PRODUCT SPECIFICATIONS

IPI PRODUCT SPECIFICATION

POTASSIUM SULFATE

  • Chemical formula: K2SO4
  • CAS no: 7778-80-5
  • Specification: MIL-P-193A (dated July 28 1958)
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IPI Specification No: 10022

POTASSIUM SULFATE

Properties Units Values Test Methods
Min Max
Potassium Sulfate Purity (Moisture Free Basis) (Based on Sulfate Content) % 99.0 4.4.2.1
Potassium Sulfate Purity (Moisture Free Basis) (Based on Potassium Content) % 99.0 4.4.2.2
Moisture % 1.0 4.4.1
Insoluble Matter % 0.1 4.4.3
Grit None
Acidity % 0.01 4.4.4
Alkalinity % 0.03 4.4.5
Chlorides (as Potassium Chloride) % 0.02 4.4.6
Granulation
> Pass Through US Sieve no. 50 % 100 4.4.7
> Retained on US Sieve no. 70 % 5 4.4.7

Island Pyrochemical Industries provides this product specification sheet solely for informational purposes, and reserves the right to change product specifications without prior notification.