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Potassium Sulphate

English name: Potassium Sulphate
Alias: Arcanum duplicatum; arcanumduplicatum; dipotassiumsulfate; Glazier's salt; kaliumsulphuricum; Potassium sulfate, alpha; potassiumsulfate(2:1); Potassium Sulfate
Molecular formula: K2SO4
Molecular weight: 174.24

HS CODE: 31043000
Properties: Colorless or white hexagonal or orthorhombic crystal or granular powder. Relative density is 2.662, inversion point is 588 ℃, melting point is 1069 ℃, boiling point is 1689 ℃. Soluble in water (12G/100ML water at 25 ℃, 24.1G/100ML water at 100 ℃), insoluble in alcohol, acetone and carbon disulfide.

Uses: This product can be used in producing antismoke agent in military industry, as chemical fertilizer in agricultural industry, as raw material for producing potassium salt, as intermediate in dye industry, as laxative in pharmaceutical industry, as auxiliary in perfume industry, and as general additive in food industry.
CAS NO.: 7778-80-5

Specification:  Potassium Sulphate Ind.Grade

 

Inspection Item

Unit

Unit

 

Fine Grade

 

Feed Grade

 

Industrial First Grade

 

Military Grade

Potassium sulfate (K2SO4)

%≥

99.0

98.5

98.5

99.0

Insoluble matter in water

%≤

0.3

----

0.5

0.1

Chloride(as Cl-)

%≤

0.03

----

0.05

0.003

Calcium

%≤

0.03

0.03

0.03

0.01

Heavy metal(as Pb)

%≤

0.001

0.002

0.002

0.001

Iron

%≤

0.005

0.005

0.02

0.001

PH(50g/L,25℃)

-

6.0~8.0

6.0~8.0

6.0~8.0

6.0~8.0

Size(120 mesh)

 

1 120mesh

120mesh

120mesh

120mesh

Appearance

White crystal without any impurity visible to the naked eye

 

Specification: Potassium Sulphate Agr.Grade

 

Inspection Item

Unit

Powder

Granular

Potassium oxide/Potassium Oxide

% ≧

50.0

50

Moisture

% ≦

1.0

1.0

Chlorides

% ≦

1.5

1.5

Free Acid

% ≦

1.5

1.5

Size

 

120 mesh

2-4mm

 

Packing: woven bag lined with plastic bag, net weight is 9.5/25/40/50KG.
Storage and transportation: keep in dry and well-ventilated warehouse. to protect from damp and rain.





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