Application of cation-exchange resin loaded with oxyzirconium-tetrakis(sulfophenyl)porphine to the determination of fluoride ion

Kimiya Okazaki, Masaki Mifune, Junichi Odo, Yutaka Saito

Research output: Contribution to journalArticle

Abstract

To extend analytical application of ion-exchange resins, a ternary salt-like resin, a cation-exchange resin (Amberlite CG-50) on which oxyzirconium ion and tetrakis(sulfophenyl)porphine (TPPS) were loaded, was prepared. The ternary resin (R-Zr�TPPS) reacts with fluoride ion to liberate TPPS. Since the amount of released TPPS corresponds to that of fluoride ion, fluoride ion can be determined spectrophotometrically. It was found that the result was the most satisfactory, when the ternary resin was prepared by loading 53.4 mg of zirconium oxynitrate and 25 mg of TPPS on 1 g of CG-50 and then washing the resin with diluted nitric acid (1 M and 0.1 M). The calibration curve obtained was linear in the range of 1 to 5 ppm fluoride ion. The relative standard deviation (w = 10) was satisfactory (2.2%). R-Zr'TPPS was expected to be useful as a new conceptional reagent.

Original languageEnglish
Pages (from-to)643-647
Number of pages5
JournalBunseki Kagaku
Volume41
Issue number12
DOIs
Publication statusPublished - 1992

Fingerprint

Cation Exchange Resins
Fluorides
Ions
Resins
Ion Exchange Resins
Nitric Acid
Washing
Salts
porphine
tetraphenylporphine sulfonate
Calibration

Keywords

  • fluoride ion determination
  • modified cation-exchange resin
  • spectrophotometry
  • ternary salt resin
  • tetrakis(sulfophenyl)porphine

ASJC Scopus subject areas

  • Analytical Chemistry

Cite this

Application of cation-exchange resin loaded with oxyzirconium-tetrakis(sulfophenyl)porphine to the determination of fluoride ion. / Okazaki, Kimiya; Mifune, Masaki; Odo, Junichi; Saito, Yutaka.

In: Bunseki Kagaku, Vol. 41, No. 12, 1992, p. 643-647.

Research output: Contribution to journalArticle

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T1 - Application of cation-exchange resin loaded with oxyzirconium-tetrakis(sulfophenyl)porphine to the determination of fluoride ion

AU - Okazaki, Kimiya

AU - Mifune, Masaki

AU - Odo, Junichi

AU - Saito, Yutaka

PY - 1992

Y1 - 1992

N2 - To extend analytical application of ion-exchange resins, a ternary salt-like resin, a cation-exchange resin (Amberlite CG-50) on which oxyzirconium ion and tetrakis(sulfophenyl)porphine (TPPS) were loaded, was prepared. The ternary resin (R-Zr�TPPS) reacts with fluoride ion to liberate TPPS. Since the amount of released TPPS corresponds to that of fluoride ion, fluoride ion can be determined spectrophotometrically. It was found that the result was the most satisfactory, when the ternary resin was prepared by loading 53.4 mg of zirconium oxynitrate and 25 mg of TPPS on 1 g of CG-50 and then washing the resin with diluted nitric acid (1 M and 0.1 M). The calibration curve obtained was linear in the range of 1 to 5 ppm fluoride ion. The relative standard deviation (w = 10) was satisfactory (2.2%). R-Zr'TPPS was expected to be useful as a new conceptional reagent.

AB - To extend analytical application of ion-exchange resins, a ternary salt-like resin, a cation-exchange resin (Amberlite CG-50) on which oxyzirconium ion and tetrakis(sulfophenyl)porphine (TPPS) were loaded, was prepared. The ternary resin (R-Zr�TPPS) reacts with fluoride ion to liberate TPPS. Since the amount of released TPPS corresponds to that of fluoride ion, fluoride ion can be determined spectrophotometrically. It was found that the result was the most satisfactory, when the ternary resin was prepared by loading 53.4 mg of zirconium oxynitrate and 25 mg of TPPS on 1 g of CG-50 and then washing the resin with diluted nitric acid (1 M and 0.1 M). The calibration curve obtained was linear in the range of 1 to 5 ppm fluoride ion. The relative standard deviation (w = 10) was satisfactory (2.2%). R-Zr'TPPS was expected to be useful as a new conceptional reagent.

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