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Introduce : A vitamin is an organic molecule (or related set of molecules) which is an essential micronutrient—that is, a substance which an organism needs in small quantities for the proper functioning of its metabolism but cannot synthesize, either at all or in sufficient quantities, and therefore must obtain through its diet.
Contact UsItems | Standards |
Appearance | Yellow Or Orange Crystalline Powder Almost Odouless |
Ultraviolet Abaorption A256/A365 | Between 2.80 And 3.00 |
Water | ≤ 8.50% |
Residue Ou Ignition | ≤0.3% |
Chromatographic Purity | Not Greater Than 2.0% |
Organic Volatile Impruities | Meet The Require |
Assay | 97.0—102.0% |