Thermal and ion-exchange studies of 4-aminosalicylic acid-oxamide- formaldehyde-II copolymer resin (original) (raw)

2014

Abstract

Copolymer resin 4-ASAOF-IIwas synthesized bythe condensation of 4-Aminosalicylic acid (4-ASA) andOxamide (O)with Formaldehyde (F) in the presence of hydrochloric acid catalyst with 2:1:3 molar ratios of reactingmonomers.The structure of the resinwas characterized by various spectral techniques like infra-red (FTIR) and nuclearmagnetic resonance (1H and13C-NMR) spectroscopy. The empirical formula andempiricalweight of the resinwere determined byelemental analysis.Themorphological featureof the 4-ASAOF-II copolymer resin was established by Scanning electronmicroscopy(SEM). Thermal study of the resinwas carried out to determine itsmode of INTRODUCTION Ion-exchange has beenwidely used to treat heavy metal-containingwastewater andmost of the ion-exchangers currentlybeing used are commerciallymassproduced organic resins.Analysis of trace elements presents as complexmixtures in natural andwastewater, andinbiological, industrial, andgeological samples, are a challenging problemin analytical...

S.S. Butoliya hasn't uploaded this paper.

Let S.S. know you want this paper to be uploaded.

Ask for this paper to be uploaded.