Potassium sulfate 7778-80-5


Product Deail


Potassium sulfate

Description】Colorless crystalline or white crystalline powder, heavy and hard. Relative density 2.662, melting point 1069℃, boiling point 1689℃. Soluble in water, insoluble in alcohol.

Test item

AR

CP

Other

Assay(K2SO4) /%

≥99.0

≥98.5

Custom

pH(50g/L,25℃)

5.0-8.0

5.0-8.0

Clarity of solution Passes test

Passes test

Water insoluble /%

≤0.005

≤0.01

Chloride(Cl) /%

≤0.000 5

≤0.001

Nitrate(NO3) /%

≤0.000 5

≤0.001

Sodium(Na) /%

≤0.03

≤0.1

Arsenic(As) /%

≤0.000 1

≤0.000 5

Calcium(Ca) /%

≤0.01

≤0.02

Iron(Fe) /%

≤0.000 2

≤0.000 5

heavy metal(as Pb) /%

≤0.000 5

≤0.001

Use】Used as an analytical reagent; Preparation of potassium salt; Optical glass; High-end fertilizer; Dye intermediates and the pharmaceutical industry.