1850 G. Fownes (ed. 3) 295 The artificial, or perhaps rather merely fused, product, called speiss,..may be employed as a source of the nickel-salts.
1883 2 Mar. 103/2 The experiment had been tried of feeding a dog on nickel-salts, on which the animal seemed to thrive.
1999 (Version 99.1) at Cobalt Processing The electrolyte contains both cobalt and nickel salts.