanical properties**. Below is a detailed explanation of the steps and methods to identify different metals:

+

+---

+

+## **1. Distinguishing Based on Physical Properties**

+

+### **a) Melting Point**

+Each metal has a unique melting point. By gradually heating and observing the temperature at which the metal melts, you can distinguish them. For example:

+- **Gold (Au)**: Melting point ~1064°C

+- **Silver (Ag)**: Melting point ~961°C

+- **Aluminum (Al)**: Melting point ~660°C

+- **Copper (Cu)**: Melting point ~1085°C

+

+> For mixtures, metals can be separated by gradually heating to specific temperatures and melting one metal at a time.

+

+---

+

+### **b) Density**

+Density differences are significant among metals. You can measure density to identify metals:

+- **Gold (Au)**: 19.3 g/cm³ (very high density)

+- **Silver (Ag)**: 10.5 g/cm³

+- **Copper (Cu)**: 8.96 g/cm³

+- **Aluminum (Al)**: 2.7 g/cm³ (low density)

+

+**Steps**:

+1. Measure the mass using an electronic balance.

+2. Submerge the metal in a graduated cylinder to measure water displacement (volume).

+3. Calculate density using the formula: **Density = Mass / Volume**.

+

+---

+

+### **c) Hardness**

+The hardness of metals can be tested using the Mohs hardness scale or a scratch test:

+- **Gold (Au)**: Mohs hardness ~2.5 (soft, easily scratched with a fingernail or hard object).

+- **Silver (Ag)**: Mohs hardness ~2.7–3.

+- **Copper (Cu)**: Mohs hardness ~3.

+- **Iron (Fe)**: Mohs hardness ~4–5.

+- **Aluminum (Al)**: Mohs hardness ~2–2.9.

+

+---

+

+## **2. Distinguishing Based on Chemical Properties**

+

+### **a) Acid Reaction Test**

+1. **Nitric Acid (HNO₃)**:

+ - **Silver (Ag)**: Reacts to form a white precipitate (silver chloride) when tested further.

+ - **Copper (Cu)**: Reacts to produce a blue solution (copper nitrate).

+ - **Gold (Au)**: Does not react with nitric acid but dissolves in aqua regia (a mixture of hydrochloric acid and nitric acid in a 3:1 ratio).

+

+2. **Hydrochloric Acid (HCl)**:

+ - **Aluminum (Al)**: Produces bubbles (hydrogen gas).

+ - **Iron (Fe)**: Reacts slowly, producing hydrogen gas.

+ - **Gold (Au), Silver (Ag)**: Do not react with hydrochloric acid alone.

+

+### **b) Sulfide Test**

+- **Silver (Ag)**: Turns black when exposed to sulfur (e.g., hydrogen sulfide gas), forming silver sulfide (Ag₂S).

+- **Copper (Cu)**: Turns green when exposed to sulfides, forming a patina (copper sulfide).

+

+---

+

+## **3. Distinguishing Based on Appearance**

+- **Gold (Au)**: Yellow, shiny, and resistant to tarnishing.

+- **Silver (Ag)**: White, highly reflective, slightly tarnishes to black when oxidized.

+- **Copper (Cu)**: Reddish-brown, forms green copper oxide over time.

+- **Aluminum (Al)**: Silver-white, retains its color due to a stable oxide layer.

+

+---

+

+## **4. Using Spectroscopic Analysis**

+Spectroscopic analysis provides the most accurate method to identify metals' composition and purity.

+

+### **Common Equipment**:

+1. **X-Ray Fluorescence (XRF)**:

+ - Non-destructive, quick identification of metal type and composition.

+ - Commonly used for precious metals like gold and silver.

+

+2. **Spark Emission Spectroscopy**:

+ - Analyzes the light spectrum emitted by metal sparks to identify alloys.

+

+3. **ICP-MS (Inductively Coupled Plasma Mass Spectrometry)**:

+ - Ultra-high precision for detecting trace elements.

+

+---

+

+## **5. Magnetic Properties**

+- **Magnetic Metals**:

+ - **Iron (Fe)** and **Nickel (Ni)**: Strongly attracted to magnets.

+- **Non-Magnetic Metals**:

+ - **Gold (Au), Silver (Ag), Copper (Cu), Aluminum (Al)**: Not attracted to magnets.

