Wholesale OEM Best Price and Top Quality riboflavin vitamin b2 powder / b2 vitamins
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Attaining consumer satisfaction is our firm’s purpose for good. We’ll make wonderful efforts to produce new and top-quality merchandise, meet up with your special necessities and supply you with pre-sale, on-sale and after-sale products and services for , We can give our clients absolute advantages in product quality and cost control, and we now have full range of molds from up to one hundred of factories. As product updating fast, we succeed in developing many high quality items for our clients and get high reputation.
|
Items |
Specification |
Results |
|
Description |
White crystalline powder |
Complies |
|
Identification |
Should meet the requirement |
Complies |
|
Assay |
98.5-100.5% |
99.1% |
|
Loss on drying:(%) |
≤0.2% |
0.12% |
|
Specific rotation |
+89°- +93° |
+90.9° |
|
Solution color and clarity |
Solution clarity and the samples should be light in color standard |
Complies |
|
Melting range |
229℃-232℃ |
230℃-232℃ |
|
Ash |
≤0.1% |
0.1% |
|
Heavy metals |
≤10ppm |
<10ppm |
|
Arsenic |
<1ppm |
<1ppm |
|
Lead |
<2ppm |
<2ppm |
|
Related substances |
Any impurity≤0.5% |
Complies |
|
Total plate count |
≤1000cfu/g |
<1000cfu/g |
|
Mold & Yeast |
≤100cfu/g |
<100cfu/g |
|
E.Coli |
Negative |
Negative |
|
Salmonella |
Negative |
Negative |
