Siarczan żelaza(II) heptahydrat ExpertQ® do analizy, ACS, ISO, Reag. Ph Eur – SCHARLAU

POBIERZ KARTĘ PRODUKTU
POBIERZ KARTĘ POZIOMU JAKOŚCI
POBIERZ KARTĘ CHARAKTERYSTYKI PRODUKTU

PRODUCENT: SCHARLAB

Iron(II) sulfate heptahydrate, ExpertQ®,

– Synonyms: Iron vitriol
– FeSO4·7H2O
– M = 278,02 g/mol
– CAS [7782-63-0]
– EINECS-No.: 231-753-5
– Solub. in water: (20 ºC): 665 g/l
– Melting point: > 60 ºC (release of crystalline water)
– LD 50 (oral, rat): 319 mg/kg (anhydrous substance)
– GHS-signal word: Warning
– GHS-H sentences: H302 – H315 – H319
– GHS-P sentences: P280 – P305+P351+P338 – P321 – P362 – P332+P313 – P501a
– Tariff number: 2833 29 80 80
– Applications: analytical chemistry, determining COD.

SPECIFICATIONS
assay (cerimetric): 98,0 – 105,0 %
assay (KMnO4): min. 99,0 %
Identification iron: passes test
Identification sulfates: passes test
insoluble matter: max. 0,01 %
pH (5 %, H2O): 3,0 – 4,0
chlorides (Cl): max. 10 ppm
phosphates (as PO4): max. 10 ppm
total nitrogen (as N): max. 0,001 %
arsenic (As): max. 2 ppm
calcium (Ca): max. 10 ppm
chromium (Cr): max. 50 ppm
cobalt (Co): max. 25 ppm
copper (Cu): max. 25 ppm
iron (III) (Fe (III)): max. 0,025 %:
lead (Pb): max. 25 ppm
magnesium (Mg): max. 20 ppm
manganese (Mn): max. 0,05 %
nickel (Ni): max. 50 ppm
potassium (K): max. 20 ppm
sodium (Na): max. 200 ppm
zinc (Zn): max. 50 ppm
substances not precipitated by ammonium hydroxide: max. 0,1 %