A flow-through optical fibre reflectance sensor for the detection of lead ion based on immobilised gallocynine

Nor Azah Yusof, Musa Ahmad

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

A flow-through spectrophotometric sensor for the determination of lead at trace level using immobilised gallocynine as the reagent phase is proposed. Gallocynine is physically adsorbed onto XAD-7. This method provided a wide linear range of 1 × 10-1 to 1 × 103 ppm and detection limit of 0.06 ppm. This method also showed a reproducible result with relative standard deviation (R.S.D.) of 1.64% and response time of ∼5 min. The response towards lead was also reversible using acidified KNO3 as the regenerating solution. Interference studies showed that Hg(II) and Ag(I) significantly interfered during the determination.

Original languageEnglish
Pages (from-to)201-209
Number of pages9
JournalSensors and Actuators, B: Chemical
Volume94
Issue number2
DOIs
Publication statusPublished - 1 Sep 2003

Fingerprint

Optical fibers
Lead
optical fibers
Ions
reflectance
sensors
Sensors
reagents
standard deviation
ions
interference
amberlite XAD 7

Keywords

  • Flow injection analysis (FIA)
  • Lead detection
  • Optical fibre sensor

ASJC Scopus subject areas

  • Analytical Chemistry
  • Electrochemistry
  • Electrical and Electronic Engineering

Cite this

A flow-through optical fibre reflectance sensor for the detection of lead ion based on immobilised gallocynine. / Yusof, Nor Azah; Ahmad, Musa.

In: Sensors and Actuators, B: Chemical, Vol. 94, No. 2, 01.09.2003, p. 201-209.

Research output: Contribution to journalArticle

@article{84f9f9a166834c3a8e7fc6802a9faa06,
title = "A flow-through optical fibre reflectance sensor for the detection of lead ion based on immobilised gallocynine",
abstract = "A flow-through spectrophotometric sensor for the determination of lead at trace level using immobilised gallocynine as the reagent phase is proposed. Gallocynine is physically adsorbed onto XAD-7. This method provided a wide linear range of 1 × 10-1 to 1 × 103 ppm and detection limit of 0.06 ppm. This method also showed a reproducible result with relative standard deviation (R.S.D.) of 1.64{\%} and response time of ∼5 min. The response towards lead was also reversible using acidified KNO3 as the regenerating solution. Interference studies showed that Hg(II) and Ag(I) significantly interfered during the determination.",
keywords = "Flow injection analysis (FIA), Lead detection, Optical fibre sensor",
author = "Yusof, {Nor Azah} and Musa Ahmad",
year = "2003",
month = "9",
day = "1",
doi = "10.1016/S0925-4005(03)00344-7",
language = "English",
volume = "94",
pages = "201--209",
journal = "Sensors and Actuators, B: Chemical",
issn = "0925-4005",
publisher = "Elsevier",
number = "2",

}

TY - JOUR

T1 - A flow-through optical fibre reflectance sensor for the detection of lead ion based on immobilised gallocynine

AU - Yusof, Nor Azah

AU - Ahmad, Musa

PY - 2003/9/1

Y1 - 2003/9/1

N2 - A flow-through spectrophotometric sensor for the determination of lead at trace level using immobilised gallocynine as the reagent phase is proposed. Gallocynine is physically adsorbed onto XAD-7. This method provided a wide linear range of 1 × 10-1 to 1 × 103 ppm and detection limit of 0.06 ppm. This method also showed a reproducible result with relative standard deviation (R.S.D.) of 1.64% and response time of ∼5 min. The response towards lead was also reversible using acidified KNO3 as the regenerating solution. Interference studies showed that Hg(II) and Ag(I) significantly interfered during the determination.

AB - A flow-through spectrophotometric sensor for the determination of lead at trace level using immobilised gallocynine as the reagent phase is proposed. Gallocynine is physically adsorbed onto XAD-7. This method provided a wide linear range of 1 × 10-1 to 1 × 103 ppm and detection limit of 0.06 ppm. This method also showed a reproducible result with relative standard deviation (R.S.D.) of 1.64% and response time of ∼5 min. The response towards lead was also reversible using acidified KNO3 as the regenerating solution. Interference studies showed that Hg(II) and Ag(I) significantly interfered during the determination.

KW - Flow injection analysis (FIA)

KW - Lead detection

KW - Optical fibre sensor

UR - http://www.scopus.com/inward/record.url?scp=0043199356&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0043199356&partnerID=8YFLogxK

U2 - 10.1016/S0925-4005(03)00344-7

DO - 10.1016/S0925-4005(03)00344-7

M3 - Article

VL - 94

SP - 201

EP - 209

JO - Sensors and Actuators, B: Chemical

JF - Sensors and Actuators, B: Chemical

SN - 0925-4005

IS - 2

ER -