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Nitrosamines as environmental carcinogens. II. Evidence for the presence of nitrosamines in tobacco smoke condensate.
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1966
Year
BiochemistryEnvironmental CarcinogensMedicineNatural SciencesBioanalysisN -NitrosaminesReactive Nitrogen SpecieThin Layer ChromatographyToxicologyAnalytical ChemistryBiologic MaterialEnvironmental ToxicologyChemistryTobacco Smoke CondensatePharmacologyNitrosative StressChromatographyDrug Analysis
Summary Trace amounts of N -nitrosamines in biologic material were determined qualitatively and semiquantitatively by conversion of the nitrosamines into the corresponding asymmetrical hydrazines. The hydrazines were selectively concentrated by extraction technics and identified by means of thin layer chromatography after reaction with 4-nitro-azobenzene-4′-carboxylic acid chloride.