title: General review of approaches to nitrosamine analysis: derivative formation.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D005504:Food Analysis; D006834:Hydrazines; D009573:Nitrites / Q000032:analysis; D009602:Nitrosamines / Q000032:analysis / Q000138:chemical synthesis*; D010084:Oxidation-Reduction; D012906:Smoke / Q000032:analysis
chemical_list: D006834:Hydrazines; D009573:Nitrites; D009602:Nitrosamines; D012906:Smoke