title: Micro-phase sorbent extraction for trace analysis via in situ sorbent formation: application to the preconcentration and the spectrophotometric determination of trace ammonia.
authors.affiliation: Department of Environmental Biology and Chemistry, Faculty of Science, Toyama University, Gofuku, Japan. noriko@sci.toyama-u.ac.jp
authors.forename: Noriko
authors.initials: N
authors.lastname: Hata
authors.forename: Issei
authors.initials: I
authors.lastname: Kasahara
authors.forename: Shigeru
authors.initials: S
authors.lastname: Taguchi
mesh_terms: D000042:Absorption; D000641:Ammonia / Q000032:analysis*; D000838:Anions; D001548:Benzalkonium Compounds / Q000032:analysis; D002412:Cations; D002498:Centrifugation; D002851:Chromatography, High Pressure Liquid / Q000379:methods; D005618:Fresh Water / Q000032:analysis; D006863:Hydrogen-Ion Concentration; D006997:Hypochlorous Acid / Q000032:analysis; D007211:Indoles / Q000032:analysis; D009584:Nitrogen / Q000032:analysis; D013053:Spectrophotometry / Q000379:methods*; D013501:Surface-Active Agents / Q000032:analysis; D013943:Thymol / Q000032:analysis; D014876:Water Pollution / Q000032:analysis*
chemical_list: D000838:Anions; D001548:Benzalkonium Compounds; D002412:Cations; D007211:Indoles; D013501:Surface-Active Agents; C005883:zephiramine; D013943:Thymol; C034082:indoxyl; D006997:Hypochlorous Acid; D000641:Ammonia; D009584:Nitrogen