Extraction and Estimation of antistatic agent Glycerol Mono Stearate in Polypropylene by Gas Chromatography Coupled with Flame Ionisation Detector

Sivakumar, Padmanaban

Abstract

A new method has been developed for the estimation of an antistatic agent Glycerol Mono Stearate (GMS) in Polypropylene (PP) over Gas Chromatography coupled with Flame ionization detector (GC-FID). In the present work, selection of suitable sample specimen, sample weight, solvent mixture, extraction time, and temperature have been identified for the extraction of GMS in the PP resin. In-house Polypropylene pellet has been used for study and the GMS extorted into n-hexane-Ethyl acetate and quantified using GC-FID over 100% Dimethylpolysiloxane column. The method limit of detection is 1 mg/L and the limit of quantification is 5-750 mg/kg in PP resin with a correlation coefficient greater than 0.999. This method is accurate and has not found any interference with other co additives used in the propylene.


Keyword(s)

Analytical Method Development, Chromatography, Industrial Application, Petrochemical, Additives, Extraction

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