Determination of nitrite and nitrate in tobacco by ion chromatography with UV/VIS detection

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Nitrite in tobacco facilitates the release of tobacco-specific nitrosamines. Most of these nitrosamines are carcinogenic. Therefore, the determination of nitrite in tobacco is required. This application describes the determination of nitrite and nitrate in acetic acid extracts of tobacco. The ion chromatographic separation is followed by UV/VIS detection after sequential suppression.