Sodium metabisulphite for analysis

Supplier: Thermo Scientific
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ACRO223070010EA 51 EUR
ACRO223070010 ACRO223070025 ACRO223075000
Sodium metabisulphite for analysis
Sodium metabisulphite
Formula: Na₂S₂O₅
MW: 190,11 g/mol
Melting Pt: 150 °C (dec.)
Storage Temperature: Ambient
MDL Number: MFCD00167602
CAS Number: 7681-57-4
ADR: 8,III
Merck Index: 12,08731
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Specification Test Results

Appearance White Crystalline powder
Titration Iodimetric ≥58.5 % (SO2)
Arsenic (As) ≤1 ppm
Iron (Fe) ≤20 ppm
Heavy metals (as Pb) ≤10 ppm
Insoluble matter ≤0.005 %

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