“永停”终点法测定2-萘胺-1-磺酸中的总氨基值  

The Determination for the Value of Amino-group in 2-Aminonaphthalene-1-sulfonic Acid with the Method of“Permanent Stop

作　　者：崔爱红[1] 王晓云[1] 

机构地区：[1]山东省化工研究院

出　　处：《山东化工》1998年第3期43-44,共2页Shandong Chemical Industry

摘　　要：本文提出了“永停”终点法指示终点的反重氮化滴定方法，其滴定终点的判定快速、灵敏、准确。方法用于２－萘胺－１－磺酸中总氨基值的测定，取得了满意的结果。A method for the reverse diazotization titration has been developed with the method of 'permanent stop'to indicate the tirminal point of titration.In this way,tirminal point is decided rapidly,sensitively and accurately.This method has been used to determine the value of amino-group in 2-Aminaophthalene-1-Sulfonic Acid.

关 键 词：终点法 滴定 磺酸 氨基值 伯胺 芳香族 

分 类 号：TQ246.32[化学工程—有机化工] O655.2[理学—分析化学]