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Making the best of ASDL resources: the case of Lake Nakuru

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Making the best of ASDL resources: the case of Lake Nakuru

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    1. 4/13/10 Making the best of ASDL resources: the case of Lake Nakuru

    2. 4/13/10 Outline

    3. 4/13/10

    4. 4/13/10 Lake Nakuru Case Study Overarching problem Introduction to analytical problem solving Narrowing the problem Experimental design Sampling Sample preparation/analysis Detection Validation

    5. 4/13/10 Analytical curriculum at EOU

    6. 4/13/10 Fall term - sampling General Chemistry (End Creek project) Sampling Harvey’s textbook (chapter 7) Lake Nakuru assignment From where within the target population should we collect samples? What type of samples should we collect? What is the minimum amount of sample for each analysis? How many samples should we analyze? How can we minimize the overall variance for the analysis?

    7. 4/13/10 Sampling at Morgan Lake Assignment Students survey area and design individual sampling plan Groups are formed according to similar sampling strategy Some compromises are reached…

    8. 4/13/10 Sampling at Morgan Lake Field trip water samples collected at 5 sites (GPS) Hardness determined by EDTA titration Analysis of Ca2+ and Mg2+ by AA

    9. 4/13/10 Chromatography unit

    10. 4/13/10 UWR essay

    11. 4/13/10 Winter term - Instrumental

    12. 4/13/10 Group assignments

    13. 4/13/10 Group assignments

    14. 4/13/10 Group assignment

    15. 4/13/10 Pre/post test - sampling

    16. 4/13/10 Pre/post test

    17. 4/13/10 Students’ feedback

    18. 4/13/10 Students’ feedback

    19. 4/13/10 Conclusions

    20. 4/13/10 Acknowledgements

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