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配方類型：	METALS AND THEIR TREATMENT
配方說明：	Silver Coin Cleaner
配方組成：	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.

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