Beginner Gold Refining Kit | Complete Aqua Regia Gold Recovery System

Comprehensive Guide to the Gold Precipitation Kit

Gold Precipitation & Testing Kit – SMB Gold Precipitant + Urea + Stannous Chloride

Complete the final stages of the gold refining process with this Gold Precipitation & Testing Kit. This bundle includes the essential chemicals used to neutralize excess nitric acid, verify dissolved gold in solution, and precipitate gold from aqua regia.

Designed for refiners working with scrap gold, jewelry, electronics, and e-waste, this kit provides the core chemicals used during the gold recovery stage.

What’s Included

1 lb Sodium Metabisulfite (SMB) – GTE Gold Precipitant

Sodium Metabisulfite is commonly used to precipitate dissolved gold from aqua regia and gold chloride solutions. When mixed with water, it releases sulfur dioxide which selectively causes gold to fall out of solution as fine gold powder.

1 lb JSP Urea - Nitric Neutralizer

Urea is used to neutralize excess nitric remaining in aqua regia before precipitation. Proper neutralization helps ensure efficient gold recovery when SMB is added.

Stannous Chloride JSP Gold Testing Solution

Stannous chloride is used to test refining solutions for dissolved gold. A small drop placed on a testing surface will react with the solution to confirm the presence of gold before precipitation.

How the Process Works

During the aqua regia refining process:

Scrap gold is dissolved into solution.

Stannous chloride is used to confirm gold is present in the solution.

Urea neutralizes excess nitric.

Sodium Metabisulfite (SMB) is added to precipitate gold from the solution.

The gold settles as a fine powder which can then be filtered, washed, dried, and melted into refined gold.

Ideal For

• Scrap gold refining

• E-waste gold recovery

• Aqua regia refining

• Precious metal recycling

• Hobbyist and professional refiners

Additional Information

• Fresh refining solutions

What is a Gold Precipitation Kit?

The Gold Precipitation Kit is an essential tool for anyone involved in gold refining and recovery. It typically includes chemicals like sodium metabisulfite (SMB), urea, and stannous solutions, which are used to separate and precipitate gold from cyanide or other solutions. This kit simplifies the refining process, making it more efficient and reliable. By using this kit, metalworkers and hobbyists can reclaim gold with high purity, ensuring minimal loss during extraction. The kit is easy to use and ideal for refining gold in various scales, from small-scale operations to industrial use.

Key Components and Their Functions

This Gold Precipitation Kit contains sodium metabisulfite, urea, and stannous chloride, each serving a critical purpose. Sodium metabisulfite acts as the primary reducing agent, precipitating gold by converting gold ions in solution to solid metallic gold. Urea is included to neutralize any residual cyanide present after the precipitation step, ensuring safer handling and disposal of waste. Stannous chloride can further enhance the precipitation process, improving recovery rates. Together, these components provide a complete, safe, and effective method to refine gold with minimal environmental impact.

Benefits of Using the Gold Precipitation Kit

Using this Gold Precipitation Kit ensures a faster, cleaner, and more predictable gold recovery process. Its precisely formulated chemicals promote high gold yield and purity while reducing impurities and contaminants. Additionally, the kit allows for easier waste management by neutralizing toxic substances commonly found in gold refining solutions. Whether you are a professional refiner or a hobbyist, this kit offers a reliable way to recover precious metals efficiently. It saves time and effort, lowers operational risks, and supports environmentally responsible refining practices, making it a valuable addition to any gold extraction setup.