Sodium Hydroxide Pellets AR 500Gram CDH

PRODUCT CODE 643525
SYNONYMS Caustic soda.
C.I. NO. --
CASR NO. (1310-73-2)
NaOH
ATOMIC OR MOLECULAR FORMULA NaOH
ATOMIC OR MOLECULAR WEIGHT
40.00
PROPERTIES Absorbs water and carbon dioxide from the air .
Hygroscopic.

PARAMETER LIMIT
Description White deliquescent pellets.
Solubility 10% solution in water is clear.
Identification Passes test
Minimum Assay (Acidimetric) 98.0%
Appearance of solution 10% solution in water is clear and colourless.

MAXIMUM LIMIT OF IMPURITIES
Insoluble substances and
organic matter
Passes test.
Insoluble matter 0.025%
Carbonate (Na2CO3) 1.0%
Chloride (Cl) 0.005%
Nitrogen compound (N) 0.0005%
Phosphate (PO4) 0.001%
Silicate (SiO2) 0.01%
Sulphate (SO4) 0.005%
Calcium (Ca) 0.005%
Heavy metal ((Pb) 0.002%
Iron (Fe) 0.001%
Magnesium (Mg) 0.002%
Nickel (Ni) 0.001%
Potassium (K) 0.1%