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thiosíran sodný pentahydrát 99.5% analysis_for

Dodavatel: Thermo Fisher Scientific

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ACRO202850010EA 1330 CZK
ACRO202850010 ACRO202850025 ACRO202850100
thiosíran sodný pentahydrát 99.5% analysis_for
thiosíran sodný pentahydrát
Vzorec: Na₂S₂O₃.5H₂O
MW: 248.19
Bod tání: 48.5 °C
Hustota: 1.72 g/cm³
Storage Temperature: Ambient
MDL Number: MFCD00149186
CAS číslo: 10102-17-7
EINECS: 231-867-5
Merck Index: 12,08844

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Výsledky specifikačního testu

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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