tri-POTASSIUM CITRATE Extra Pure |
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| SYNONYMS : CITRIC ACID TRIPOTASSIUM SALT, KALII CITRAS, POTASSIUM CITRATE TRIBASIC |
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| Article No. |
05346 |
| Grade |
Extra Pure
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| Purity |
99% |
| CAS No. |
6100-05-6 |
| Molecular Formula |
C6H5K3O7.H2O |
| Molecular Weight |
324.41 |
| H.S. Code |
2918.1500 |
| Shelf Life |
5 Years |
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| Confirms to BP/USP |
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| Specifications |
| Assay (HClO4 titration) |
99 - 100.5% |
| Appearance |
White crystalline powder |
| pH (5% water) |
7.5 - 9.0 |
| Appearance of solution |
Passes test |
| Insoluble matter in water |
Max 0.025% |
| Acidity or alkalinity |
Passes test |
| Chloride (Cl) |
Max 0.005% |
| Oxalate (C2O4) |
Max 0.03% |
| Sulphate (SO4) |
Max 0.01% |
| Tartarate |
Passes test |
| Heavy metals (as Pb) |
Max 0.001% |
| Arsenic (As) |
Max 0.0001% |
| Mercury (Hg) |
Max 0.0001% |
| Lead (Pb) |
Max 0.001% |
| Sodium (Na) |
Max 0.3% |
Copper (Cu)
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Max 0.002% |
| Zinc (Zn) |
Max 0.002% |
Reaction against H2SO4
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Passes test |
| Readily carbonisable substance |
Passes test |
| Water |
4 - 7%
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| Loss on drying (at 130 deg C) |
3 - 6 |
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| Packings |
| 00500 500 g |
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| 0025K 25 Kg |
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| 0050K 50 Kg |
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| Revision Date
: 21-Apr-2013 |
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