DETECTION OF ORGANOCHLORINE PESTICIDES IN WATER SAMPLES BY DISPERSIVE LIQUID-LIQUID MICROEXTRACTION IN NARROW COLUMN USING GAS CHROMATOGRAPHY FLAME IONIZATION

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YOUSEFZADEH SH.; ASGHARI KALJAHI E.; AMEL N.; SABERI H.; GOLBABAZADEH T.

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Journal: Journal of Applied Research in Chemistry Year:2016 | Volume:9 | Issue:4 Page(s): 13-22

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Title

DETECTION OF ORGANOCHLORINE PESTICIDES IN WATER SAMPLES BY DISPERSIVE LIQUID-LIQUID MICROEXTRACTION IN NARROW COLUMN USING GAS CHROMATOGRAPHY FLAME IONIZATION

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Keywords

DISPERSIVE LIQUID-LIQUID MICROEXTRACTIONQ2

ORGANOCHLORINEQ2

GAS CHROMATOGRAPHY-FLAME IONIZATIONQ2

Abstract

The simple and efficient DISPERSIVE LIQUID-LIQUID MICROEXTRACTION was applied for extraction and simultaneous preconcentration of ORGANOCHLORINE pesticides (OCPS) in river water samples using chromatography-flame ionization.The effect of factors controlling the microextraction, such as the type and volume of dispersive and extracted solvents and volume of extracted aqueous solution sample were studied and optimized.In the optimized qualification, a mixture of acetone as dispersive solvent and n-hexane toluene as extraction solvent (1: 1) is injected to water solution in the pipe, where the pesticides are transferred into an organicphase and reach the top of the column. Finally, after extraction and cleaning up, 1 ul of the prepared sample was injected into gas chromatography with flame ionization detector and its amount was determined using the standard solvent calibration curves.The relative recovery was from 89.8 to 98.6. The limits of detection and quantification were in the range of 0.8 to 1.5 and 3 to 4.1 mg/l, respectively. The results showed that the micro liquid-liquid extraction with the GC-FID method is a convenient and fast method with a considerably high recovery percentage.

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APA: Copy

YOUSEFZADEH, SH., ASGHARI KALJAHI, E., AMEL, N., SABERI, H., & GOLBABAZADEH, T.. (2016). DETECTION OF ORGANOCHLORINE PESTICIDES IN WATER SAMPLES BY DISPERSIVE LIQUID-LIQUID MICROEXTRACTION IN NARROW COLUMN USING GAS CHROMATOGRAPHY FLAME IONIZATION. JOURNAL OF APPLIED RESEARCHES IN CHEMISTRY (JARC), 9(4), 13-22. SID. https://sid.ir/paper/180096/en

Vancouver: Copy

YOUSEFZADEH SH., ASGHARI KALJAHI E., AMEL N., SABERI H., GOLBABAZADEH T.. DETECTION OF ORGANOCHLORINE PESTICIDES IN WATER SAMPLES BY DISPERSIVE LIQUID-LIQUID MICROEXTRACTION IN NARROW COLUMN USING GAS CHROMATOGRAPHY FLAME IONIZATION. JOURNAL OF APPLIED RESEARCHES IN CHEMISTRY (JARC)[Internet]. 2016;9(4):13-22. Available from: https://sid.ir/paper/180096/en

IEEE: Copy

SH. YOUSEFZADEH, E. ASGHARI KALJAHI, N. AMEL, H. SABERI, and T. GOLBABAZADEH, “DETECTION OF ORGANOCHLORINE PESTICIDES IN WATER SAMPLES BY DISPERSIVE LIQUID-LIQUID MICROEXTRACTION IN NARROW COLUMN USING GAS CHROMATOGRAPHY FLAME IONIZATION,” JOURNAL OF APPLIED RESEARCHES IN CHEMISTRY (JARC), vol. 9, no. 4, pp. 13–22, 2016, [Online]. Available: https://sid.ir/paper/180096/en

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