Determination of sulfate ion with 2-aminoperimidine hydrobromide using an optode based on tetrabromophenolphthalein ethyl ester membrane

Takashi Masadome, Hidekazu Ishikawa

研究成果: Article

抄録

An optode method for the determination of sulfate ion was developed. The optode membrane is 2-nitrophenyl octyl etherplasticized poly(vinyl chloride) membrane containing tetrabromophenolphthalein ethyl ester. The method is based on formation of an ion associate between the excess of 2-aminoperimidine hydrobromide (Ap) and sulfate ion in the sample solution, and detection of the concentration of the remaining Ap ion by the optode. Under the optimal conditions, a good linear relationship was found to exist between the absorbance of the optode membrane, and concentrations of sulfate ion in a concentration range from 20 to 400 μM. The developed optode method was applied to the determination of sulfate ion in environmental water samples.

元の言語English
ページ(範囲)383-385
ページ数3
ジャーナルAnalytical Sciences
34
発行部数3
DOI
出版物ステータスPublished - 2018 1 1

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Sulfates
Ions
Membranes
Vinyl Chloride
2-aminoperimidine
tetrabromophenolphthalein ethyl ester
Water

ASJC Scopus subject areas

  • Analytical Chemistry

これを引用

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abstract = "An optode method for the determination of sulfate ion was developed. The optode membrane is 2-nitrophenyl octyl etherplasticized poly(vinyl chloride) membrane containing tetrabromophenolphthalein ethyl ester. The method is based on formation of an ion associate between the excess of 2-aminoperimidine hydrobromide (Ap) and sulfate ion in the sample solution, and detection of the concentration of the remaining Ap ion by the optode. Under the optimal conditions, a good linear relationship was found to exist between the absorbance of the optode membrane, and concentrations of sulfate ion in a concentration range from 20 to 400 μM. The developed optode method was applied to the determination of sulfate ion in environmental water samples.",
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T1 - Determination of sulfate ion with 2-aminoperimidine hydrobromide using an optode based on tetrabromophenolphthalein ethyl ester membrane

AU - Masadome, Takashi

AU - Ishikawa, Hidekazu

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Y1 - 2018/1/1

N2 - An optode method for the determination of sulfate ion was developed. The optode membrane is 2-nitrophenyl octyl etherplasticized poly(vinyl chloride) membrane containing tetrabromophenolphthalein ethyl ester. The method is based on formation of an ion associate between the excess of 2-aminoperimidine hydrobromide (Ap) and sulfate ion in the sample solution, and detection of the concentration of the remaining Ap ion by the optode. Under the optimal conditions, a good linear relationship was found to exist between the absorbance of the optode membrane, and concentrations of sulfate ion in a concentration range from 20 to 400 μM. The developed optode method was applied to the determination of sulfate ion in environmental water samples.

AB - An optode method for the determination of sulfate ion was developed. The optode membrane is 2-nitrophenyl octyl etherplasticized poly(vinyl chloride) membrane containing tetrabromophenolphthalein ethyl ester. The method is based on formation of an ion associate between the excess of 2-aminoperimidine hydrobromide (Ap) and sulfate ion in the sample solution, and detection of the concentration of the remaining Ap ion by the optode. Under the optimal conditions, a good linear relationship was found to exist between the absorbance of the optode membrane, and concentrations of sulfate ion in a concentration range from 20 to 400 μM. The developed optode method was applied to the determination of sulfate ion in environmental water samples.

KW - 2-aminoperimidine hydrobromide

KW - Optode

KW - Sulfate ion

KW - Tetrabromophenolphthalein ethyl ester

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