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food additive Sodium Citrate
1.M. F. : C6H5Na3O7
2.M. W. : 294.103.Physical properties: colorless crystalloid or white crystalline powder; Odourless, cool and salty; Slightly deliquescent in moist air; Efflorescent in hot air; Soluble in water but insoluble in Ethanol. To decompose when heated and to lose cystal water at 150°C.4.Quality standard:(BP93, BP98,FCC-4 )
Name of index | BP93 | BP98 | FCC-4 |
Appearance | White or light yellow crystal or powder | White or light yellow crystal or powder | White or light yellow crystal or powder |
Content(KC6H5O7) ≥% | 99.0-101.0 | 99.0-101.0 | 99.5-100.5 |
Heavy metal(AsPb) ≤% | 0.001 | 0.001 | 0.001 |
AS ≤% | 0.0001 | 0.0001 | - |
Loss on drying% | 11.0-13.0 | 11.0-13.0 | 10.0-13.0 |
Cl ≤% | 0.005 | 0.005 | - |
Sulphate Salt≤% | 0.015 | 0.015 | - |
Qxalate Salt≤% | 0.03 | 0.03 | - |
Alkalinity% | 0.2 | Accord with the test | Accord with the test |
Readily Carbonisable Substances | Accord with the test | Accord with the test | - |
Transparenly and color of sample | - | Accord with the test | - |
Pyrogens | - | Accord with the test |
food additive Sodium Citrate