Bai Xiao-lin
2006
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Journal
Journal of Anshan University of Science and Technology
Abstract
Dichromate method is a common method to determine chemical oxyen demand,which is also the stipulated method in state standard GB11914-89,but the calculation of its uncertainty was never reported.Thereforce,the concept of uncertainty was used to identify and analyze the sources of uncertainty in dichromate method of determining chemical oxyen demand.Aimed at one determination result,the uncertainty scale was quantified.