自动电位滴定仪计量性能测量结果的不确定评定

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【摘要】自动电位滴定仪是一种分析仪器,常用于容量分析,设计原理为电位滴定法。本文依据JJG 814—2015《自动电位滴定仪》检定规程,介绍了评定自动电位滴定仪电计示值误差、滴定管容量误差和仪器示值误差测量结果不确定度的方法。

【关键词】自动电位滴定仪;电计示值误差;滴定管容量误差;仪器示值误差;不确定度

【DOI编码】10.3969/j.issn.1674-4977.2023.05.012

Evaluation of Uncertainty of Metering Performance of Automatic Potentiometric Titration

WANG Lin, DONG Jia, ZOU Zhenlong

(Liaoning Institute of Measurement, Shenyang 110004, China)

Abstract: Automatic potentiometric titrator is an analytical instrument for capacity analysis which is designed according to the principle of potentiometric titration. This paper analyzes the evaluation of uncertainty of volume error of titration tube and indication error of automatic potentiometric titration according to the verification regulation of JJG 814—2015Automatic Potentiometric Titrators.

Key words: automatic potentiometric titration; electrometer error; volume error; indication error; uncertainty

根据JJG 814—2015《自动电位滴定仪》对自动电位滴定仪的检定,主要包括3个部分:电计部分、滴定管部分、仪器示值部分。(剩余3502字)

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