Description
Brand: CDH
Packings: 500 Gram
Grade: Analytical Reagents (AR)
PARAMETER LIMIT
- Description Colourless crystals, free from white powder.
- Solubility 10% solution in water is clear and colourless.
- Identification Passes test.
- Minimum Assay( Iodometric ) 99-101%
- pH (10% soln.in water) 6.0 – 8.4
MAXIMUM LIMIT OF IMPURITIES
– Insoluble matter 0.003%
– Water (vacuum at 40-45°for 16 hrs) 32 – 37%
– Chloride (Cl) 0.02%
– Nitrogen compounds (N) 0.002%
– Sulphate (SO4) 0.03%
– Arsenic (As) 0.0002%
– Calcium (Ca) 0.002%
– Iron (Fe) 0.0005%
– Lea d (Pb) 0.0005%
– Magnesium (Mg) 0.001%
– Sulphide (S) 0.0002%
