2014•The Chinese Journal of Modern Applied PharmacyRequires access

Uncertainty Evaluation on the Concentration of Potassium Dichromate Volumetric Solution

Cheng Yin

Abstract

OBJECTIVE To established a method for uncertainty evaluation on the concentration of volumetric solution.METHODS The calculation formula of uncertainty was deduced in the procedure of preparation of the solution.RESULTS Each components of uncertainty was calculated by analyzing the various variable parameters in the procedures.The combined uncertainty was then finally obtained by synthesizing the uncertainties of various component variables.CONCLUSION The mathematic model of uncertainty measurement established in this paper is reasonable and reliable.

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Key concepts: Potassium dichromate, Measurement uncertainty, Standard uncertainty, Uncertainty analysis, Variable (mathematics), Mathematics, Component (thermodynamics), Biological system