SciELO - Scientific Electronic Library Online

 
vol.69Symmetrically and Unsymmetrically Substituted Bis(pyrazole)-palladium(II) and Nickel(II) Halides as Pre-catalysts for Ethylene dimerization and Friedel-Crafts Alkylation of Toluene and Benzene author indexsubject indexarticles search
Home Pagealphabetic serial listing  

Services on Demand

Article

Indicators

Related links

  • On index processCited by Google
  • On index processSimilars in Google

Share


South African Journal of Chemistry

On-line version ISSN 1996-840X
Print version ISSN 0379-4350

Abstract

BRUTTI, R.; MAGU, M.M.; AGORKU, E.S.  and  GOVENDER, P.P.. Alternative method for qualitative analysis of specific non-volatile organic compounds present in South African water systems. S.Afr.j.chem. (Online) [online]. 2016, vol.69, pp.244-253. ISSN 1996-840X.  http://dx.doi.org/10.17159/0379-4350/2016/v69a31.

Currently, water quality assessment has become a necessity in order to maintain healthy living. Point and non-point sources of water pollutants are either organic or inorganic in nature. Non-volatile organic compounds (nVOCs) mostly exist as solids at room temperature and are used on a large scale in most chemical industries. Since these nVOCs are toxic to both animals and humans and some of these non-volatile organic compounds are carcinogenic, it is important to analyze the water in order to ascertain its quality by identifying which types of compounds are present in these systems and quantifying them. This work reports on the use of a new and alternative method for qualitative analysis of nVOCs in water systems. Analysis was done for 13 sampling sites (seven from wastewater and six from surface water found in Gauteng and KwaZulu-Natal provinces, respectively). Vacuum evaporation followed by methanol extraction of the residues was performed. Fourier Transform Infrared (FTIR) was conducted using NaCl disc and KBr pellets and their results compared. High Performance Liquid Chromatography (HPLC) was chosen as a technique for comparison and to prove that the simple infrared (IR) can be used instead. In addition, HPLC is an ideal analytical technique for non-volatile substances.

Keywords : Water quality; non-volatile organic compounds; FTIR; HPLC.

        · text in English     · English ( pdf )

 

Creative Commons License All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License