电化学方法在无机磷酸盐检测中的应用  

Applications of electrochemical methods in inorganic phosphate detection

作　　者：吴甜甜 黄赣辉[1] WU Tiantian;HUANG Ganhui(State Key Laboratory of Food Science and Technology,Nanchang University,Nanchang,330047,China)

机构地区：[1]南昌大学食品科学与技术国家重点实验室,南昌330047

出　　处：《环境化学》2021年第9期2854-2863,共10页Environmental Chemistry

基　　金：国家自然科学基金(31360387)资助。

摘　　要：过多的磷将导致严重的生态环境和生理健康危害,包括水体富营养化,水生生物死亡以及人类的高磷血症等.因此,针对磷酸盐检测技术的研究变得至关重要.与传统比色法相比,电化学方法具有很多优势,包括选择性强,成本低,响应时间短且能满足在线监测的要求.本篇综述讨论电化学传感器在检测无机磷酸盐方面的研究进展,按照使用的电化学检测技术(电位法、安培法、伏安法、电导分析法等)对各种传感器进行分类.根据灵敏度、特异性、应用范围以及现场测量适用性等性能,对各类传感器的优劣势进行分析比较.Excess phosphate in water could lead to serious ecological and physiological problems,including eutrophication,death of aquatic organisms and hyperphosphatemia of people.Hence,it is necessary and exigent to study analytical techniques for detection of phosphate.Electrochemical methods for phosphate sensing have many advantages over colourimetry,including excellent selectivity,cost-effectiveness,short response time and online operation.The review considers the progress in the development of phosphate sensors prepared by electrochemical methods.The various sensing strategies can be classified as potentiometry,amperometry,voltammetry,conductometric analysis and others on the basis of electrochemical detection technology.The advantages and disadvantages of various phosphate sensors are assessed detailedly in this review on basis of their performances,including sensitivity,selectivity,application and suitability for field measurements.

关 键 词：无机磷酸盐 电化学传感 电位法 安培法 生物传感器 

分 类 号：O657.1[理学—分析化学] X832[理学—化学]