| ≥1 piece |
|
Mol . formula
|
( C 4 H 6 NO 4 ) 2 Ca |
|
Formula Wt.
|
304 |
|
CAS No. |
92533-40-9
|
|
Characteristics |
A white to off white crystalline, hygroscopic powder
|
|
Solubility
|
Freely soluble in water, practically insoluble in ethanol, ether and chloroform
|
|
Identification
|
Test for Calcium –Positive Test for Aspartate – positive
|
|
Loss on drying (105 0 C for 3 hrs.) |
Max. 3% |
|
Specific optical rotation |
+19 0 to +22 0 |
|
Chloride |
Max. 500ppm
|
|
Sulphate |
Max. 500ppm
|
|
Ammonium |
Max. 200ppm
|
|
Heavy metals |
Max. 20ppm
|
|
Arsenic |
Max. 3ppm
|
|
Lead |
Max. 10ppm
|
|
Assay (On dried basis) i) Calcium |
12.5 to 13.5%
|
|
Particle size |
95% passes through ASTM # 60
|
|
Microbial profile |
|
|
Escherichia coli |
Absent/gm |
|
Staphylococcus aureus |
Absent/gm |
|
Salmonella |
Absent/gm |
|
Pseudomonas aeruginosa |
Absent/gm |
|
Total bacterial count |
NMT1000cfu/gm |
|
Total fungal count |
NMT 100cfu/gm |