采用β-环糊精同步衍生化磷光法测定灌溉水中的1-萘酚和2-萘酚

Synchronous-derivative phosphorimetric determination of 1- and 2-naphthol in irrigation water by employing beta-cyclodextrin.

作者信息

Hernández López M, Algarra González M, Isabel López Molina M

机构信息

Department of Analytical Chemistry, Faculty of Sciences, University of Málaga, Campus de Teatinos s/n, 29071 Malaga, Spain.

出版信息

Talanta. 1999 Jul;49(3):679-89. doi: 10.1016/s0039-9140(99)00067-3.

DOI:10.1016/s0039-9140(99)00067-3

PMID:18967644

Abstract

A room-temperature phosphorimetric (RTP) study of the inclusion process between 1- and 2-naphthol, beta-cyclodextrin (beta-CD) and 3-bromo-1-propanol as heavy atom pertuber has been performed. Experimental conditions were optimized for the formation of trimolecular complexes with lifetimes of 10.82 and 9.41 ms for 1- and 2-naphthol, respectively. A synchronous-derivative room-temperature phosphorimetric method has been proposed to the analysis of both naphthols in synthetic mixtures and irrigation water in the ratio 1:10 to 10:1; the limit of detection is 0.02 mug ml(-1) and the relative standard deviation (RSD) is about 6%.

摘要

进行了一项关于1-萘酚和2-萘酚、β-环糊精（β-CD）以及作为重原子微扰剂的3-溴-1-丙醇之间包合过程的室温磷光（RTP）研究。优化了实验条件以形成三分子配合物，1-萘酚和2-萘酚形成的三分子配合物的寿命分别为10.82和9.41毫秒。提出了一种同步导数室温磷光法，用于分析合成混合物中两种萘酚以及比例为1:10至10:1的灌溉水中的萘酚；检测限为0.02μg ml⁻¹，相对标准偏差（RSD）约为6%。