I am a Pharmacist and also do Browning.Many of these chemicals we either used in Rx school or shortly after in compounding, HOWEVER, many are inactive in browning solutions as Dr. Gaddy and Angiers found. I would simply use Dr. Gaddy's formula which will short circuit having to find some of these that you don't need anyhow.
Synonyms below:
Ethyl Nitrite solution(Inactive)
Mercuric Chloride
Copper Sulfate()Probably inactive)
Ferric Chloride
Tincture of Ferric Chloride
Ferrous Sulfate (Use with Logwood bath)
Sulfur(Inactive)
