Gold Silver Platinum test stone Black Stone for Acid Scratch Test three sizes

Small, flat and extremely fine stone for authentication of precious metals such as gold, silver and platinum in jewellery by acid test or acid scratch test. Due to the uniform dark colour, even the smallest traces of material can be detected. The required chemicals are not included in the scope of delivery. .

Product Location: DE > Hamburg

The best discounted price for this product is 19.37 EUR