Potassium Sulfate

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Other name: 

Potassium Sulfate
Potassium sulfate
arcanumduplicatum
Glazier's salt
salpolychrestum
Kalii sulfas
Kaliumsulfat
Salt of leMery
kaliumsulphuricum

 

CAS No.: 7778-80-5

Molecular Formula: 

K2SO4

Molecular Weight: 174.25
 

Characters: colorless crystal or white crystalline powder, it is heavy and hard, bitter and salty, slightly soluble in water and glycerol, insoluble in ethanol.
 

Specifications:

Potassium Sulfate A.R.  C.P. Glucosamine  grade Glucosamine with low sodium
Assay(K2SO4)% ≥99.0 ≥98.5 ≥99.0 ≥99.0
Water Insoluble ≤0.005 ≤0.01 ≤0.005 ≤0.005
Arsenic (As)% ≤0.0001 ≤0.0005 ≤0.0002 ≤0.0001
PH(50g/L,25℃) 5.0-8.0 5.0-8.0 5.0-8.0 5.0-8.0
Chlorides(Cl), % ≤0.0005 ≤0.001     ≤0.02     ≤0.005  
Total nitrogen(N) % ≤0.0005 ≤0.001 ≤0.0005 ≤0.0005
Calcium (Ca) % ≤0.01 ≤0.02 ≤0.01 ≤0.01
Heavy metal(as Pb) % ≤0.0005 ≤0.001     ≤0.0005   ≤0.0005  
Iron (Fe)% ≤0.0002 ≤0.0005 ≤0.0002    ≤0.0002   
Sodium (Na)% ≤0.03 ≤0.1 ≤0.005
Fineness(40-80 meshes sieve) Pass Pass

Potassium Sulfate Military grade Gunpowder grade Feed grade Technical grade
Assay(K2SO4)% ≥99.0 ≥99.0 ≥98.5 ≥98.5
Water Insoluble% ≤0.01 ≤0.02
Arsenic (As)% ≤0.0002 ≤0.001 ≤0.001
PH(50g/L,25℃) 6.0-8.0 6.0-8.0
Chlorides(Cl), % ≤0.001 ≤0.002
Nitrogen(N)%
Calcium (Ca)% ≤0.02 ≤0.03
Heavy metal(as Pb) % ≤0.001 ≤0.001 ≤0.002 ≤0.002
Iron (Fe)% ≤0.0005 ≤0.001
Sodium (Na)% ≤0.1
Magnesium (Mg)% ≤0.005 ≤0.01
Fineness(120 meshes sieve) ≤5 40 meshes sieving rate≥95

Product Usage: Used as medicine (laxative), fertilizer(potash content: 50 %); also used in the making of alum, glass and potassium carbonate etc.

Packaging: In 25Kg/woven bag, lined with double-layer plastic bag

Storage Precautions: Stored in a cool, ventilated and dry place at room temperature.

Potassium Sulfate


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