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Sodium thiosulfate, solution 0,5 mol/l (0,5 N)

- Na2S2O3·5H2Or- M = 248,18 g/molr- CAS [10102-17-7]r- EINECS-No.: 231-867-5r- Density: 1,06 g/cm3 r- Tariff number: 2832 30 00 00r- Applications: analytical chemistry, titrant in volumetric analysis, reducing agent.rrSPECIFICATIONSrfactor: 0,999 - 1,001runcertainty ± 0,001 rr1 ml = 0,1241 g Na2S2O3·5H2O This solution was analysed using a certified reference material (potassium iodate). The certified reference material is ISO 17034 accredited, measured according to ISO/IEC 17025 and traceable to the International System of Units by means of a Standard Reference Material from NIST: SRM® 136 (Potassium Dichromate (Oxidimetric Standard)). r