Tobacco Science & Technology, 2012, 5, p. 31-34, ISSN.1002-0861
Uncertainty in determination of benzoic acid in tobacco casing by HPLC
(1) Tobacco Research Institute of Ganzhou, Ganzhou 341000, Jiangxi, P.R. China; (2) Jiangxi Provincial Tobacco Company, Nanchang 330025, P.R. China
In order to improve the accuracy of test results, the uncertainty in the determination of benzoic acid in tobacco casing by HPLC was systematically calculated according to JJF 1059-1999 Evaluation and Expression of Uncertainty in Measurement. The...