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Sodium-calcium-magnesium phosphate
- Chemical
formula (Na, Ca, Mg)(HyPO4)z.nH2O
- Identification
CAS/EINECS No:
- Process
Sodium-Calcium-magnesium phosphate is a chemical complex of dicalcium
phosphate, dimagnesium phosphate and disodium phosphate. Sodium-calcium-magnesium
phosphate is produced by means of reaction of calcium, magnesium
and sodium with purified phosphoric acid.
- Chemical
characteristics (typical)
|
Total phosphorus |
17.5% |
| Soluble
phosphorus: |
|
| in
2% citric acid |
100% |
| in
neutral amm. citrate |
95% |
| in
water |
50% |
| Sodium
|
12.0
- 14.5% |
| Magnesium |
4.5
- 5.5% |
| Calcium |
7.5
- 8.5% |
| pH
(1% solution) |
7,5
- 8,5 |
| Ash
insoluble in HC |
1
% |
| Undesirable
substances |
conform
to the European Directives |
- Physical
properties (typical)
| Appearance |
granulated
colour off white |
| Apparent
density |
loose
1.0 - 1.2 kg/dm3 |
- Handling,
storage, toxicity
| Handling |
avoid
dust formation |
| Storage |
no
special precautions |
| Shelf
life |
minimum
3 years |
| Toxicity |
non
toxic |
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