Natriumthiosulfat Pentahydrat 99.5% zur Analyse

Lieferant: Thermo Scientific

Synonyms: Fixiersalz

ACRO202850025EA 101 CHF
ACRO202850025 ACRO202850010 ACRO202850100
Natriumthiosulfat Pentahydrat 99.5% zur Analyse
Natriumthiosulfat Pentahydrat
Formel: Na₂S₂O₃.5H₂O
MW: 248,19 g/mol
Melting Pt: 48,5 °C
Dichte: 1,72 g/cm³
Lager Temperatur: Raumtemperatur
MDL Number: MFCD00149186
CAS-Nummer: 10102-17-7
EINECS: 231-867-5
Merck Index: 12,08844

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Spezifikation Testergebnisse

Appearance Transparent white Crystals
Titration Iodimetric 99.5 to 101.0 %
pH 6.0 to 8.4 (5 % at 25°C)
Chloride (Cl) ≤200 ppm
SO4 and SO3 (as SO4) ≤0.1 %
Calcium (Ca) ≤20 ppm
Iron (Fe) ≤5 ppm
Potassium (K) ≤50 ppm
Sulfur (S) ≤1 ppm
Heavy metals (as Pb) ≤5 ppm
Insoluble matter ≤0.005 % (in water)
Nitrogen compounds (as N) ≤0.002 %

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