Unit 1 - Bound Resiudes 2019 Part 1.doc

Unit 1 - Bound Resiudes 2019 Part 1.doc - NRS 412 –...

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NRS 412 – Soil-Water Chemistry Spring 2019 Unit 1 - An Unextractable Problem Problem Timetable Date Activity January 23 Part 1 25 Part 1/Part 2 28 Part 2/Part 3 30 Part 3/Part 4 February 1 Part 4/Part 5 4 Part 5 6 Presentations/Exam available 8 Presentations 11 Group Exam/Exams due 13 Synthesis paper due Al D. Hyde, a bright young soil chemist and one of your colleagues at Fly- By-Nite Environmental, LLC – the consulting firm you work for – thinks he may be on to developing a new technology for safe disposal of toxic organic contaminants in soil. One day, while Al was wrapping up some biodegradability tests for organic contaminants, he found that, when you add an aromatic amine compound to soil, it is very difficult to get quantitative recovery of the compound: he never gets back as much as he put in. He has tried all sorts of organic solvent extractions – polar, non-polar, hot, cold, warmish – but cannot get complete recovery. He has also observed that the fraction of added compound that could be recovered diminished as incubation time increased. Al first thought
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