NANOCATALYTIC DERIVATIZATION OF FATTY ACIDS IN ORDER TO ANALYSIS BY GAS CHROMATOGRAPHY

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MALEKI R.; DARVISH M.; GHESHLAGHI M.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

Seminar Paper

Paper Information

Seminar: IRANIAN SEMINAR OF ORGANIC CHEMISTRY
Year:2014 | Issue:22

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Title

NANOCATALYTIC DERIVATIZATION OF FATTY ACIDS IN ORDER TO ANALYSIS BY GAS CHROMATOGRAPHY

Author(s)

MALEKI R. | DARVISH M. | GHESHLAGHI M. | Issue Writer Certificate

Keywords

FATTY ACID

NANOCATALYST

CHEMICAL DERIVATIZATION

GAS CHROMATOGRAPHY

Abstract

FATTY ACID IS A CARBOXYLIC ACID WITH LONG ALIPHATIC CHAIN, WHICH IS EITHER SATURATED OR UNSATURATED. FATTY ACIDS FOUND IN FATS, OILS AND IN CELL MEMBRANES AS A COMPONENT OF PHOSPHOLIPIDS AND TRIGLYCERIDES [1]. THE INDUSTRIAL EXPLOITATION OF OILS AND FATS IS BASED ON CHEMICAL MODIFICATION OF BOTH THE CARBOXYL AND UNSATURATED GROUPS PRESENT IN FATTY ACIDS. CHEMICAL DERIVATIZATION IS A USEFUL PROCEDURE FOR IMPROVING CHROMATOGRAPHIC BEHAVIOR AND DETECTS ABILITY OF ORGANIC COMPOUNDS BY GAS CHROMATOGRAPHY [2]. IN THIS STUDY, CATALYTIC ACTIVITY OF AL2O3 NANOPARTICELS FOR SYNTHESIS FATTY ACID METHYL ESTERS HAS BEEN INVESTIGATED. AL2O3 NANOPARTICELS HAS BEEN SUCCESSFULLY SYNTHESIZED BY SOL-GEL PROCEDURE FROM AL (NO3) 3.9H2O AND CHARACTERIZED BY SCANNING ELECTRON MICROSCOPY (SEM) [3]. FATTY ACIDS WERE ESTERIFIED BY METHANOL IN THE PRESENCE OF AL2O3 NANOPARTICELS AS NANOCATALYST. THE EFFECT OF REACTION TIME, TEMPERATURE, METHANOL VOLUME AND AMOUNT OF NANOCATALYST WERE STUDIED AND OPTIMUM CONDITIONS WERE SELECTED. THE USE OF NANOCATALYST NOT ONLY FACILITATES THE REACTION BUT ALSO MEETS THE GOALS OF GREEN CHEMISTRY. THE COMMON PROCEDURE HAS DIFFERENT STEPS (HYDROLYSIS, ESTERIFICATION AND SEPARATION), USES HIGH CONCENTRATION OF H2SO4 AND NORMAL HEPTANE BUT THE PROPOSED METHOD IS SIMPLE, RAPID AND USE ONLY METHANOL AS SOLVENT AND REAGENT. SEPARATION, DETECTION AND QUANTITATION OF FATTY ACIDS AFTER PROPOSED DERIVATIZATION PROCESS WERE PERFORMED WITH A GAS CHROMATOGRAPH FITTED WITH A DB-225MS CAPILLARY COLUMN (30 M×0.25 MM I.D., 0.25 MM FILM THICKNESS), A SPLIT–SPLITLESS INJECTOR AND FLAME IONIZATION DETECTOR.

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APA: Copy

MALEKI, R., DARVISH, M., & GHESHLAGHI, M.. (2014). NANOCATALYTIC DERIVATIZATION OF FATTY ACIDS IN ORDER TO ANALYSIS BY GAS CHROMATOGRAPHY. IRANIAN SEMINAR OF ORGANIC CHEMISTRY. SID. https://sid.ir/paper/913298/en

Vancouver: Copy

MALEKI R., DARVISH M., GHESHLAGHI M.. NANOCATALYTIC DERIVATIZATION OF FATTY ACIDS IN ORDER TO ANALYSIS BY GAS CHROMATOGRAPHY. 2014. Available from: https://sid.ir/paper/913298/en

IEEE: Copy

R. MALEKI, M. DARVISH, and M. GHESHLAGHI, “NANOCATALYTIC DERIVATIZATION OF FATTY ACIDS IN ORDER TO ANALYSIS BY GAS CHROMATOGRAPHY,” presented at the IRANIAN SEMINAR OF ORGANIC CHEMISTRY. 2014, [Online]. Available: https://sid.ir/paper/913298/en

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