Ferrous Sulfate 7-hydrate


Product
:
FERROUS SULFATE 7-HYDRATE
(IRON(II) SULFATE 7-HYDRATE)
Available Grades
:
LR/EP, AR/GR, ACS and Ultrapure
Mol. Formula
:
FeSO4.7H2O
Mol. weight
:
278.02
CAS No.
:
7782-63-0


SPECIFICATIONS
:


Sr.
PARAMETER


PARAMETER VALUE
LR / EP
AR / GR
ACS
1. Appearance : Greenish-Blue fine Crystals
2. Test Solution (10% w/v, water)
: The solution is clear & pale greenish-Blue
3.
Assay
:
99% min.
99.0% min. ≥99.0%
4.
pH (5% w/v, water)
:
3.0 - 4.0
3.0 - 4.0
--
5.
Maximum limits of impurities


i.
Water insoluble matter :
--
--
0.01%
ii.
Chloride, as Cl : 0.005%
0.0005%
0.001%
iii.
Phosphate, as PO4 : 0.002%
0.001%
0.001%
iv.
Arsenic, as As : --
0.00004%
--
v.
Calcium, as Ca : --
0.005%
0.005%
vi.
Copper, as Cu : 0.002%
0.001%
0.005%
vii.
Ferric ion, as Fe+3 (See Note-1) : 0.1%
0.05%
0.1%
viii.
Heavy Metals, as Pb
: 0.001%
0.001%
--
ix.
Magnesium, as Mg
: --
0.005%
0.002%
x.
Manganese, as Mn
: --
0.05%
0.05%
xi.
Nitrogen, as N
: --
0.001%
--
xii.
Potassium, as K
: --
0.002%
0.002%
xiii.
Sodium, as Na
: 0.1%
0.02%
0.02%
xiv.
Zinc, as Zn
:
--
0.01%
0.005%

Note-1
: Due to inherent oxidation, Fe+3 content may increase on storage

Ferrous Sulphate India, Ferrous Sulfate India, Ferrous Sulphate Gujarat, Ferrous Sulfate Gujarat, Ferrous Sulphate heptahydrate India, Ferrous Sulfate heptahydrate India, Ferrous Sulfate ultrapure, Iron(II) Sulfate, Iron(II) Sulphate, Iron(II) Sulphate India

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