Certificate of Analysis
Product Name: Vitamin B12
|
ITEM |
SPECIFICATION |
RECULT |
|
Description: |
|
|
|
Appearance |
Dark red crystal or crystalline powder |
Complies |
|
Odor |
Characteristic |
Complies |
|
Particle size |
100% pass through 80 mesh sieve |
Complies |
|
Bulk Density |
45.0g/100mL~65.0 g/100mL |
49.3 g/100mL |
|
Identification Color Reaction |
Positive Reaction |
Complies |
|
Tests: |
|
|
|
Loss on drying(5h at 105℃) |
<5.0% |
4.11% |
|
Ash(3h at 600℃) |
<5.0% |
3.21% |
|
Heavy metals(as Pb) |
<10ppm |
Complies |
|
Arsenic(as AS2O3) |
<1ppm |
Complies |
|
Residual Solvents |
CP 2010 |
Complies |
|
Assay |
99% |
Complies |
|
Microbial: |
|
|
|
Total bacterial count |
Max.10000cfu/g |
Complies |
|
Yeast & Mould |
Max.500cfu /g |
Complies |
|
Escherichia coli presence |
Negative |
Complies |
|
Salmonella |
Negative |
Complies |
Storage:Store in cool and dry place.
Shelf life:2 years when properly stored.