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Molecular formula : MW : CAS :
nature : NH4HS colorless irregular, needle-like crystals or flake. The 120 ° C sublimation. The air oxidation. Soluble in water, soluble in ethanol. Solution colorless. Because of the air generated more quickly and sulfide discolored. Reaction was alkaline solution. Often in merchandise containing ammonium sulfide. By using anhydrous ammonia saturated ethanol, cooled to 0 ° C, leading to the drying system in which hydrogen sulfide.
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