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UCLA CHEM 30AL - Soil analysis Report

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CHEMISTRY 30AL SUMMER 2003 SOIL ANALYSIS PROJECT- POST-LAB REPORT GUIDELINE This is a GROUP report. Due date: Turn in the group soil report to your teaching assistant at the beginning of the lab period on July 29 (TUESDAY). LAB ATTENDANCE ON JULY 29 is MANDATORY. LATE SOIL POST-LAB WILL NOT BE ACCEPTED. NO EXCEPTION. Your group report should address the following items. The report must be in a well written format. You MUST list ALL the references that you use including references for any spectra that you find. Attached ALL the experimental spectra and the literature spectra to your report. Your group may submit a typewritten post-lab report for your soil project. Remember that during the process of writing this report will also provide you an understanding of the materials you have learned so far in 30AL. In other words, understanding the logics and theories of this report will help you preparing for the final exam. Soil Post-lab Report Format (I) List the names and responsibilities of all the group members in writing the soil report and during the soil experiment. (II) The unknown soil number (III) AbstractOutline the goal(s) of the soil project. Summarize all results as well as outline all the techniques (including identifications, purification and isolation) that you used that allow you to achieve such goal(s).CHEMISTRY 30AL SUMMER 2003 SOIL ANALYSIS PROJECT- POSTLAB REPORT GUIDELINE This is a GROUP report (IV) Design of the Experimental Analysis There are three to four possible compounds (out of the six possible compounds - see below) in each of the unknown soil sample: Copper(II) Sulfate, Cobalt(II) sulfate, Nickel(II) Chloride, Biphenyl, m-Nitroaniline and Benzoic Acid (i) Construct a SIMPLIFIED FLOWCHART as an OVERVIEW for the entire soil project. (ii) The experimental design must consider how your group reasoned through an analytical scheme for which the detection of each of the compound can be determined both qualitatively and quantitatively (% by mass relative to the total amount of soil in the unknown) in the unknown soil sample. The methods must be reasonable and give the results desired or results that will lead to other analytical procedures. (V) RESULTS OF THE QUALITATIVE ANALYSIS Summarize all the qualitative results and gives descriptions of the identification / purification / isolation techniques that were used in the analysis. Explain how your group concludes the identities of the compounds based on the various spectral analysis, TLC results and/or analytical tests. (VI) Results of the QUANTITATIVE analysis (including DATA & ERROR Analysis) (a) Summarize all the quantitative results (b) Logic of quantitative reasoning for each compound (i.e. Data Analysis)Calculate the % by mass relative to the soil for EACH confirm compound in the unknown. (c) Discussions of error and estimation of uncertainty of the answers (Show all your calculations) Note: your previous post-labs in 30AL and 20L will be good sources of references for error analysisCHEMISTRY 30AL SUMMER 2003 SOIL ANALYSIS PROJECT- POSTLAB REPORT GUIDELINE This is a GROUP report (VII) Conclusions (a) Summarize the results (b) Comment on any uncertainties or experimental errors in procedures that may affect the results. (VIII) Experimental & Literature Spectra For EACH of the ORGANIC compound in your unknown, you MUST provide both the experimental spectra (IR,UV and/or mass spec.) as well as the literature spectra as an evidence for identifying the organic compounds. For INORGANIC COMPOUNDS, you MUST show evidence from the results of the analytical tests that you did in the project to conclude the identity of the compound. You may also include UV spectra for the inorganic compounds. Attach ALL the experimental AND literature spectra. Label EACH spectrum clearly and write down the final experimental result(s) that your group concludes from EACH spectrum. Attached ALL the experimental TLC plates that you did in the project. For EACH TLC plates, write down the COMPONENTS OF MOBILE PHASE that was used for the separation as well as the compounds on the plates. You can tape all the TLC plates on a piece of paper and attached that page to the report.CHEMISTRY 30AL SUMMER 2003 SOIL ANALYSIS PROJECT- POSTLAB REPORT GUIDELINE This is a GROUP report (IX) References Site ALL the references that you use in this report (including any on-line resources) Make sure you read the Library handouts provided by Marion Peters on how to cite references


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UCLA CHEM 30AL - Soil analysis Report

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