钼酸铵分光光度法测定水质总磷空白值偏高问题  

Problem of High Blank Value of TP in the Determination of Water Quality by Ammonium Molybdate Spectrophotometer

作　　者：高彩霞 蔡国飞 戴建军 GAO Cai-xia;CAI Guo-fei;DAI Jian-jun(Chizhou Nanhuan Environmental Protection Technology Co.,Ltd.,Chizhou 247100,China;Jiangsu Nanda Huaxing Science and Technology of Environmental Protection Co.,Ltd.,Yancheng 224000,China)

机构地区：[1]池州南环环保科技有限公司,安徽池州247100 [2]江苏南大华兴环保科技股份公司,江苏盐城224000

出　　处：《化工管理》2021年第28期19-20,共2页Chemical Engineering Management

摘　　要：总磷是水体质量评价的一项重要指标,其在样品采集保存和实验室测定过程中容易受到各类干扰,历来是水质监测工作中的难点。文章结合实际工作中的经验,分析并探讨了钼酸铵分光光度法测定水中总磷测定过程中的各类干扰因素的影响,分析了造成总磷测定过程中空白高的原因及解决办法。Total phosphorus(TP)is an important index for water quality assessment.It is easily disturbed in the process of sample collection and storage and laboratory determination,and has always been a diff icult problem in water quality monitoring.Based on the experience of practical work,this paper analyzes and probes into the influence of various interference factors in the determination of total phosphorus in water by ammonium molybdate spectrophotometer,and analyzes on the reasons for the blank height in the determination of total phosphorus and the solving methods.

关 键 词：水质总磷 钼酸铵分光光度法 空白高 

分 类 号：O65[理学—分析化学]