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Titolo: APPARATUS FOR THE FLOW-INJECTION ANALYSIS OF L-CYSTINE
Autore: IKEDA S; SATAKE H;
- Indirizzi:
- UNIV TOKUSHIMA,FAC ENGN,DEPT CHEM SCI & TECHNOL,2-1 MINAMIJOSANJIMA CHO TOKUSHIMA 770 JAPAN
- Titolo Testata:
- Bunseki Kagaku
fascicolo: 3,
volume: 43,
anno: 1994,
pagine: 247 - 250
- SICI:
- 0525-1931(1994)43:3<247:AFTFAO>2.0.ZU;2-8
- Fonte:
- ISI
- Lingua:
- JPN
- Keywords:
- FLOW INJECTION SYSTEM FOR L-CYSTINE DETERMINATION; AMPEROMETRIC DETECTOR; GLASSY CARBON ELECTRODE SILVER WIRE ELECTRODE; SODIUM SULFITE CARRIER SOLUTION;
- Tipo documento:
- Article
- Natura:
- Periodico
- Settore Disciplinare:
- Science Citation Index Expanded
- Citazioni:
- 3
- Recensione:
- Indirizzi per estratti:
-
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- Citazione:
- S. Ikeda e H. Satake, "APPARATUS FOR THE FLOW-INJECTION ANALYSIS OF L-CYSTINE", Bunseki Kagaku, 43(3), 1994, pp. 247-250
Abstract
An apparatus for the flow injection analysis of L-cystine using an amperometric detector composed of a glassy carbon electrode and a silverwire electrode was constructed, and the optimum conditions were investigated. The carrier solution used was a mixture of 0.6 M H3BO3, 0.1 MNa2B4O7 . 10H2O and 0.15 M Na2SO3, at a flow rate of 3.0 ml/min. A hundred microliters of L-cystine solution (10(-4) approximately 10(-3) M) was injected into the flow system at an applied potential of 0.55 V,and the indicator current was recorded after the reaction with sulfite in the reaction coil (150 CM). L-CyStine (0.360 approximately 0.841 mug) was determined with a relative error of 0.5% and RSD of 0.7%. This apparatus made it possible to determine 30 samples in one hour.
ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 28/01/21 alle ore 08:03:32