Siarczyn sodowy ExpertQ® do analizy ACS, Reag. Ph Eur – SCHARLAU
Informacje dodatkowe
| Wielkość opakowania | |
|---|---|
| Nr katalogowy | |
| Producent: | |
| CAS: |
POBIERZ KARTĘ PRODUKTU
POBIERZ KARTĘ POZIOMU JAKOŚCI
POBIERZ KARTĘ CHARAKTERYSTYKI PRODUKTU
PRODUCENT: SCHARLAB
Sodium sulfite, ExpertQ®, ACS, Reag. Ph
– 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): 98,0 – 100,5 %
identity (IR-spectrum): passes test
appearance of solution: clear and colourless
insoluble in water: max. 0,005 %
acidity: passes test
alkalinity: max. 0,03 meq/g
chlorides (Cl): max. 0,02 %
thiosulfates (S2O3): max. 0,1 %
arsenic (As): max. 1 ppm
copper (Cu): max. 5 ppm
heavy metals (as Pb): max 0,001 %
iron (Fe): max. 10 ppm
lead (Pb): max. 5 ppm
selenium (Se): max. 10 ppm
zinc (Zn): max. 0,001 %
