Chemical Name: Soluble Calcium Citrate
Molecular Formula: Ca3(C6H5O7)2.3H2O
Molecular Weight: 552.52
Grade: Medicine and food grade
Character: White crystalline powder, odorless, slightly deliquescence, soluble in water, almost insoluble in ethanol. It may start to lose crystal water when heated to 100℃. The crystal will lose water completely when heated to 120℃.
Product Quality Standard: （The enterprise standard，GB17203-1998，FCC-4，USP-23）
|
Index Name
|
Enterprise Standard
|
GB17203-1998
|
FCC-4
|
USP-23
|
|
Appearance
|
White crystalline powder
|
White powder
|
White crystalline powder
|
White crystalline powder
|
|
Content，【 Ca3(C6H5O7)2】%
|
98.0-100.5
|
98.0-100.5
|
97.5-100.5
|
97.0-100.5
|
|
Arsenic（As），%
|
0.0003
|
0.0003
|
-
|
0.0003
|
|
Fluoride，≤%
|
0.003
|
0.003
|
0.003
|
0.003
|
|
Heavy metal（Pb），≤%
|
0.002
|
0.002
|
0.002
|
0.002
|
|
Loss on drying，%,<
|
5.0
|
-
|
-
|
-
|
|
Acid insoluble，≤%
|
0.1
|
0.2
|
-
|
0.2
|
|
Solubility（25℃g/100ml）
|
3-4
|
-
|
-
|
-
|
|
