Tobacco Science & Technology, 2011, 11, p. 30-31., ISSN.1002-0861
Rapid determination of potassium, sodium and calcium in cigarette paper with ultrasonic extraction-continuous flow method
Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China
In order to monitor cigarette paper quality, the contents of potassium (K), sodium (Na) and calcium (Ca) in cigarette paper were rapidly determined by ultrasonic extraction-continuous flow method. The recoveries of K, Na and Ca were 99.2%, 98.6% and...