在p H 3.0磷酸氢二钠-柠檬酸缓冲液中,Δλ=25 nm,十二烷基苯磺酸钠(SDBS)对罗丹明6G的同步荧光有猝灭作用,SDBS的浓度在0.028~50μg/m L范围内与lg(F0/F)呈良好的线性关系,方法的检出限为0.524μg/L。据此建立了同步荧光猝灭测定...在p H 3.0磷酸氢二钠-柠檬酸缓冲液中,Δλ=25 nm,十二烷基苯磺酸钠(SDBS)对罗丹明6G的同步荧光有猝灭作用,SDBS的浓度在0.028~50μg/m L范围内与lg(F0/F)呈良好的线性关系,方法的检出限为0.524μg/L。据此建立了同步荧光猝灭测定微量十二烷基苯磺酸钠的新方法,该方法可用于水中十二烷基苯磺酸钠含量的测定。展开更多
Spectrophotometry usually has a high sensitivity in determining the complexation of TAPP with metal ions. Therefore, as an excellent color-producing reagent, TAPP has already been used for the spectrophotometric deter...Spectrophotometry usually has a high sensitivity in determining the complexation of TAPP with metal ions. Therefore, as an excellent color-producing reagent, TAPP has already been used for the spectrophotometric determination of trace amounts of mercury (Ⅱ), cobalt (Ⅱ), manganese(Ⅱ), zinc (Ⅱ) and cadmium (Ⅱ)etc..展开更多
文摘在p H 3.0磷酸氢二钠-柠檬酸缓冲液中,Δλ=25 nm,十二烷基苯磺酸钠(SDBS)对罗丹明6G的同步荧光有猝灭作用,SDBS的浓度在0.028~50μg/m L范围内与lg(F0/F)呈良好的线性关系,方法的检出限为0.524μg/L。据此建立了同步荧光猝灭测定微量十二烷基苯磺酸钠的新方法,该方法可用于水中十二烷基苯磺酸钠含量的测定。
基金Supported by the National Natural Science Foundation of China
文摘Spectrophotometry usually has a high sensitivity in determining the complexation of TAPP with metal ions. Therefore, as an excellent color-producing reagent, TAPP has already been used for the spectrophotometric determination of trace amounts of mercury (Ⅱ), cobalt (Ⅱ), manganese(Ⅱ), zinc (Ⅱ) and cadmium (Ⅱ)etc..