Determination of trace amounts of sulfide by HPLC with fluorescence detection

Determination of trace amounts of sulfide by HPLC with fluorescence detection

A method for the determination of sulfide was developed based on HPLC with fluorescence detection. The sulfide had been converted into a fluorescent derivative with 2-amino-5-N, N-diethylaminotoluene and Fe(III) under an acidic condition. The product formed was extracted into 2-octanol as an ion-pai...

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Veröffentlicht in:BUNSEKI KAGAKU 1993/09/05, Vol.42(9), pp.519-523
Hauptverfasser: KAMAYA, Minori, FUKUSHIMA, Katsuji, NAGASHIMA, Kunio, ISHII, Eizen
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Sprache:jpn
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2-amino-5-N,N-diethylaminotoluene
fluorescence detection
fluorometric determination of sulfide with 2-amino-5-N,N-diethylaminotoluene
HPLC
sulfide
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container_end_page 523
container_issue 9
container_start_page 519
container_title BUNSEKI KAGAKU
container_volume 42
creator KAMAYA, Minori
FUKUSHIMA, Katsuji
NAGASHIMA, Kunio
ISHII, Eizen
description A method for the determination of sulfide was developed based on HPLC with fluorescence detection. The sulfide had been converted into a fluorescent derivative with 2-amino-5-N, N-diethylaminotoluene and Fe(III) under an acidic condition. The product formed was extracted into 2-octanol as an ion-pair with sodium 1-octanesulfonate. The extract was separated by a reversed phase method (column, Inertsil ODS-2, 250 mm × 4.6 mm i.d.; mobile phase, 90% (v/v) acetonitrile aqueous solution containing sodium 1-octanesulfonate as an ion-pair reagent; flow rate, 0.5 cm3 min-1) and detected fluorometrically (excitation, 640 nm; emission, 675 nm). The sulfide could be determined over the range from 4 × 10-10 M to 4 × 10-7 M. The relative standard deviation at 4 × 10-9 M of sulfide was 3.5% (n = 7).
doi_str_mv 10.2116/bunsekikagaku.42.9_519
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subjects 2-amino-5-N,N-diethylaminotoluene
fluorescence detection
fluorometric determination of sulfide with 2-amino-5-N,N-diethylaminotoluene
HPLC
sulfide
title Determination of trace amounts of sulfide by HPLC with fluorescence detection
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