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  • P-ISSN 1225-0163
  • E-ISSN 2288-8985

An evaluation of uncertainty of random effects with correlation - gravimetric preparation of standard gas-

Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2003, v.16 no.1, pp.90-93




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Abstract

The standard uncertainties of two different approaches using the same data set are compared and evaluated using an example of gravimetric standard gas preparation. It is shown that the correlation between input quantities should be taken into account for the proper evaluation of uncertainty resulting from random effects.

keywords
Uncertainty, Standard gas, Random effect, Correlation, GUM


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