How to Extract Pure Gold from Gold Chain Using Zinc & Nitric Acid | Step-by-Step Method
Автор: Nawagai jewellers
Загружено: 2026-01-10
Просмотров: 148
Описание:
In this video, I show a simple and practical method to extract pure gold from a gold chain using zinc powder and nitric acid. This technique is commonly used in gold refining to separate gold from base metals.
You will learn:
• How nitric acid dissolves base metals
• The role of zinc in gold precipitation
• How to collect gold powder safely
• Washing, drying, and melting gold into pure form
⚠️ Warning:
This process involves dangerous chemicals. Always wear safety gloves, goggles, and work in a well-ventilated area. This video is for educational purposes only.
Materials Used:
• Gold chain scrap
• Nitric acid
• Zinc powder
• Distilled water
• Beaker & heat source
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