铜基营养保护剂悬浮浓度快速测定方法的研究  

Rapid determination method for suspension concentration of copper-based nutritional protective powder

作　　者：徐睿[1] 张民[1] 

机构地区：[1]土肥资源高效利用国家工程实验室,国家缓控释肥工程技术研究中心,山东农业大学资源与环境学院,山东泰安271018

出　　处：《中国测试》2013年第4期36-39,共4页China Measurement & Test

基　　金：十二五"国家科技支撑计划(2011BAD11B01;2011BAD11B02);国家"948"重点项目(2011G30);山东省农业科技成果转化资金项目(鲁科农字[2010]79号)

摘　　要：该文选取5种铜基营养保护剂,通过采用离心干燥法、比浊法、铜氨比色法测定其悬浮浓度,并分别与直接烘干法测得的悬浮浓度建立相关方程,探讨铜基营养保护剂悬浮浓度快速测定的方法。结果表明:铜氨比色法能够快速准确地测定铜基营养保护剂的悬浮浓度,平均相对误差小于5%,同时可较大缩短分析时间(检测时间由原来的24h缩短为30min),显示出了明显的优越性,为快速分析铜基营养保护剂提供了新方法。In order to find the rapid determination methods of suspension concentration, five copper- based nutritional protective powders were studied by using three methods namely centrifuge drying method, turbid colorimetric method and copper ammonia colorimetric method to establish correlation equations with the results obtained from direct drying method. The results showed that the copper ammonia colorimetric method could accurately measure the suspension concentrations of copper-based nutritional protective powders, the average relative error was less than 5% and the test time was much less than before from the original 24 hours to 30 minutes. This method had outstanding advantages and provided new way for the determination of copper-based nutritional protective powders.

关 键 词：铜基营养保护剂 悬浮浓度 快速测定 铜氨比色法 

分 类 号：TQ45[化学工程—农药化工] TQ455.1