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通过用甲基紫—三甲基十六烷基溴化铵络合物为电活性物质的PVC膜直链烷基苯磺酸钠(LAS)离子选择电极的研制,该电极对LAS浓度在5×10~(-6)~1×10~(-3)M之间有Nernst响应,其选择性,重现性均比较满意.
A PVC membrane linear sodium alkyl benzene sulfonate (LAS) ion-selective electrode was developed using methyl violet-trimethylhexadecylammonium bromide complex as the electroactive material. The LAS concentration of the electrode was 5 Nernst response between × 10 ~ (-6) ~ 1 × 10 ~ (-3) M, the selectivity and reproducibility were satisfactory.