Definition | |
Chemical name | Calcium dilactate |
Calcium dilactate hydrate |
2-Hydroxypropanoic acid calcium salt |
Einecs | 212-406-7 |
Chemical formula | (C3H5O2)2 Ca· nH2O (n = 0-5) |
Molecular weight | 218,22 (anhydrous) |
Assay | Content not less than 98 % on the anhydrous basis |
Description | Almost odourless, white crystalline powder or granules |
Identification | |
A.Positive tests for lactate and for calcium | |
B.Solubility tests | Soluble in water and practically insoluble in ethanol |
Purity | |
Loss on drying | Determined by drying at 120 oC for four hours: |
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Acidity | Not more than 0,5 % of the dry matter expressed as lactic acid |
Fluoride | Not more than 30 mg/kg (expressed as fluorine) |
pH of a 5 % solution | Between 6,0 and 8,0 |
Arsenic | Not more than 3 mg/kg |
Lead | Not more than 5 mg/kg |
Mercury | Not more than 1 mg/kg |
Heavy metals (as Pb) | Not more than 10 mg/kg |
Reducing substances | No reduction of Fehling's solution |