第 33 卷第 1 期 | | Vol. 33 No. 1 | 2003 年 2 月 | Feb 2003 |
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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 |
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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 |
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收稿日期:2002-09-03
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