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分别研究了Ｃｒ（Ⅲ）及Ｎｄ（Ⅲ）与铬天青Ｂ在酸性媒介染料染色条件下的配合情况．采用最大摩尔比法和连续变化法分别测定了Ｃｒ（Ⅲ）及Ｎｄ（Ⅲ）与铬天青Ｂ的配合比．利用分光光度法首次验证了以铬天青Ｂ为配位体条件下，Ｃｒ（Ⅲ）对Ｎｄ（Ⅲ）的配合置换
The coordination between Cr (Ⅲ), Nd (Ⅲ) and chrome azure B under acid medium dyeing was studied respectively. The ratios of Cr (Ⅲ) and Nd (Ⅲ) to chrome azure B were determined by the maximum molar ratio method and continuous variation method. Using spectrophotometry for the first time to verify the chrome azure B ligand conditions, Cr (Ⅲ) Nd (Ⅲ) with the replacement of