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研究了在阳离子表面活性剂溴化十六烷基三甲基铵(CTMAB)和非离子表面活性剂乳化剂OP所组成的混合表面活性剂存在下二价锰与邻硝基苯基萤光酮(o-NPF)的显色反应。体系适宜的反应酸度是pH8.4～11.0,最大吸收波长615nm,最大摩尔吸光系数为1.53x10~5l·mol~(-1)·cm~(-1),锰与ONPF的络合比为1:2。
In the presence of a mixed surfactant consisting of a cationic surfactant cetyltrimethylammonium bromide (CTMAB) and a nonionic surfactant emulsifier OP, the reaction of divalent manganese with o-nitrophenylfluorone (o-NPF) color reaction. The optimum reaction acidity is pH8.4 ~ 11.0, the maximum absorption wavelength is 615nm, the maximum molar absorptivity is 1.53 × 10 ~ 5l · mol ~ (-1) · cm ~ (-1) and the complexing ratio of Mn to ONPF is 1 :2.