Fluorescence optical sensing of anionic surfactants using a lactone-form Rhodamine B membrane

Takashi Masadome, Yuichiro Nakamura, Keiko Maruyama

Research output: Contribution to journalArticle

Abstract

We report on the development of an optical fluorescence sensor based on the lactone-form Rhodamine B (L-RB) for the detection of an anionic surfactant (AS). The sensor was prepared by embedding the L-RB in a 2-nitrophenyloctyl ether-plasticized poly (vinyl chloride) (PVC) membrane. The optical fluorescence response to AS occurred due to ion-pair coextraction of an AS and a proton into the PVC membrane. The extracted AS enlarges fluorescence of the PVC membrane (λex = 559 nm, λem = 584 nm). The optical fluorescence membrane responds to anionic surfactants, such as dodecylbenzenesulfonate in the concentration range from 0.50 to 5.0 µM. The coexistences of NaCl, KCl, CaCl2, MgCl2, Na2SO4 and NaNO3 at 100 times, a nonionic surfactant (Triton X-100) at 10 times excess to AS did not interfere with the determination of AS within an error of 10 %. The recovery of AS added to environmental water samples was roughly 91 - 104 %. The result indicates that there is small matrix effect on the determination of AS in environmental water samples, and that the present optical fluorescence sensor is applicable for the determination of AS in environmental water samples such as river water and tap water.

LanguageEnglish
Pages699-702
Number of pages4
JournalBunseki Kagaku
Volume66
Issue number9
DOIs
StatePublished - 2017

Fingerprint

rhodamine B
Anionic surfactants
Lactones
Fluorescence
Membranes
Polyvinyl Chloride
Water
Sensors
Vinyl Chloride

Keywords

  • Anionic surfactant
  • Fluorescence sensor
  • Lactone-form Rhodamine B

ASJC Scopus subject areas

  • Analytical Chemistry

Cite this

Fluorescence optical sensing of anionic surfactants using a lactone-form Rhodamine B membrane. / Masadome, Takashi; Nakamura, Yuichiro; Maruyama, Keiko.

In: Bunseki Kagaku, Vol. 66, No. 9, 2017, p. 699-702.

Research output: Contribution to journalArticle

Masadome, Takashi ; Nakamura, Yuichiro ; Maruyama, Keiko. / Fluorescence optical sensing of anionic surfactants using a lactone-form Rhodamine B membrane. In: Bunseki Kagaku. 2017 ; Vol. 66, No. 9. pp. 699-702
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