配方类型:

METALS AND THEIR TREATMENT

配方说明:

Silver Coin Cleaner

配方组成:

Acetone/60 cc
Strong Solution of Ammonia/120 cc
Oleic Acid/30 cc
Dissolve the oleic acid in the strong ammonia solution and add 500
cc of water, then the acetone and enough water to make 1000 cc. To this
solution ad
Ammonium Chloride/150 g
Water to make/1000 cc

配制方法:

The articles to be cleaned are first dipped in the cleansing solution, then in benzene or naphtha, afterwards they are dried, preferably in sawdust.