吡啶-碱-联苯胺-甲酸分光光度法测定磷肥中微量三氯乙醛  

Determination on Trace Trichloroacetaldehyde in Phosphate Fertilizer by Spectrophtometry of Pyridine-alkali-benzidine-formic Acid

作　　者：陈玉波[1] 姚业峰[1] 陆富生[1] 熊金龙 沈莉莎[1] 陶宏[1] 王未鲜[1] 

机构地区：[1]淮安市产品质量监督检验所,江苏淮安223001

出　　处：《化工时刊》2010年第8期39-40,共2页Chemical Industry Times

摘　　要：对传统吡啶-碱目视比色法进行了改进,并将其应用到磷肥中三氯乙醛的检测中,结果表明吡啶-碱-联苯胺-甲酸分光光度法显色稳定,测定精度高,准确度好,可用于磷肥中三氯乙醛的测定。The traditional pyridine-alkali visual colorimeyry has been improved in this paper,and it is used in the determination of trace trichloroacetaldehyde in phosphate fertilizer.The results show that pyridine-alkali-benzidine-formic acid spectrophotometry is stable for color and high precision and accuracy.This method can be used for the determination of phosphate in the chloral.

关 键 词：吡啶-碱-联苯胺-甲酸 磷肥 三氯乙醛 

分 类 号：TQ442[化学工程—化学肥料工业]