Sodium aluminium phosphate (SALP) is a chemical used in food processing. It is synthetically produced from aluminium, phosphoric acid and sodium hydroxide. As a food additive it has the E number E541.SALP has two forms: an acid form used in baking powder,...
Sodium aluminium phosphate (SALP) is a chemical used in food processing. It is synthetically produced from aluminium, phosphoric acid and sodium hydroxide. As a food additive it has the E number E541.SALP has two forms: an acid form used in baking powder, and an alkaline form used as an emulsifier in processed cheese. It is used in baking powder because most of its action takes place at baking temperatures, rather than when the dough or batter is mixed at room temperature.. CAS No.:7785-88-8. is a family of sodium salts of aluminium phosphate, available as White powder.
| INDEX | SPECIFICATIONS | RESULT | |
| Identification A | Pass | Conform | |
| Assay | % | 95.0min | 97.2 |
| Loss on ignition | % | 15.0-16.0 | 15.4 |
| Arsenic (As) | % | 0.0003 max | Less than 0.0003 |
| Fluorides (as F) | % | 0.0025max | Less than 0.0020 |
| Lead | % | 0.0002max | Less than 0.0002 |
| DRR (%CO2, 8minutes) | 18.0-22.0 | 20 | |
| Neutralisation Value (NV) | 96Min | 99.5 | |
| Particle Size | % | 1.0 max | 0.5 |
| Retained on 20Micron Retained on 100Micron | 40.0max | 25 | |
| Appearance | White powder | Conform | |
Uses: In food industry it is used as leavening agent, such as baking powder and pancake mixes.
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