1999
DOI: 10.1051/analusis:1999270479
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La métrologie en chimie. Quelques principes et beaucoup d'incertitudes

Abstract: Introduction L'actualité de l'analyse chimiqueIl est devenu une évidence que dans la plupart des domaines de l'activité socio-économique, il est fait de plus en plus appel à l'analyse chimique. Partout dans le monde, le résul-tat analytique est la base sur laquelle sont établies et véri-fiées les hypothèses scientifiques, élaborées et contrôlées les productions industrielles, discutés des accords commerciaux, évaluées les pollutions, établis des diagnostics et des traitements médicaux, fixées des normes, et sa… Show more

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(3 citation statements)
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“…• The calibration of certain methods allows to establish the substance signal-quantity interaction (e.g., UV spectroscopy, colorimetry, atomic emissions, chromatography, etc.). The calibration should be done by using the RMs and taking into account the nature of the matrix as much as possible (21). This makes it possible to obtain quantitative results through the comparison of the sample signals and those of the RM (22).…”
Section: Role Of Reference Materialsmentioning
confidence: 99%
See 1 more Smart Citation
“…• The calibration of certain methods allows to establish the substance signal-quantity interaction (e.g., UV spectroscopy, colorimetry, atomic emissions, chromatography, etc.). The calibration should be done by using the RMs and taking into account the nature of the matrix as much as possible (21). This makes it possible to obtain quantitative results through the comparison of the sample signals and those of the RM (22).…”
Section: Role Of Reference Materialsmentioning
confidence: 99%
“…For the different areas of measurements and testing, there are several RMs and CRM providers. There is a need to ensure the availability of sufficient quantities of these materials as well as their availability in the long term, even if their production is long and expensive (21). Given the growth of the RM market and the diversity of producers, finding the right choice has become difficult for users.…”
Section: Producers Of Reference Materialsmentioning
confidence: 99%
“…result uncertainty, in order to facilitate result comparison and interpretation [1,2]. The advantages of such practices are already described [3], and the reporting of result uncertainty is increasingly requisite in matters related to government regulation, industrial production, international trade and for a multitude of applications carried out according to fixed norms [4]. This puts chemists/analysts under increasing pressure in order to demonstrate the quality of their results.…”
Section: Introductionmentioning
confidence: 99%