GB/T 39560.702-2021電子電氣產(chǎn)品中某些物質(zhì)的測定 第7-2部分：六價(jià)鉻 比色法測定聚合物和電子件中的六價(jià)鉻[Cr（VI）]Determination of certain substances in electrical and electronic products. Part 7-2:Hexavalent chrome. Determination of hexavalent chrome[Cr(VI)]in polymers and electronics by the color

GB/T 39560.702-2021電子電氣產(chǎn)品中某些物質(zhì)的測定 第7-2部分：六價(jià)鉻 比色法測定聚合物和電子件中的六價(jià)鉻[Cr（VI）]Determination of certain substances in electrical and electronic products. Part 7-2:Hexavalent chrome. Determination of hexavalent chrome[Cr(VI)]in polymers and electronics by the colormetric method