 |
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 |
| Producer, Manufacturer,
Supplier of |
| Iron(II) Sulphate 7-hydrate |
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| GRR
Code : |
0829 |
|
| CAS No : |
7782-63-0 |
| CI No : |
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| Molecular Formula
: |
FeSO4.7H2O |
| Molecular Weight
: |
278.02 |
| Description
: |
Bluish green crystals ·Solubility in water at 20 °C 400 g/l ·D: 1,897 ·M. P.: 64 °C ·Thermal decom. above 400 °C ·
APPLICATIONS: Analytical reagent· Reagent used in the determination of C.O.D. (Chemical Oxygen Demand) |
| Website : |
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| Synonyms : |
Green Vitriol, Iron(II) sulfate, FeSO4.7H2O |
| Specifications
: |
| Specifications |
|
| Minimum assay (Perm.) |
99,0 % |
| pH of 5% solution |
3,0-4,0 |
MAXIMUM LIMIT OF IMPURITIES |
|
| Insoluble matter in H2O |
0,005 % |
| Nitrogen compounds (as N) |
0,001 % |
| Chloride (Cl) |
0,001 % |
| Phosphate (PO4) |
0,0005 % |
| As |
0,00004 % |
| Fe(III) |
0,1 % |
Metals by ICP [mg/Kg (ppm)]
|
|
| Be |
10 |
| Bi |
10 |
| Ca |
50 |
| Cd |
50 |
| Co |
20 |
| Cr |
80 |
| Cu |
10 |
| Hg |
10 |
| K |
20 |
| Mg |
20 |
| Mn |
300 |
| Mo |
10 |
| Na |
20 |
| Ni |
50 |
| Pb |
5 |
| Sr |
10 |
| Ti |
10 |
| Zn |
20 | |
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| Packaging : |
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Weight |
Description |
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| GRR
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