复混肥料中氯离子测定方法比较  

Comparison of Determination Methods of Chloride Ion in Compound Fertilizer

作　　者：王文正[1] 丁蕊艳[1] 李腾[1] 张丙春[1] WANG Wen-zheng;DING Rui-yan;LI Teng(Institute of Quality Standards,Shandong Academy of Agricultural Sciences,Jinan,Shandong 250100)

机构地区：[1]山东省农业科学院质量标准研究所,山东济南250100

出　　处：《安徽农业科学》2018年第32期170-172,共3页Journal of Anhui Agricultural Sciences

基　　金：国家重点研发计划项目(2016YFD0501407)

摘　　要：[目的]用2种方法测定复混肥料中的氯离子含量,研究2种方法间的差异。[方法]用国标法和硝酸银直接滴定法分别测定复混肥料中的氯离子含量。[结果]硝酸银直接滴定法与国标法无显著差异,硝酸银直接滴定法操作简单、快速、试剂消耗少、成本低。[结论]用硝酸银滴定法测定复混肥料中的氯离子结果准确,操作简单快速,试验成本低。[Objective]The chloride ion content in the compound fertilizer was determined by two methods,and the difference between the two methods was studied.[Method]Chloride ion in compound fertilizer were determined by national standard method and silver nitrate titration method.[Result]There was no significant difference between silver nitrate titration method and the national standard method.Silver nitrate titration method was simple operate,fast,less reagent consumption and low cost.[Conclusion]The determination of chloride ion in compound fertilizer by silver nitrate titration method is accurate,simple operate,fast and low cost.

关 键 词：复混肥料 氯离子 国标法 硝酸银滴定法 

分 类 号：S143[农业科学—肥料学]