China 80% Vitamin B2 for Animal Nutrition, Find details about China Vitamin B2, Riboflavin from 80% Vitamin B2 for Animal Nutrition
Certification Of Analysis | ||
ANALYSIS | SPECIFICATION | RESULTS |
Assay | 98.0% ~102.0 % | 98.6 |
Appearance | Orange yellow crystalline powder | Complies |
Odor | Slight odor | Complies |
Identification | ||
Fluorescence test | Consistent with the reference substance | Complies |
UV -visible absorption spectra | A444nm/A267nm: the ratio between 0.36 and 0.39 | A444nm/A267nm:0.38 |
A375nm/A267nm: the ratio between 0.31 and 0.33 | A375nm/A267nm:0.32 | |
Infrared absorption spectrum | This infrared absorption atlas should consistent with the reference atlas | Complies |
Loss on drying | ≤1.5% | 0.1 |
Ash | ≤0.3% | 0.1 |
Specific rotation | -120°~-140° | -123° |
Photosensitive | 440nm Absorption≤0.025 | 0.008 |
As | ≤0.0002% | <0.0002 |
Heavy Metal | ≤0.001 | <0.001 |
Microbiology | ||
Total Plate Count | ≤1000CFU/g | <10CFU/g |
Yeast & Moulds | <100cfu/g | Complies |
E.Coli | Negative | Complies |
Salmonella | Negative | Complies |