分光光度法测定低含量锡通常采用苯基萤光酮、邻苯二酚紫或茜素紫法,其中使用苯基萤光酮较广泛,其摩尔吸光系数高达1.3×10~5。最近发表的水杨基萤光酮对锡(Ⅳ)的显色反应灵敏度可达1.79×10~5。广州有色金属研究所分析室合成苯基萤光酮的衍生物——二溴苯基萤光酮(DBPF)。刘润平工程师并用该试剂较系统研究了在不同表面活性剂存在下锡(Ⅳ)和DBPF的反应 Spectrophotometric determination of low levels of tin commonly used phenyl fluorone, catechin purple or alizarin purple method, which uses a wider range of phenyl fluorone, the molar absorption coefficient of up to 1.3 × 10 ~ 5. The recently published salicyl fluorone on Tin (Ⅳ) color reaction sensitivity of up to 1.79 × 10 ~ 5. Guangzhou Nonferrous Metals Institute of Analytical Room Synthesis of phenylfluorone derivatives - dibromophenylfluorone (DBPF). Engineer Liu Runping used this reagent to systematically study the reaction of tin (IV) with DBPF in the presence of different surfactants