| Certification: | RoHS, ISO, Fami-QS, SGS, FDA |
|---|---|
| Element: | Vitamin B |
| Shape: | Powder |
| Type: | Vitamin |
| Function: | Vitamin Additives |
| Transport Package: | 20kg/25kg Cartons |
| Samples: |
|---|
Suppliers with verified business licenses
Audited Supplier 
|
Product |
|
Vitamin B2 |
|
Assay (On dry basis) |
98.0%-102.0% (USP) 97.0%-103.0% (BP) 98.2% |
|
|
Description |
Orange Yellow Crystalline Powder |
|
|
Identification |
Positive |
|
|
Acidity of Alkalinity |
Check the color of the test solution after adding the respective solutions |
|
|
Lumiflavin |
Absorbance of the filtrate at 440nm does not exceed 0.025 (USP); not more intense than BP 0.008 |
|
|
Absorbance |
0.31-0.33 A373nm/A267nm 0.36-0.39 A444nm/A267nm |
|
|
Particle Size |
100% passes through 60 mesh sieve |
|
|
Specific Rotation |
Between -115 and -135 (BP/USP) -125 |
|
|
Loss on Drying |
0.5% |
|
|
Heavy Metals |
<10ppm |
|
|
Residue on Ignition |
<0.3% (USP) <0.1% (BP) 0.1% |
|
|
Organic Volatile Impurities |
Method IV |
Polifar Group Limited at Hanover EuroTier and Nanjing VIV exhibition:
Contact:
Suppliers with verified business licenses
Audited Supplier 
){kind=link}
){kind=link}