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肥料检测中喹钼柠酮溶液沉淀剂的有效性验证方法研究 被引量:1

Research on validation method for quimoline phosphomolybdate solution in determination of fertilizer
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摘要 建立了一种肥料检测中喹钼柠酮溶液沉淀剂的有效性验证方法。对磷酸二氢钾称样量、硝酸溶液的影响等方面进行了研究,确定了方法条件。采用验证方法分析磷酸二氢钾中五氧化二磷含量,与理论值(52.21%)进行比较,考虑测定的误差,分析结果小于52.0%时,判定喹钼柠酮溶液失效。该方法精密度良好,准确度高,适用于肥料检测中喹钼柠酮溶液沉淀剂的有效性验证。 A method in the study of validation for quimoline phosphomolybdate solution in determination of fertilizer was developed.The sample weighing of potassium dihydrogen phosphate and the influence of nitric acid solution were studied,and the method conditions were determined.The content of phosphorus pentoxide in potassium dihydrogen phosphate was analyzed by validation method and compared with the theoretical value(52.21%).Considering the measurement error,the failure of quimoline phosphomolybdate solution was judged when the analysis result was less than 52.0%.The method has good precision and high accuracy,and is suitable for the validation verification of quimoline phosphomolybdate solution in determination of fertilizer.
作者 谭冬明 石相莉 莫浩越 彭慎 TAN Dong-ming;SHI Xiang-Ii;MO Hao-yue;PENG Shen(Guilin Product Quality Testing Institute,Guilin Guangxi 541004)
出处 《中国土壤与肥料》 CAS CSCD 北大核心 2019年第4期218-220,共3页 Soil and Fertilizer Sciences in China
关键词 肥料 喹钼柠酮 有效性 验证 fertilizer quimoline phosphomolybdate validation verification
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