GB/T 15072.4-2008
贵金属合金化学分析方法 钯、银合金中钯量的测定 二甲基乙二醛肟重量法
GB/T 15072.4-2008
Determination of chloroacetaldehyde,2,4-dihydroxy-3-methylbenzaldehyde,crotonaldehyde,acetophenone,2-pentylidenecyclohexanone and glutaral in cosmetics—High performance liquid chromatography