Sodium Hydrogen Carbonate AR 500Gram

PRODUCT CODE 643545
SYNONYMS (Sodium bicarbonate)
C.I. NO. --
CASR NO. (144-55-8)
ATOMIC OR MOLECULAR FORMULA NaHCO3
ATOMIC OR MOLECULAR WEIGHT 84.01
PROPERTIES --

PARAMETER LIMIT
Description A white crystalline powder.
Solubility 5% solution in water is almost clear and colourless.
Identification Passes test.
Assay ( Acidimetric) 99.7 – 100.3%
pH (1% Aq.soln.) Not more than 8.4

MAXIMUM LIMIT OF IMPURITIES
Loss on drying (on silica gel for 4 hrs.) 0.25%
Insoluble matter 0.01 5%
Insoluble substances Passes test.
Limit of ammonia Passes test.
Ammonium (NH4) 0.0005%
Chloride (Cl) 0.003%
Nitrogen compounds (N) 0.001%
Phosphate (PO4) 0.005%
Silicate (SiO2) 0.005%
Sulphate (SO4) 0.003%
Arsenic (As) 0.0002%
Calcium (Ca) 0.005%
Copper (Cu) 0.005%
Iron (Fe) 0.001%
Heavy metsls (as Pb) 0.0005%
Magnesium (Mg) 0.005%
Substances reducing iodine 0.0065%
Normal carbonate Passes test.
Limit of sulphurcompounds 0.01 5%
Limit of organics 0.01%
Organic volatile impurities Meets the requirement