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| Producer, Manufacturer,
Supplier of |
| Aluminium Ammonium Sulphate 12-hydrate |
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| GRR
Code : |
0286 |
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| CAS No : |
7784-26-1 |
| CI No : |
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| Molecular Formula
: |
H4AlNO8S2.12H2O NH4Al(SO4)2.12H2O |
| Molecular Weight
: |
453.33 |
| Description
: |
Small white crystals ·Solubility in water at 20 °C 150 g/l ·D: 1,64 ·M. P.: 93 °C ·Thermal decom. above 280 °C ·
APPLICATIONS: Analytical reagent |
| Website : |
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| Synonyms : |
Ammonium Aluminium Sulphate , Ammonium Alum, H4AlNO8S2.12H2O, NH4Al(SO4)2.12H2O |
| Specifications
: |
| Specifications |
|
| Assay (Compl.) |
99,0-102,0% |
| pH of 5% solution |
Z3,0 |
MAXIMUM LIMIT OF IMPURITIES |
|
| Insoluble matter in H2O |
0,005 % |
| Loss on drying at 300°C |
48 % |
| Alkali and alkaline-earth salts |
0,3 % |
| Chloride (Cl) |
0,001 % |
| Phosphate (PO4) |
0,0025 % |
| Heavy metals (as Pb) |
0,001 % |
| As |
0,00005 % |
| Ca |
0,05 % |
| Cu |
0,0005 % |
| Fe |
0,001 % |
| K |
0,05 % |
| Na |
0,01 % |
| Ni |
0,0005 % |
| Pb |
0,0005 % | |
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Weight |
Description |
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| GRR
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