Abstract
A method was developed for the analysis of benzothiazole, 2-mercaptobenzothiazole, 2-(methylthio)benzothiazole and 2-(thiocyanomethylthio)benzothiazole from industrial wastewater. It includes liquid-liquid extraction with ethyl acetate and toluene at pH 8.5, followed by liquid chromatographic (LC) analysis using a RP-18 column and an acetonitrile-water gradient with UV detection at variable wavelengths. LC analysis is compared with the potential of gas chromatography and its advantages are discussed. Solid-phase extraction appeared not to be a suitable for all compounds. The method allows the determination of benzothiazole derivatives without further clean-up down to contents of about 5 μg l −1, with recovery rates exceeding 90% for all compounds. Dissolved organic carbon contents of up to 900 mg l −1 did neither interfere with extraction nor with chromatographic separation.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
