Potassium Sulfate

Potassium Sulfate ACS
CAS No. 7778 - 80 - 5 Grade : ACS
Mol. Wt. 174.26 g/mol Mol Formula : K2SO4
Appearance Colorless Crystals or White crystalline Powder
Identity K - Passes Test
So4 - Passes Test
Test Solution(10% w/v), Water Clear and Colorless Solution
PARAMETERS ACS
Assay NLT 99.00%
pH(5% Aqueous Solution) at 25 0C 5.50 - 8.50%
MAXIMUN LIMITS OF IMPURITIES
Water Insoluble Matter 0.01%
Chloride(Cl) 0.001%
Calcium (Ca) 0.01%
Heavy Metals (as Pb) 0.0005%
Iron (Fe) 0.0005%
Magnesium(Mg) 0.005%
Sodium (Na) 0.02%
Nitrogen Compound (as N) 0.0005%
Potassium Sulfate
CAS No. 7778 - 80 - 5 Grade : AR
Mol. Wt. 174.26 g/mol Mol Formula : K2SO4
Appearance Colorless Crystals or White crystalline Powder
Identity K - Passes Test
So4 - Passes Test
Test Solution(10% w/v), Water Clear and Colorless Solution
PARAMETERS AR
Assay NLT 99.50%
pH(5% Aqueous Solution) at 25 0C 6.00 - 8.00%
MAXIMUN LIMITS OF IMPURITIES
Water Insoluble Matter 0.005%
Chloride(Cl) 0.0005%
Calcium (Ca) 0.0005%
Heavy Metals (as Pb) 0.0005%
Iron (Fe) 0.0005%
Magnesium(Mg) 0.002%
Sodium (Na) 0.02%
Nitrogen Compound (as N) 0.0005%
Potassium Sulfate LR
CAS No. 7778 - 80 - 5 Grade : LR
Mol. Wt. 174.26 g/mol Mol Formula : K2SO4
Appearance Colorless Crystals or White crystalline Powder
Identity K - Passes Test
So4 - Passes Test
Test Solution(10% w/v), Water Clear and Colorless Solution
PARAMETERS LR
Assay NLT 99.00%
MAXIMUN LIMITS OF IMPURITIES
Chloride(Cl) 0.03%
Heavy Metals (as Pb) 0.003%
Iron (Fe) 0.001%
Sodium (Na) 0.02%