A constant current coulometer for the high precision analysis of uranium

Finoly, G.; Leidert, W.; Stüber, W.; Duigou, Y. Le; Bickel, M.

doi:10.1007/s002160050499

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2023

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Cited by 3 publications

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“…Since then, several NMIs [14,[74][75][76][77] have described state-of-the-art systems. Table 3 presents a summary of constant-current coulometric analyses implemented at NMIs, classified by analyte and titrant.…”

Section: Applicationsmentioning

confidence: 99%

Major applications of electrochemical techniques at national metrology institutes

2009

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Section: Applicationsmentioning

confidence: 99%

Major applications of electrochemical techniques at national metrology institutes

2009

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“…A detailed description of the measuring system and a better understanding of the uncertainty of measurement results can improve the reliability of measurement results. Several studies have reported the development of accurate and precise coulometry systems [14][15][16]. However, little attention has been given to providing detailed descriptions of the system and conducting a systematic evaluation of the measurement uncertainty associated with the system.…”

Section: Introductionmentioning

confidence: 99%

Development of a coulometry system at the Korea Research Institute of Standards and Science and evaluation of the measurement uncertainty originating from the system

Jo,

Lim,

Lee

et al. 2023

Metrologia

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Coulometry is used to realize the definition of the mole and enables the direct determination of the purity of high-purity substances that are used as standards for other relative measurements with very small measurement uncertainty. However, despite several studies reporting the development of accurate and precise coulometry systems, there is a lack of detailed description of the system and systematic evaluation of the measurement uncertainty arising from the system. In this study, coulometry systems constructed at the Korea Research Institute of Standards and Science (KRISS) are described in detail and the uncertainties associated with these systems are systematically evaluated using a bottom-up approach. The relative expanded uncertainty resulting from the measurement system for the amount-of-substance content of acid in high-purity potassium hydrogen phthalate is approximately 0.0005 %. The performance of the KRISS coulometry systems has been verified through several international comparisons and comparative measurements using certified reference materials.

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Coulometric methods for uranium and plutonium determination

Momotov

Erin

2017

Radiochemistry

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A constant current coulometer for the high precision analysis of uranium

Cited by 3 publications

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Major applications of electrochemical techniques at national metrology institutes

Major applications of electrochemical techniques at national metrology institutes

Development of a coulometry system at the Korea Research Institute of Standards and Science and evaluation of the measurement uncertainty originating from the system

Coulometric methods for uranium and plutonium determination

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