Effect of the Absorbance of a Flowing Liquid on the Error of the Refractive Index Measured with a Differential Refractometer

被引：5
|
作者：
Davydov, V. V. [1 ]
Moroz, A., V [1 ]
机构：
[1] St Petersburg Polytech Univ, St Petersburg 195251, Russia
来源：
OPTICS AND SPECTROSCOPY | 2020年 / 128卷 / 09期
关键词：
refractive index; flowing liquid; differential refractometer; measurement error; SYSTEM;
D O I：
10.1134/S0030400X20090076
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We determined the factors that affect the measurement error of the refractive indexnin a flowing liquid (a change in its absorbance and temperature). When a flow-through differential refractometer is used to measure the refractive index of a flowing liquid, the error in measuring is additionally affected by the scattering of radiation in the cell converter and the wedge shape of the cell glasses. A new differential refractometer is developed designed for studying the effect of the absorbance of a flowing liquid on the measurement error of the refractive index. New results are obtained confirming this effect, and a new procedure for compensating it is proposed.
引用
收藏
页码：1415 / 1420
页数：6
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