Huijinchuan Chemical 1,4-butynediol price price for food
Nickel sulfate has three kinds of anhydrate, hexahydrate and heptahydrate. The product is mainly composed of hexahydrate, and there are two variants: α-NiSO4?6H2O is a blue tetragonal crystal; β-NiSO4?6H2O is a green monoclinic crystal. The relative density is 2.07. The crystal form conversion point was 53.5 ° C, and 6 crystal waters were lost at 103 ° C. Dissolved in water, the aqueous solution is acidic. Soluble in alcohol and ammonia. poisonous!