Liquid waveguide capillary cell for the spectrophotometric determination of nanomolar iodate concentrations in marine waters  

作　　者：Jianrong Lin 

机构地区：[1]Key Laboratory of Estuarine Ecological Security and Environmental Health of Fujian Province University,Tan Kah Kee College,Xiamen University,Zhangzhou 363105,China

出　　处：《Acta Oceanologica Sinica》2022年第3期103-108,共6页海洋学报（英文版）

基　　金：The Zhangzhou Natural Science Foundation of Fujian under contract No.ZZ2020J29。

摘　　要：A new spectrophotometric method based on a liquid waveguide capillary cell for an enhanced detection was developed to measure nanomolar iodate concentrations.This method has a detection limit and precision of 1-2 nmol/L,which is equivalent to 10%that of conventional methods,a recovery of 97.7%-104.0%,and a working range of 10-120 nmol/L.Water samples were collected from three estuaries and one coastal ocean for testing,and the proposed technique detected as low as 11 nmol/L and 18 nmol/L iodate in these samples.This newly developed method is helpful in understanding the biogeochemical cycle of iodine in nature.

关 键 词：IODATE liquid waveguide capillary cell spectrophotometric determination 

分 类 号：P714[天文地球—海洋科学]