Hydrogen tetrachloroaurate hydrate27988-77-840 % similar Nickel sulfate hexahydrate10101-97-033 % similar Nickel sulfate heptahydrate10101-98-133 % similar Nickel hypophosphite (Ni(H2PO2)2) hexahydrate13477-97-933 % similar Nickel nitrate hexahydrate13478-00-733 % similar Aurate(1-), tetrachloro-, ammonium, hydrate, (SP-4-1)-13874-04-933 % similar Nickel sulfate hydrate15244-37-833 % similar Nickel(II) oxalate dihydrate6018-94-633 % similar Tetraethylammonium chloride monohydrate68696-18-433 % similar Water7732-18-533 % similar