Siarczyn sodowy, Pharmpur® ekstra czysty Ph Eur, BP, E219 – SCHARLAU
Additional information
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POBIERZ KARTĘ PRODUKTU
POBIERZ KARTĘ POZIOMU JAKOŚCI
POBIERZ KARTĘ CHARAKTERYSTYKI PRODUKTU
PRODUCENT: SCHARLAB
Sodium sulfite, extra pure, Pharmpur®,
– Na2SO3
– M = 126,04 g/mol
– CAS [7757-83-7]
– EINECS-No.: 231-821-4
– Solub. in water: (20 ºC): 220 g/l
– Melting point: > 500 ºC (decomposes)
– LD 50 (oral, rat): 2610 mg/kg
– Tariff number: 2832 10 00 00
– Applications: analytical chemistry, laboratory reagent, solvents (in the cellulose industry), antibacterian, absorbent for: nitrogen oxides (gases).
SPECIFICATIONS
assay (iodometric): 95,0 – 100,5 %
Identification A (EP): passes test
Identification D (EP): passes test
Identification sulfates: passes test
Identification sodium: passes test
appearance of solution: clear and colourless
thiosulfates (S2O3): max. 0,1 %
iron (Fe): max. 10 ppm
selenium (Se): max. 10 ppm
zinc (Zn): max. 25 ppm
