Ferrous Sulfate Heptahydrate 500gm Merck Germany

Iron (II) Sulfate Heptahydrate 500 gm MERCK Germany for analysis Only.

Iron (II) sulfate heptahydrate for analysis EMSURE ACS, ISO, Reag. Ph Eur. CAS 7782-63-0, EC Number 233-336-3, chemical formula FeSO * 7HO.

Catalog Number 103965

Packing: 500 gr

Replaces FX0260-1

Synonyms Iron vitriol

Description Iron (II) sulfate heptahydrate

CAS number 7782-63-0

EC index number 026-003-01-4

EC number 233-336-3

Grade ACS, ISO, Reag. Ph Eur

Hill Formula FeOS * 7HO

Chemical formula FeSO * 7HO

Molar Mass 278.02 g / mol

HS Code 2833 29 80

Specifications

Assay (manganometric) 99.5 – 102.0%

Identity passes test

Appearance of solution passes test

Insoluble matter 0.01%

pH-value (5%; water) 3.0 – 4.0

Chloride (Cl) 0.0005%

Phosphate (PO) 0.001%

Total nitrogen (N) 0.001%

Heavy metals as Pb 0.005%

As (Arsenic) 0.0002%

Ca (Calcium) 0.005%

Cr (Chromium) 0.005%

Cu (Copper) 0.001%

Fe III (Iron III) 0.02%

K (Potassium) 0.002%

Mg (Magnesium) 0.002%

Mn (Manganese) 0.05%

Na (Sodium) 0.02%

Ni (Nickel) 0.005%

Pb (Lead) 0.0005%

Zn (Zinc) 0.005%

Substance not precipitated by ammonium hydroxide 0.1%

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