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31454 Sigma-Aldrich

Sodium sulfite

puriss. p.a., Reag. Ph. Eur., anhydrous, 98-100.0% (iodometric)

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Properties

Related Categories Analytical Reagents, Analytical Reagents for General Use, Analytical/Chromatography, Essential Chemicals, Puriss p.a.,
grade   Reag. Ph. Eur.
InChI Key   GEHJYWRUCIMESM-UHFFFAOYSA-L
grade   puriss. p.a.
assay   98-100.0% (iodometric)
impurities   ≤0.001% heavy metals (as Pb)
  ≤0.02% thiosulfate (S2O3)
anion traces   chloride (Cl-): ≤50 mg/kg
cation traces   As: ≤0.2 mg/kg
  Ca: ≤50 mg/kg
  Cu: ≤5 mg/kg
  Fe: ≤5 mg/kg
  Pb: ≤5 mg/kg
  Se: ≤10 mg/kg
  Zn: ≤10 mg/kg

Description

General description

Sodium sulfie is an inorganic sodium salt. Rapid-mixing method has been proposed to investigate kinetics of the reaction between oxygen and sodium sulfite.

Application

Sodium sulfite was used in the preparation of films based on wheat gluten.

Packaging

1 kg in poly bottle

500 g in poly bottle

Safety & Documentation

Safety Information

Supplemental Hazard Statements 
Contact with acids liberates toxic gas.
RIDADR 
NONH for all modes of transport
WGK Germany 
1
RTECS 
WE2150000

Documents

Certificate of Analysis

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Protocols & Articles
Peer-Reviewed Papers
15

References

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