Description
Brand : CDH
Packings : 500 Gram
Grade : Analytical Reagents (AR)
PARAMETER LIMIT
- Description White/colourless needles / crystals / crystalline powder or flakes.
- Solubility 10% solution in methanol is clear and colourless.
- Identification (A,B,C,D) Passes tests.
- Minimum assay (Acidimetric) 99.5%
- Melting range 121°- 124°C
MAXIMUM LIMIT OF IMPURITIES
– Sulphated ash 0.05%
– Water 0.7%
– Substances insoluble in methanol 0.005%
– Chlorinated compounds Passes test.
– Cinnamic acid Passes test.
– Halogenated compounds (as Cl) 0.005%
– Readily carbonisable subs. Passes test.
– Readily oxidisable subs. Passes test.
– Sulphate (SO4) 0.002%
– Arsenic (As) 0.0002%
– Iron (Fe) 0.0002%
– Lead (Pb) 0.0005%