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Flow-injection determination of oxalate by a photoinduced chemiluminescent reaction

✍ Scribed by Tomás Pérez-Ruiz; Carmen Martinez-Lozano; Antonio Sanz; Otilia Val

Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
593 KB
Volume
284
Category
Article
ISSN
0003-2670

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✦ Synopsis

A new approach for the sensitive determination of oxalate was developed. Iron(B) generated in the photochemical decomposition of iron(III)-oxalate complex was measured by its catalysis of the chemiluminescent luminol reaction in the abscence of added oxidant. A flow-injection configuration is proposed for the determination of oxalate over a concentration range of 1.0 X lo-'-1.0 X 10e4 M with a throughput of 30 samples/h. The effect of a large number of potential interferents was investigated and a method devised for the determination of oxalate in urine.

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Determination of amines by flow-injection analysis based on aryl oxalate-Sulphorhodamine 101 chemiluminescence
✍ Masatoki Katayama; Hideyuki Takeuchi; Hirokazu Taniguchi 📂 Article 📅 1993 🏛 Elsevier Science 🌐 English ⚖ 626 KB

A flow-injection method for amines based on atyl oxalate-Sulphorhodamine 101 chemilmnmescence is described. Fifty-five abphatic. aromatic and hetemcyclic amines were studied by the proposed method without a derivatization reaction or expensive apparatus. 'lkenty-eight amines were detected at levels