MODULAR RECORDING TITRIMETER FOR USE WITH LUMINESCENT ENDPOINT DETECTION.

被引：0
作者：
Duewer, David L.
Christian, Gary D.
机构：
来源：
Chemical, Biomedical, and Environmental Instrumentation | 1979年 / 9卷 / 04期
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D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A recording titrimeter for use with luminescent endpoint detection is described. The titrimeter consists of a low-cost photomultiplier tube. The titrimeter consists of a low-cost photomultiplier tube, regulated high voltage supply, electrometer, chart recorder, and peristalic pump. A reaction cell based upon a 10 mm pathlength spectrophotometer cuvet and suitable for luminescence detection at high ambient light level is also described. The precision attainable with the titration system was determined with an acid-base titration using a modified reaction cell suitable for photometric titrations. A procedure suitable for determining Ca** plus **2 in the presence of at least five-fold Mg** plus **2 at the nanomole level is described, using the luminol-hydrogen peroxide reaction as the endpoint indicator.
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页码：373 / 393
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