+

+---

+

+## **6. Electrical Conductivity**

+Different metals have distinct electrical conductivities. You can measure conductivity to differentiate metals:

+- **Silver (Ag)**: Highest electrical conductivity.

+- **Copper (Cu)**: Slightly less conductive than silver but still very high.

+- **Gold (Au)**: Lower conductivity than silver and copper but more corrosion-resistant.

+- **Aluminum (Al)**: Lower conductivity than copper and silver but lightweight.

+

+---

+

+## **7. Industrial Separation Techniques**

+For large-scale mixed metal recovery, industrial equipment can automatically distinguish metals:

+- **Electrostatic Separators**: Separate conductive metals (e.g., gold, silver, copper) from non-conductive materials (e.g., plastics, ceramics).

+- **Gravity Separators**: Separate metals based on density differences.

+

+---

+

+## **8. Layer Separation After Melting**

+When melting metal mixtures, metals with different densities form layers:

+- **Gold (Au)**: Sinks to the bottom due to its high density (19.3 g/cm³).

+- **Silver (Ag)**: Settles above gold.

+- **Copper (Cu)** and **Aluminum (Al)**: Form layers higher up due to lower densities.

+

+---

+

+## **Summary**

+- **Simple Methods**: Color, magnetic properties, density, and hardness.

+- **Accurate Methods**: Spectroscopic analysis, chemical reactions, and conductivity testing.

+- **Industrial Methods**: Electrostatic and gravity separators, or layer separation during melting.

+

+

+# remote-work.md

+

+- Fiverr

+- Upwork

+

+

+# startup

+

+- indiegogo

+- kickstart

+

+

+# metal-detecting

+

+## Important Features

+

+When selecting a metal detector for treasure hunting, it's essential to consider several key factors that influence performance and suitability for various environments:

+

+1. Operating Frequency:

+

+- Low Frequencies (e.g., 5 kHz): Better for detecting larger, more conductive targets like coins.

+- High Frequencies (e.g., 15 kHz and above): More sensitive to smaller targets like gold nuggets.

+- Multi-Frequency Detectors: Operate on multiple frequencies simultaneously, offering versatility across different target types and ground conditions.

+

+2. Search Coil Size and Type:

+

+- Larger Coils: Cover more ground and detect deeper targets but may be less sensitive to small objects.

+- Smaller Coils: Offer better sensitivity to small targets and improved performance in trashy areas.

+- Double-D Coils: Provide better ground coverage and mineralization handling.

+

+3. Weight and Ergonomics:

+

+Lighter detectors are more comfortable for extended use, reducing user fatigue.

+

+4. Waterproofing:

+

+Fully waterproof detectors are suitable for underwater detecting, while those with only waterproof coils are limited to shallow water or wet conditions.

+

+5. Additional Features:

+

+Advanced features like wireless audio, customizable search modes, adjustable recovery speeds, and ground balance enhance the detecting experience and adaptability to various environments.

+

+

+

+

+## Searcher

+

+### General List

+

+#### Minelab Equinox 800

+

+A versatile multi-frequency detector with waterproof capabilities up to 10 ft (3 m). It offers multiple search modes, wireless audio, and fast recovery speed, making it suitable for various terrains and target types.

+

+

+#### XP Deus 2

+

+A lightweight, fully wireless, multi-frequency detector operating between 4-45 kHz. It's waterproof up to 66 ft (20 m) and features fast recovery speed, multiple search modes, and customizable audio settings, ideal for both land and underwater treasure hunting.

+

+#### Garrett AT Pro

+A rugged, waterproof detector up to 10 ft (3 m) with a 15 kHz operating frequency. It's known for its versatility on land and in water, excellent battery life, and durable build quality, making it a reliable choice for beginners and experienced hunters alike.

+

+#### Nokta Legend

+

+A simultaneous multi-frequency detector with an 11-inch DD coil, waterproof up to 10 ft (3 m). It offers multiple search modes, adjustable recovery speed, built-in Bluetooth module, and vibration mode, providing adaptability for various treasure hunting scenarios.

+

+

+#### Minelab Manticore

+

+Featuring Enhanced Multi-IQ+ technology and waterproof up to 16 ft (5 m), this detector offers high-resolution target ID, advanced discrimination, wireless audio, and customizable search profiles, suitable for serious treasure hunters seeking advanced features.

