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基于InBr_4~-或InI_4~-与碱性染料所形成的离子缔合物的萃取光度法,目前仍是测定微量铟的主要方法之一,表现摩尔吸光系数约为10~5。我们曾研究过锡(Ⅳ)—硫
The extraction photometry based on the ion association of InBr_4 ~ - or InI_4 ~ - with basic dyes is still one of the main methods for the determination of trace indium. The molar absorption coefficient is about 10 ~ 5. We have studied tin (Ⅳ) - sulfur