APPLICATION OF IN- SYRINGE DISPERSIVE LIQUID-LIQUID MICROEXTRACTION FOR EXTRACTION AND PER-CONCENTRATION OF TOTAL NAPHTHALENE SULFONATES OF SEAWATER SAMPLES AND THEIR DETERMINATION BY SPECTROPHOTOMETERY

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HASHEMI H.; KAYKHAEI M.; DEHVARI R.

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Journal: Journal of Applied Research in Chemistry Year:2017 | Volume:11 | Issue:1 Page(s): 87-93

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Title

APPLICATION OF IN- SYRINGE DISPERSIVE LIQUID-LIQUID MICROEXTRACTION FOR EXTRACTION AND PER-CONCENTRATION OF TOTAL NAPHTHALENE SULFONATES OF SEAWATER SAMPLES AND THEIR DETERMINATION BY SPECTROPHOTOMETERY

Author(s)

HASHEMI H. | KAYKHAEI M. | DEHVARI R. | Issue Writer Certificate

Keywords

NAPHTHALENE SULFONATESQ1

IN-SYRINGE DISPERSIVE LIQUID-LIQUID MICROEXTRACTIONQ1

SPECTROPHOTOMETRYQ1

SEAWATERQ1

CHABAHAR BAYQ1

Abstract

In this study, a sensitive and economical method is suggested for the rapid determination of total NAPHTHALENE SULFONATES (NSs) in SEAWATER samples. These compounds were first converted to ion pairs by reaction with tetrabutylammonium. Subsequently, they were extracted and pre-concentrated employing IN-SYRINGE DISPERSIVE LIQUID-LIQUID MICROEXTRACTION technique using a mixture of 250ml of toluene as extracting and 500ml of methanol as dispersion solvents. Their concentrations were determined spectrophotometerically in micro-cuvettes at 230 nm. Parameters affecting extraction efficiency including pH, type and volume of extraction and disperser solvents, and amount of tetrabutylammonium (ion pair reagent), were investigated and optimized. Under the optimum conditions, the enrichment factor (for 1-Naphthalene Sulfonic acid) was 142 folds.The linearity of the technique was in the range of 1-75mg.l-1 with a detection limit of 0.30mg.l-1 for the same compound. The relative recoveries of total NSs from SEAWATER samples at spiking levels of 20mg.l-1 were between 88.0-98.5%. The proposed method was successfully applied for the determination of total NSs in SEAWATER of CHABAHAR BAY.

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APA: Copy

HASHEMI, H., KAYKHAEI, M., & DEHVARI, R.. (2017). APPLICATION OF IN- SYRINGE DISPERSIVE LIQUID-LIQUID MICROEXTRACTION FOR EXTRACTION AND PER-CONCENTRATION OF TOTAL NAPHTHALENE SULFONATES OF SEAWATER SAMPLES AND THEIR DETERMINATION BY SPECTROPHOTOMETERY. JOURNAL OF APPLIED RESEARCHES IN CHEMISTRY (JARC), 11(1), 87-93. SID. https://sid.ir/paper/180198/en

Vancouver: Copy

HASHEMI H., KAYKHAEI M., DEHVARI R.. APPLICATION OF IN- SYRINGE DISPERSIVE LIQUID-LIQUID MICROEXTRACTION FOR EXTRACTION AND PER-CONCENTRATION OF TOTAL NAPHTHALENE SULFONATES OF SEAWATER SAMPLES AND THEIR DETERMINATION BY SPECTROPHOTOMETERY. JOURNAL OF APPLIED RESEARCHES IN CHEMISTRY (JARC)[Internet]. 2017;11(1):87-93. Available from: https://sid.ir/paper/180198/en

IEEE: Copy

H. HASHEMI, M. KAYKHAEI, and R. DEHVARI, “APPLICATION OF IN- SYRINGE DISPERSIVE LIQUID-LIQUID MICROEXTRACTION FOR EXTRACTION AND PER-CONCENTRATION OF TOTAL NAPHTHALENE SULFONATES OF SEAWATER SAMPLES AND THEIR DETERMINATION BY SPECTROPHOTOMETERY,” JOURNAL OF APPLIED RESEARCHES IN CHEMISTRY (JARC), vol. 11, no. 1, pp. 87–93, 2017, [Online]. Available: https://sid.ir/paper/180198/en

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