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1.HIGH QUANLITY AND BEST PRICE ! SGS ,CIQ
2.Used as medicine (laxative), fertilizer
3.making of alum, glass and potassium
Product name :Potassium Sulfate
CAS No.:7778-80-5
Formula:K2SO4
MW:174.25
Characters:colorless crystal or white crystalline powder, it is heavt 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°C) | 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 | AssayK2SO4)% | ≥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°C) | 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.
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