Ammonium Chloride, 2.5kg For sale

In the process of recovering platinum metal (Pt) from catalytic converters, ammonium chloride (also known as sal ammoniac) is frequently used. It is mixed with water and employed as a wash solution to precipitate waste Pt dissolved in aqua regia solution.

It is a water-soluble, crystalline, clear-white salt of ammonia.

Utilized in the following patina recipes:

No. 5 for Antique Green
Cold Process Green is ranked eighth
No. 9 for Medium Green
Blue’s number 14
Number 17 for Deep Rusty Red
18th for Violet
No 20 for Red – semi-matt (For Copper & Copper Plate)
No. 25 for Blue Green (For Bronze Casting)
Blue Green, semi-matte, No. 27 (For Cast Bronze).