GB/T 33309-2016
ActiveDetermination of vitamin B6 ( pyridoxine, pyridoxine hydrochloride, pyridoxine fatty acid esters and pyridoxal 5-phosphate ) in cosmetics—High performance liquid chromatography
化妆品中维生素B6（吡哆素、盐酸吡哆素、吡哆素脂肪酸酯及吡哆醛 5-磷酸酯）的测定 高效液相色谱法
Application Summary AI generated
This standard specifies a high-performance liquid chromatography (HPLC) method for the quantitative determination of four forms of vitamin B6 in cosmetics. It is applied by quality control and regulatory testing laboratories to verify ingredient compliance in products such as creams, lotions, and serums. The method ensures accurate measurement of pyridoxine, pyridoxine hydrochloride, pyridoxine fatty acid esters, and pyridoxal 5-phosphate for safety and labeling verification.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.