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Calcium Citrate Tetrahydrate, CAS 5785-44-4 is a white powder or granular. Calcium Citrate Tetrahydrate is mainly used for the production of food and pharmaceutical production. Especially, the granular one conforms to DC grade and it can be used for tablets production, etc.

Specification
Appearance                                  White granular                           White powder
Identification
A                                                 To pass test                                To pass test
B                                                 To pass test                                To pass test
Assay                                           97.5-100.5%                             97.5-100.5%
Caltric acid                                   30 ppm max                               65.0-68.0%
Fluoride                                       20ppm max                                30 ppm max
Heavy metals                               5ppm max                                  20ppm max
Lead                                            10.0-13.3%                                5ppm max
Loss On Drying                             0.2%max                                   10.0-13.3%
Acid insoluble substances             3 ppm max                                  0.2%max
Arsenic                                        Meets requirements                     3 ppm max
Organic volatile impurities            21.2-23.5%                                 Meets requirements
Calcium content(anhydrous)        ＞95%                                         ≥21.0%
Particle Size pass                         30-80mesh                                  100-250mesh
Microbial Limits                             
Total aerobic count                      100CFU/g max                              1,00CFU/g max
Total molds and yeasts Absent     1,000CFU/g max                           1,000CFU/g max
E.Coli                                         Absent                                           Absent
Salmonella                                 Absent                                           Absent

Application
Calcium Citrate Tetrahydrate can be used for chelating agent, buffering agent, organization coagulant, calcium strengthening agent, etc. As for the granular one, it conforms to DC grade and it can be used for tablets production, etc.