![]() Determination of vitamin B3(Nicotinic acid and Nicotinamide) in cosmetics - HPLC and HPLC-MS/MS 化妆品中维生素B3(烟酸、烟酰胺)的测定 高效液相色谱法和高效液相色谱串联质谱法 |
![]() Determination of sudanⅠ,Ⅱ,Ⅲ,Ⅳ in cosmetics - High performance liquid chromatography 化妆品中苏丹红Ⅰ、Ⅱ、Ⅲ、Ⅳ的测定 高效液相色谱法 |
![]() GC ,HPLC and GC-MS examination methods for methylamphetamine in suspected drug 疑似毒品中甲基苯丙胺的气相色谱、高效液相色谱和气相色谱-质谱检验方法 |
![]() GC and GC-MS examination methods for heroin in suspected drug 疑似毒品中海洛因的气相色谱、气相色谱-质谱检验方法 |
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