Description
Brand : CDH
Packings : 500 Gram
Grade : AR /ACS Reagents
PARAMETER LIMIT
- Description Bluish green crystals or light green crystalline powder.
- Solubility 10% solution in a mixture of freshly boiled, cooled water and dilute sulphuric acid is clear and bright.
- Identification Passes test.
- Minimum Assay (Redox Titration) 99.5%
- pH of (5% soln in water) 3 – 4
MAXIMUM LIMIT OF IMPURITIES
– Chloride (Cl) 0.0005%
– Nitrogen compound (N) 0.001%
– Arsenic (As) 0.0002%
– Copper (Cu) 0.001%
– Ferric ion (Fe3+) 0.02%
– Lead (Pb) 0.0005%
– Manganese (Mn) 0.05%
– Mercury (Hg) 0.0002%
– Zinc (Zn) 0.005%
– Organic volatile impurities Excluded by Production process.
– Nickel (Ni) 0.005%
– Phosphate (PO4) 0.001%
– Calcium (Ca) 0.005%
– Chromium (Cr) 0.005%
– Potassium (K) 0.002%
– Magnesium (Mg) 0.008%
– Sodium (Na) 0.02%
– Substances not precipitated by ammonia 0.1%
