Chemical formula: (NH4)2SO4
Synonyms: sulphate of ammonium.
Amount: 200 g
Appearance and odour: white crystalline powder, without appreciable odour
Grade: chemically pure - Lab grade
Packaging: professional wide necked, white HDPE bottle with blue conical seal cap and tamper ring. Labelled. Bottle and cap are UN approved and reusable.
Description and uses: high grade general purpose ammonium salt. Highly soluble in water, even more so in hot water. Aqueous solutions are slightly acidic due to ammonium ions.
Large variety of uses, such as the laboratory scale generation of ammonia gas, by dry distillation with a strong alkali.
Added to concentrated sulphuric acid it forms ammonium bisulphate (NH4HSO4) which can be used instead of sodium or potassium bisulphate for the fusion of calcined oxides, ores, oxidic minerals and such like.
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