Fluorimetric flow-injection determination of hydroperoxides in foodstuffs
✍ Scribed by Tomás Pérez-Ruiz; Carmen Martínez-Lozano; Virginia Tomás; Otilia Val
- Book ID
- 103710597
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- English
- Weight
- 416 KB
- Volume
- 46
- Category
- Article
- ISSN
- 0308-8146
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A flow-mJectlon method with photochemlcally Induced fluorescence (PF) or native fluorescence (NF) detectlon was developed for the determmatlon of four sulphonamldes Sulphamethazme was determmed usmg PF and sulphamlamtde, sulphaguamdme and sulphacetanude using NF Linear cahbratlon graphs were obtamed
2-[(2-Ammo-5-methylphenoxyhnethyl)-6-metho~-8-am~n~u~nol~ne-N, N, N ', N '-tetraacetlc acid (Qum 2) reacts with c&rum ion to form a fluorescent complex (A(ex) 328 nm, A(em) 496 nm) Calcmm m brme could be determmed with Qum 2 m the presence of at least 24 mg I-' magnesium with a simple flow-mjectlon