Flow-injection determination of carbaryl and carbofuran based on KMnO(4)-Na(2)SO(3) chemiluminescence detection.

Flow-injection determination of carbaryl and carbofuran based on KMnO(4)-Na(2)SO(3) chemiluminescence detection. Research Abstract Details 

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Flow-injection determination of carbaryl and carbofuran based on KMnO(4)-Na(2)SO(3) chemiluminescence detection. Abstract Text:

Amir Waseem,Mohammad Yaqoob,Abdul Nabi,Amir Waseem,Mohammad Yaqoob,Abdul Nabi,

A flow-injection method is described for the determination of carbaryl and carbofuran. It was found that a strong chemiluminescence (CL) signal was generated when these pesticides were mixed with Na(2)SO(3) and KMnO(4) in acidic medium. Under the optimum experimental conditions, the enhanced CL intensity was linear, with the concentrations in the range 0.1-2.0 microg/mL (r(2) = 0.9996 and 0.9993, n = 6) with relative standard deviation (n = 4) in the range 1.0-2.3%. The limits of detection (3sigma blank) were 10 and 50 ng/mL, respectively, with a sample throughput of 180/h. The proposed method was applied to determine carbaryl and carbofuran in freshwaters with satisfactory results. Most metal and non-metal ions and some pesticides, such as carbophenothion and aldicarb, do not interfere with the determination. Dinoseb, diazinon and malathion calibration graphs (in the range 0.2-2.0 microg/mL, r(2) = 0.9966-0.9988, n = 6) were also established with relative standard deviations (n = 4) in the range 1.2-2.0% with limits of detection (3sigma blank) in the range 100-300 ng/mL.

Flow-injection determination of carbaryl and carbofuran based on KMnO(4)-Na(2)SO(3) chemiluminescence detection. Publishing Authors By Initials

A Waseem,M Yaqoob,A Nabi,A Waseem,M Yaqoob,A Nabi,

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PUBMED ID PMID:

MEDLINE DATE: 2007 Jul-Aug

Flow-injection determination of carbaryl and carbofuran based on KMnO(4)-Na(2)SO(3) chemiluminescence detection. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: Luminescence : the journal of biological and chemi

VOLUME: 22

Page Numbers: 349-54

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ISSN: 1522-7235

DAY: 30

MONTH: 07

YEAR: 2007

Flow-injection determination of carbaryl and carbofuran based on KMnO(4)-Na(2)SO(3) chemiluminescence detection. Information

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LANGUAGE: eng

NlmUniqueID: 100889025

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Grant and Affiliation Information for Flow-injection determination of carbaryl and carbofuran based on KMnO(4)-Na(2)SO(3) chemiluminescence detection.

AFFILIATION: Department of Chemistry, University of Balochistan, Quetta, Pakistan.

Country: England

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MEDLINETA: Luminescence

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