第 33 卷第 1 期Vol. 33 No. 1
2003 年 2 月Feb 2003

所属栏目:分析与测试

复混肥料中氯化物测定
王哲丹; 宋强勇(湖南洞庭氮肥厂复肥研究所; 湖南化肥农药质检站; 410007)
摘 要:用硝酸钙排除磷酸盐干扰 ,拟定了以硝酸银直接滴定复混肥料中氯化物测定的方法 ,具有准确、快速、简单。标准偏差 0 .0 5 3%~ 0 .12 % ,相对标准偏差 0 .34%~ 9.1%。
关键词:氯化物; 滴定; 复混肥料
中图分类号:TQ124.4  文献标识码:A  文章编号:1009-9212(2002)06-0056-02
The Determination of Chloride in Compound Fertilizer
WANG Zhe-dan; et al.(Hunan Dongting Nitrogenous Fertilizer Factory Yueyang; 414003; China)
Abstract:The interferences of phosphate were excluded by the addition of calcium nitrate. A accurate and fast method of direct titration chloride by sliver nitrate in compound fertilizer was established. With standard error 0.053~0 12 and relative error 0.34~9.10
Key words:chloride; titration; fertilizer
收稿日期:2002-09-03
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