Natriumthiosulfat, wasserfrei 98.5%, reinst

Lieferant: Thermo Fisher Scientific

Synonyme: di-Natriumthiosulfat, Antichlor, Fixiersalz, Natriumhyposulfit

202870010 202870025 202875000 202870100
ACRO202870010EA 46.2 EUR
ACRO202870010 ACRO202870025 ACRO202875000 ACRO202870100
Natriumthiosulfat, wasserfrei 98.5%, reinst
Natriumthiosulfat
Formel: Na₂S₂O₃
Molecular Weight: 158.11 g/mol
Siedepunkt: 100
Schmelzpunkt: 48 °C
Lagertemperatur: Raumtemperatur
MDL: MFCD00003499
CAS-Nummer: 7772-98-7
EINECS: 231-867-5
Merck Index: 12,08844

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Spezifikation Testergebnisse

Appearance White Crystalline powder
Titration Iodimetric ≥98.0 % (on dry substance)
Loss on drying ≤2 % (105°C, 2 h)
pH 6.0 to 8.5 (5 % at 20°C)
Chloride (Cl) ≤1500 ppm
SO4 and SO3 (as SO4) ≤1 %
Iron (Fe) ≤50 ppm
Heavy metals (as Pb) ≤50 ppm


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