Jurnal Katalisator Vol.2 No.2

Fitri Mairizk, Fitri Jurnal Katalisator Vol.2 No.2. KARAKTERISASI KOLOM MONOLIT METHACRYLATE-BASED POLYMER YANG DIMODIFIKASI DENGAN TRIMETILAMIN. ISSN 2502-0943

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Abstract

Methacrylate-based polymer monolithic column provide higher polarity and better stability over a wide pH range so itswidely used as stationary phase in ion chromatography. Therefore, the aim of this research was to determine the characteristic of methacrylate-based polymer monolithic column modified with trimethylamine including surface morphology, functional group, permeability, and ion exchange capacity.Methacrylate-based polymer monolithic column was prepared in fused-silica capillary (80 mm, 0,32 mm i.d. x 0,45 mm o.d.), by in situ polymerization reaction using glycidyl methacrylate as monomer; ethylene dimethacrylate as crosslinker; 1-propanol, 1,4-butanediol, and water as porogene; trimethylamine as modifier. The morphology of the monolithic column was characterized by using Scanning Electron Microscope (SEM) and functional group wascharacterized by using Fourier Transform Infra Red Spectroscopy (FT-IR). Monolith columnhas good mechanical stability with permeability was 9.88x10-7 mL//m and ion exchange capacity was 82,10 mmol /mL

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