Edta Tetra Sodium Tetrahydrate

Edta Tetra Sodium Tetrahydrate
Synonym Ethylene Diamine Tetra Acetic Acid Tetra Sodium Salt Tetrahydrate
CAS No. 13235 - 36 - 4 Grade : AR
Mol. Wt. 452.23 g/mol Mol Formula : C10H12N2Na4O8.4H2O
Appearance Colorless Crystals
Identity Passes Test
Melting Point >3000C
Test Solution(10 %W/V),Water: Clear and Colorless Solution
PARAMETERS AR
Assay NLT 99.00%
PH (5% Aqueous Solution) at 25 0 10.00 - 11.50
MAXIMUN LIMITS OF IMPURITIES
Chloride (Cl) 0.03%
Sulphate (SO4) 0.005%
Calcium (Ca) 0.002%
Copper (Cu) 0.0005%
Heavy Metals (as Pb) 0.0005%
Iron (Fe) 0.001%
Magnesium (Mg) 0.002%
Nitriloacetic Acid [(HOCOCH2)2N] 0.05%
Potassium (K) 0.005%
Edta Tetra Sodium Tetrahydrate
Synonym Ethylene Diamine Tetra Acetic Acid Tetra Sodium Salt Tetrahydrate
CAS No. 13235 - 36 - 4 Grade : LR
Mol. Wt. 452.23 g/mol Mol Formula : C10H12N2Na4O8.4H2O
Appearance Colorless Crystals
Identity Passes Test
Melting Point >3000C
Test Solution(10 %W/V),Water: Clear and Colorless Solution
PARAMETERS LR
Assay NLT 98.50%
PH (5% Aqueous Solution) at 25 0 10.00 - 11.50
MAXIMUN LIMITS OF IMPURITIES
Chloride (Cl) 0.04%
Sulphate (SO4) 0.04%
Heavy Metals (as Pb) 0.002%
Iron (Fe) 0.002%