Global surveillance of oral tobacco products: total nicotine, unionised nicotine and tobacco-specific N-nitrosamines.

Abstract

OBJECTIVE Oral tobacco products contain nicotine and carcinogenic tobacco-specific N-nitrosamines (TSNAs) that can be absorbed through the oral mucosa. The aim of this study was to determine typical pH ranges and concentrations of total nicotine, unionised nicotine (the most readily absorbed form) and five TSNAs in selected oral tobacco products distributed… (More)
DOI: 10.1136/tc.2010.037465

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