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    Rural Water Disinfection In The Developing World: Designing A General Chemistry Lab Experience

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    2010_DohertyM_THS_000530.pdf (1.765Mb)
    Author
    Doherty, Mickey
    Advisor
    Kyle Strode; Kelly Cline; Ron Wilde
    Date of Issue
    2010-04-01
    Metadata
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    URI
    https://scholars.carroll.edu/handle/20.500.12647/170
    Title
    Rural Water Disinfection In The Developing World: Designing A General Chemistry Lab Experience
    Type
    thesis
    Abstract
    A simple electrolysis apparatus was set up with a 10 wt% NaCl solution using a stainless steel cathode and a graphite anode to produce a hypochlorite ion solution. The hypochlorite ion solution was quantified to around 600 ppm by spectrophotometry analysis at 515 nm using N,N-diethyl-p-phenylenediamine (DPD). The efficacy of the hypochlorite solution was determined by contaminating a 1 ppm solution of the hypochlorite solution with the sulfide-producing bacterium, Salmonella typhimurium. At this level, the bacteria were not viable. The procedure used to generate the hypochlorite solution and determine its disinfection effectiveness was adapted to a lab experience for first-year chemistry students.
    Degree Awarded
    Bachelor's
    Semester
    Spring
    Department
    Chemistry & Physics
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    • Chemistry and Physics Undergraduate Theses

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