Silver (Ag)

Silver has been in use since approximately 4,000 B.C.E. At times, its rarity made it more valuable than gold.

Heraeus offers silver compounds for coating of catalysts. It is applied on a very large scale to the oxidation of ethene to ethylene oxide (“EO”) with atmospheric oxygen.

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Compound CAS Number Formula Metal ­Cont. ­approx. Color
Silver(I) acetate 563-63-3 Ag(OAc) 64 % colorless
Silver(I) nitrate 7761-88-8 AgNO3 63 % colorless
Silver (I) chloride 7783-90-6 AgCl 75.20 % white
Silver (I) carbonate 534-16-7 Ag2CO3 78.20 % white
Silver (I) sulfate 10294-26-5 Ag2SO4 69.15 % white