• Detail

    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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