Tiosiarczan sodowy, pentahydrat, Pharmpur® ekstra czysty Ph Eur, USP, BP – SCHARLAU
Informacje dodatkowe
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POBIERZ KARTĘ PRODUKTU
POBIERZ KARTĘ POZIOMU JAKOŚCI
POBIERZ KARTĘ CHARAKTERYSTYKI PRODUKTU
PRODUCENT: SCHARLAB
Sodium thiosulfate pentahydrate, e. p.
– Synonyms: Antichlor
– Na2S2O3·5H2O
– M = 248,18 g/mol
– CAS [10102-17-7]
– EINECS-No.: 231-867-5
– Solub. in water: (20 ºC): 680 g/l
– Melting point: 48,5 ºC
– LD 50 (oral, rat): > 8000 mg/kg
– Tariff number: 2832 30 00 00
– Applications: analytical chemistry, titrant in volumetric analysis (iodometric analyses), photography, laboratory reagent, for determination of: cobalt, hydrocyanic acid, quinine.
SPECIFICATIONS
assay (iodometric, referred to dried sample): 99,0 – 100,5 %
assay (iodometric): 99,0 – 101,0 %
Identification A (EP): passes test
Identification B (EP): passes test
Identification C (EP): passes test
Identification sodium: passes test
Identification IR: passes test
appearance of solution: passes test
pH (10 %, H2O): 6,0 – 8,4
sulfates and sulfites (as SO4): max. 0,2 %
sulfides (S): passes test
calcium (Ca): passes test
water content: 32,0 – 37,0 %
