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| Producer, Manufacturer,
Supplier of |
| Chromium(III) Potassium Sulphate 12-hydrate |
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| GRR
Code : |
0543 |
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| CAS No : |
7788-99-0 |
| CI No : |
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| Molecular Formula
: |
CrKO8S2.12H2O |
| Molecular Weight
: |
499.41 |
| Description
: |
Violet crystals · Solubility in water at 20 ° C 250 g/l · D: 1,830 · M. P.: 89 ° C ·
APPLICATIONS: Analytical reagent |
| Website : |
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| Synonyms : |
Potassium and Chromium(III) Sulphate, Potassium Disulphatechromate(III), Chrome Alum, KCr(SO4)2.12H2O, CrKO8S2.12H2O |
| Specifications
: |
| Specifications |
|
| Assay (Iodom.) |
98,0-102,0% |
| pH of 5% solution |
2,8-4,0 |
MAXIMUM LIMIT OF IMPURITIES |
|
| Insoluble matter in H2O |
0,005 % |
| Chloride (Cl) |
0,002 % |
| Ammonium (NH4) |
0,01 % |
| Heavy metals (as Pb) |
0,01 % |
| Al |
0,005 % |
| Ca |
0,005 % |
| Cd |
0,005 % |
| Co |
0,005 % |
| Cu |
0,001 % |
| Fe |
0,01 % |
| Na |
0,05 % |
| Ni |
0,005 % |
| Pb |
0,005 % |
| Zn |
0,005 % | |
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| Packaging : |
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Weight |
Description |
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| GRR
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