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        1. 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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