SIST EN ISO 15796:2008

Oznaka standarda: SIST EN ISO 15796:2008
Koda projekta: CSN21056
Organizacija: SIST
Naslov (angleški): Gas analysis - Investigation and treatment of analytical bias (ISO 15796:2005)
Naslov (slovenski): Analiza plinov - Študija in določanje biasa (ISO 15796:2005)
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SIST EN ISO 15796:2008 angleški jezik Active SIST-I: 78.10 EUR
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Tehnični odbor: NAD - Naftni proizvodi, maziva in sorodni proizvodi
ICS: 71.040.40
Status: Objavljen
Objavljen: 01-okt-2008
Refer. št. objave: Sporočila 2008-10
Področje projekta (angleško): This International Standard specifies generic methods for detecting and correcting bias (systematic errors) of analytical procedures for the analysis of gases, using reference gas mixtures or reference analytical procedures, as well as for estimating the correction uncertainty. The main sources of (and parameters affecting) bias of analytical procedures are instrumental drift (time) and matrix interferences (matrix composition). Moreover, bias normally varies with analyte concentration. This International Standard specifies generic methods for detecting and correcting bias (systematic errors) of analytical procedures for the analysis of gases, using reference gas mixtures or reference analytical procedures, as well as for estimating the correction uncertainty. The main sources of (and parameters affecting) bias of analytical procedures are instrumental drift (time) and matrix interferences (matrix composition). Moreover, bias normally varies with analyte concentration. This served pattern of deviations and correcting for their effect, b) averaging over their effects and increasing the uncertainty, where normally the first option entails lower uncertainty at the expense of higher effort. For the convenience of the user, the methods specified in this International Standard are described for procedures of composition analysis, i.e. procedures for measuring the concentration of a specified analyte in a gas mixture. However, they are equally applicable to measurements of physico-chemical properties of a gas or gas mixture relevant to gas analysis, and translation into this subject field is straightforward.

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