1,2,3-Propanetricarboxylicacid, 2-hydroxy-, calcium salt (2:3), tetrahydrate (9CI) Citric acid, calciumsalt (2:3), tetrahydrate (8CI) Tricalciumdicitrate tetrahydrate
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Item |
Specification. |
Analysis |
Identification A |
Pass the test |
Pass the test |
Identification B |
Pass the test |
Pass the test |
Assay Ca3(C6H5O7)2 |
97.5%-100.5% |
98.2% |
Assay Content(Ca) |
20.5%-21.2% |
20.7% |
Loss on drying(150℃ 4hours) |
10.0%-13.3% |
11.1% |
Arsenic |
≤1ppm |
<1ppm |
Lead |
≤1ppm |
<1ppm |
Mercury |
≤1ppm |
<1ppm |
Limit of fluoride |
≤30ppm |
<30ppm |
Heavy Metals |
≤20ppm |
<20ppm |
Acid insolubles substances |
≤0.2% |
<0.05% |
Readiliy carbonisable sbstances |
Pass the test |
Pass the test |
Particle Size Thru. 80mesh |
80%min. |
89.60% |
Conclusion |
Pass the test method USP32 |
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