Specification Sheet
Product Name Sodium carbonate,
puriss., meets analytical specification of Ph. Eur., BP, NF, FCC, E500, anhydrous, 99.5-100.5% (calc. to the dried substance)
Product Number 13418
Product Brand SIGALD
CAS Number 497-19-8
Molecular Weight 105.99
 
TEST SPECIFICATION
APPEARANCE (COLOR) Colorless or White
APPEARANCE (FORM) Powder or Crystals
TITRATION (T) HCL 1M 99.5 - 100.5 % (calc. to the dried substance)
LOSS ON DRYING ≤ 0.5% loss on drying (300C)-br-≤ 0.5% loss on drying (105C, 4h)
APPEARANCE OF SOLUTION Complying
HEAVY METALS ≤ 5 ppm
MISCELLANEOUS TESTS Alkali hydroxides and bicarbonates: complying
ARSEN ≤ 0.0002 %
COPPER ≤ 0.002 %
IRON ≤ 0.001 %
MERCURY ≤ 0.0001 %
LEAD ≤ 0.0002 %
ZINC ≤ 0.002 %
CHLORIDE (CL) ≤ 100 mg/kg
SULFATE (SO4) ≤ 50 mg/kg
RESIDUAL SOLVENTS (GLC-HS) Complying
REMARKS Identity, assay and impurities are complying to the monographs of the above mentioned pharmacopeias/codices.
RECOMMENDED RETEST PERIOD 24 Months