Natriumthiosulfat Pentahydrat 99-101%, Puriss., erfüllt analytische Spezifikationen von BP, Ph. Eur., USP, Fluka™
Lieferant: Honeywell Chemicals
Synonyme:
Fixiersalz
13479-500GEA
26.36
EUR
13479-500G
13479-5KG
HONC13479-4X2.5KG
HONE13479.9025
13479-2.5KG
Natriumthiosulfat Pentahydrat 99-101%, Puriss., erfüllt analytische Spezifikationen von BP, Ph. Eur., USP, Fluka™
Natriumthiosulfat Pentahydrat
Formel:
Na₂S₂O₃.5H₂O Molecular Weight: 248,19 g/mol Siedepunkt: Decomposes on heating, Schmelzpunkt: 48 °C (Zersetzung) Dichte: 1,73 g/cm³ (20 °C) Lagertemperatur: Room Temperature |
MDL:
MFCD00149186 CAS-Nummer: 10102-17-7 Merck Index: 12,08844 |
Spezifikation Testergebnisse
Identity | complying |
Assay | 99.0 - 101.0 % |
Assay (calculated on the anhydrous basis) | 99.0 - 100.5 % |
Loss on drying (vacuum, 16 h) | 32.0 - 37.0 % |
pH (10 %, 20°C) | 6.0 - 9.0 |
Arsenic (As) | Max. 0.0003 % |
Calcium (Ca) | Max. 0.005 % |
Iron (Fe) | Max. 0.001 % |
Heavy metals (as Pb) | Max. 0.0005 % |
Chloride (Cl) | Max. 0.05 % |
Sulfate and sulfite (as SO₄) | Max. 0.2 % |
Sulfide (S) | complying |
Appearance of the solution | complying |
Residual solvents | complying |
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