Explanatory notes
… sodium and gaseous ammonia. White powder, plates or paste, crystalline, hygroscopic, very soluble in water and with an … give hydrates. Is presented in sealed vessels. Used in the metallurgy of gold or silver, in gold‑ or silver‑plating, in … 2 ). Hydrated, greenish plates or powder; amorphous, a yellow powder. Used in metallurgy and in electroplating. …