Natriummetabisulfit, trocken 98-100,5%, Puriss. p.a. ACS, Reag. Ph. Eur., Fluka™

Lieferant: Honeywell Chemicals
Gefahr

Synonyme: DisulfitNatriumpyrosulfitdi-NatriumdisulfitNatriumdisulfitPyrosulfit

31448-50KGEA 936.62 EUR
31448-50KG 31448-5KG 31448-500G 31448-2.5KG
Natriummetabisulfit, trocken 98-100,5%, Puriss. p.a. ACS, Reag. Ph. Eur., Fluka™
Natriummetabisulfit
Formel: Na₂S₂O₅
Molecular Weight: 190,11 g/mol
Siedepunkt: Decomposes on heating
Schmelzpunkt: >150 °C (Zersetzung)
Dichte: 2,36 g/cm³ (20 °C)
Lagertemperatur: Raumtemperatur
MDL: MFCD00167602
CAS-Nummer: 7681-57-4
EINECS: 231-673-0
REACH: 01-2119531326-45
Merck Index: 12,08784
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Spezifikation Testergebnisse

Assay 98.0 - 100.5 %
pH (5 %, 20°C) 3.5 - 5.0
Arsenic (As) Max. 0.5 ppm
Calcium (Ca) Max. 0.005 %
Cadmium (Cd) Max. 0.005 %
Cobalt (Co) Max. 0.005 %
Copper (Cu) Max. 0.0005 %
Iron (Fe) Max. 5 ppm
Potassium (K) Max. 0.01 %
Nickel (Ni) Max. 0.005 %
Lead (Pb) Max. 0.0005 %
Zinc (Zn) Max. 0.001 %
Heavy metals (as Pb) Max. 10 ppm
Chloride (Cl) Max. 0.005 %
Thiosulfate (S₂O₃) complying
Thiosulfate (S₂O₃) Max. 0.01 %
Water insoluble matter Max. 0.005 %
Appearance of the solution complying

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