... white crystal,Used as fixer for takingPhotographic s,key component of silvering electrobath,. Ammonium Thiosulphate1. Chemical name:Ammonium ... Colorless transparent liquid or white crystal. Relative density of crystal: 1.679,easily soluble in water,insoluble ... fixer for takingPhotographic s,key component of silvering electrobath, shielding effect agent, casting protectant of Al-Mg alloy, bactericide ...