摘要
以含水量85％的O/W型SDS/正丁醇/正庚烷/水微乳液为介质进行Zn(Ⅱ)-PAN微量测定,ε=5.15×10~4L·mol^(-1)·cm^(-1),与以相同含水量的SDS胶束体系(ε=3.51×10~4L·mol^(-1)·cm^(-1)比较,测定灵敏度显著增加,某些实验条件改善。
The spectrophotometric determination of Zn is studied with 1-(2-pyridylazo)-2-naphthol in the sodium dodecyl sulphate/n-butanol/n-heptane/water microemulsion medium (water content of 85％). The apparent molar absorptivity is 5.15×10~4L·mol^(-1)·cm^(-1) at 550 nm. Beer's law is obeyed in the range of 0～8.4μg/1Oml for Zn.
出处
《分析化学》
SCIE
EI
CAS
CSCD
北大核心
1992年第4期452-454,共3页
Chinese Journal of Analytical Chemistry
关键词
锌
光度法
吡啶偶氮萘酚
微乳液
Zinc, 1-(2-Pyridylazo)-2-naphthol, Sensitive reaction, Microemulsion.
