Description
Brand : CDH
Packings : 500 Gram
Grade : AR /ACS Reagents
PARAMETER LIMIT
- Description A white crystalline powder or white granular crystals, or colourless crystals, slightly
deliquescent in nature. - Solubility 10% solution in water is clear and colourless.
- Identification Passes test.
- Assay (Calculated w.r.t. anhydrous sub. Nonaqueous) 99.0 – 100.5%
- pH of (5% soln. in water) 7.5 – 9.0
MAXIMUM LIMIT OF IMPURITIES
– Water (K/F) 11 – 13%
– Reducing substances Passes test.
– Insoluble matter 0.003%
– Acidity or alkalinity (as HCl or NaOH) 0.1%
– Chloride (Cl) 0.003%
– Sulphate (SO4) 0.005%
– Ammonium (NH4) 0.003%
– Arsenic (As) 0.0001%
– Copper (Cu) 0.001%
– Calcium (Ca) 0.005%
– Heavy metals (as Pb) 0.0005%
– Iron (Fe) 0.0005%
– Lead (Pb) 0.0001%
– Oxalate (C2O4) 0.01%
– Readily carbonisable substances Passes test.
– Tartrate Passes test
