Description
Brand : CDH
Packings : 500 Gram
Grade : AR /ACS Reagents
PARAMETER LIMIT
- Description Colourless efflorescent crystals or white crystalline powder
- Solubility 10% solution in water is clear and colourless.
- Identification Passes test.
- Minimum Assay (Complexometric; Cal.on dried substance) 99.5 – 103.0%
- pH (5% soln. in water) 5.0 – 8.2
MAXIMUM LIMIT OF IMPURITIES
– Loss on drying(at 110 for 1 hr,then ignite at 400°C) 48 – 52%
– Insoluble matter 0.003%
– Acidity (H2SO4) 0.0025%
– Alkalinity (MgO) 0.004%
– Ammonium (NH4) 0.002%
– Chloride (Cl) 0.0005%
– Nitrate (NO3) 0.001%
– Phosphate (PO4) 0.001%
– Arsenic (As) 0.00004%
– Calcium (Ca) 0.005%
– Copper (Cu) 0.0002%
– Iron (Fe) 0.0005%
– Heavy metals (as Pb) 0.001%
– Manganese (Mn) 0.0005%
– Potassium 0.005%
– Selenium 0.003%
– Sodium 0.005%
– Strontium 0.005%
– Zinc (Zn) 0.0005%
– Organic volatile impurities Meets the requirement