+

+

+

+

+

+### reddit recommanded:

+

+| **Category** | **Price Range** | **Brand** | **Device Name** |

+|-------------------------|------------------|-------------|------------------------------------------------------------------------------------------------------------------------------------|

+| **General Detectors** | $0 - $200 | Minelab | Go-Find |

+| | $0 - $200 | Nokta | First Swing |

+| | $0 - $200 | Quest | Quest Machines |

+| | $200 - $400 | Minelab | [Vanquish 340](https://www.minelab.com/metal-detectors/vanquish-340) |

+| | $200 - $400 | Minelab | [Vanquish 440](https://www.minelab.com/metal-detectors/vanquish-440) |

+| | $200 - $400 | Minelab | X-Terra Pro |

+| | $200 - $400 | Nokta | Simplex Line |

+| | $400 - $500 | Minelab | [Vanquish 540](https://www.minelab.com/metal-detectors/vanquish-540) |

+| | $400 - $500 | Nokta | Score |

+| | $400 - $500 | Nokta | Double Score |

+| | $500 - $1,200 | Minelab | [Equinox Series](https://www.minelab.com/metal-detectors/equinox) |

+| | $500 - $1,200 | Nokta | Legend |

+| | $1,200+ | Minelab | [Manticore](https://www.minelab.com/metal-detectors/manticore) |

+| | $1,200+ | XP | [Deus 2](https://www.xpmetaldetectors.com/metal-detector/deus-ii) |

+| **Scuba/Snorkeling** | - | Nokta | [PulseDive](https://www.noktadetectors.com/metal-detector/pulsedive-scuba-detector/) |

+| | - | Minelab | [Excalibur 2](https://www.minelab.com/metal-detectors/excalibur-ii) |

+| | - | XP | Deus 2 |

+| **Children's Detectors**| - | Nokta | Mini Hoard |

+| | - | Nokta | Midi Hoard |

+| **Pinpointers** | - | Garrett | AT Pro Pointer |

+| | - | Nokta | AccuPoint |

+| | - | XP | MI-4 |

+| | - | XP | MI-6 |

+| **Shovels and Trowels** | - | Dune | Dune |

+| | - | Grave Digger| Grave Digger |

+| | - | King of Spades | King of Spades |

+| | - | Lesche | Lesche |

+| | - | Motley | Motley |

+| | - | Predator Tools | Predator Tools |

+| **Sand Scoops** | - | Dune | Dune |

+| | - | King of Spades | King of Spades |

+| | - | Motley | Motley |

+| | - | RTG | RTG |

+| | - | Sito | Sito |

+| | - | Detecting Adventures | Detecting Adventures |

+

+

+## Find a spot

+

+Tips for a Successful Treasure Hunt:

+

+Research: Study the history of your chosen location to increase the chances of finding valuable items.

+

+

+### online maps

+

+- US - https://www.historicaerials.com/

+

+

+

+## sound

+

+

+

+# payment

+

+

+## WeChat rewards

+

+Ko-fi Rewards Paypal does not support payments from China to China. If your website is mainly for Chinese people, you can use the WeChat Reward Code. It is interoperable with international WeChat rewards and is free of charge.

+

+## Lemon Squeezy

+

+Lemon Squeezy, a global payment platform

+- The application process is simple, individuals can apply, no company qualifications are required

+- Provides multiple payment methods such as WeChat, Alipay, Visa/Master credit cards, PayPal, etc., covering more than 130 countries

+- Provides very useful functions such as Affiliate marketing tools, discount code system and payment failure recovery mechanism

+For detailed introduction, you can read the information I compiled.

+https://t.co/bg8KKIq5ao

+

+# stripe

+

+How to open Stripe through CMB Hong Kong Card

+

+[❤️Strategy sharing]

+I finished the registration and activation of Stripe in the evening. The process is as follows:

+

+1. Select Hong Kong Individual as the type;

+

+2. Fill in the domestic mobile phone number with +86 for the mobile phone number;

+

+3. Fill in the number on the passport for the Hong Kong ID card number;

+

+4. Select CHINA MERCHANTS BANK (HONG KONG BRANCH) CHATS CODE: 238 for the bank;

+

+5. You only need to fill in the last 9 digits of the bank card number.

+

+Finally, you need to upload a passport photo through the mobile phone camera for authentication. It is currently shown as active. Friends who have opened Stripe with Hong Kong Card can share if there are any other pitfalls.

+

+