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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:
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.

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Documento generato il 28/01/21 alle ore 08:03:32