REAGENT FOR LEAD CONCENTRATION DETERMINATION AND METHOD OF DETERMINING LEAD CONCENTRATION
申请人:Asano Takaharu
公开号:US20090263907A1
公开(公告)日:2009-10-22
To provide a lead concentration determination reagent which realizes accurate determination of the lead concentration of a sample solution in a simple manner with safety, even when the sample solution contains zinc ions, and a lead concentration determination method making use of the reagent.
The lead concentration determination reagent contains (A) a porphyrin derivative and (B) at least one species selected from among ethylenediamine-N,N′-dipropionic acid, ethylenediamine-N,N′-diacetic acid, and 1,6-diaminohexane-N,N,N′,N′-tetraacetic acid.
提供一种铅浓度测定试剂,即使样品溶液含有锌离子,也可以在安全的情况下简单地实现对样品溶液中铅浓度的准确测定,并提供一种利用该试剂的铅浓度测定方法。该铅浓度测定试剂包含(A)卟啉衍生物和(B)从乙二胺-N,N′-二丙酸、乙二胺-N,N′-二乙酸和1,6-二氨基己烷-N,N,N′,N′-四乙酸中至少选择一种的物种。