Potassium pyrosulfate/Disulfuric acid dipotassium salt/Potassium anhydrosulfate

English Name: potassium pyrosulfate; Disulfuric acid dipotassium salt； Potassium anhydrosulfate

Other names: anhydrous potassium bisulfate; Anhydrous acid potassium sulfate

CAS No.: 7790-62-7

K2S2O7=254.32

grade: ar

Content: ≥ 98.0%

Clarity test: acceptable

Chloride: ≤ 0.001%

Water insoluble matter: ≤ 0.01%

Heavy metals (calculated by Pb): ≤ 0.0005%

Arsenic: ≤ 0.0003%

Iron: ≤ 0.001%

Physicochemical properties : colorless crystal or frit. Hygroscopic. It is easily soluble in water, and the aqueous solution is strongly acidic. The relative density is 2.28. The melting point is about 325 ℃.

Purpose: biochemical research. Acidic solvents for chemical analysis. Steel analysis is used as an inclusion agent for electrolytic metals.

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