PRODUCT CODE:

131368

Ammonium Iron(II) Sulphate 6-hydrate (Reag. Ph. Eur.) PA-ISO

H₈FeN₂O₈S₂.6H₂O

(NH₄)₂Fe(SO₄)₂.6H₂O

M.= 392,14	CAS [7783-85-9]	EINECS 233-151-8
NC 2833 29 90

SYNONYMS: Iron(II) Ammonium Sulphate ·Mohr's Salt ·
PHYSICAL DATA: Bluish green crystals ·Solubility in water at 20 ºC 269 g/l ·D: 1,864 ·M. P.: 100 ºC ·
APPLICATIONS: Analytical reagent : RFE · USP 25 · BP · Ph. Eur. IV · Analytical reagent used for C.O.D. (Chemical Oxygen Demand ) · UNE 77-004-89 (1989) · ISO 6060-1986.Norme Française NFT 90-101 (1988) ·
BIBLIOGRAPHY: Merck Index 13 , 523 · Safety 2 , 240 D · Römpp 8 , 188 ·ACS IX , 308 4 (30-10-2003) X , 326 · ISO 6353/3-1987 R - 42 , 4 ·

HAZARDOUS: RTECS: BR 6500000 · LD L₀ orl rat 3250 mg/Kg ·

SPECIFICATIONS:

Assay (Perm.)	99,0-101,0%
pH of 5% solution	3-5
MAXIMUM LIMIT OF IMPURITIES
Insoluble matter in H₂SO₄	0,005 %
Non-precipitated by NH₄OH	0,1 %
Chloride (Cl)	0,001 %
Phosphate (PO₄)	0,002 %
Fe(III)	0,02 %
Metals by ICP [mg/Kg (ppm)]
Al	50
Ca	100
Cd	10
Co	50
Cu	10
Hg	10
K	100
Mg	50
Mn	200
Na	100
Pb	10
Sr	10
Zn	30