CHEM 30AL Fall 2004 Experiment 15 Ion Exchange Chromatography PRE LAB REPORT GUIDELINE Pre lab report must be written inside your lab notebook Pre lab Report Format Must turn in at the beginning of the first experiment period I TITLE Must appear on each page II INTRODUCTION Brief No more than 1 2 page III PROCEDURE Flow chart for the ENTIRE experiment Reference must include title of manual edition authors pages IV MSDS The following chemicals will require you to use the MSDS database on the Web NH3 or NH4OH concentrated KSCN KNO2 You should record the following MSDS information in your notebook for the chemicals listed above Printouts directly from the Web pages will NOT be accepted a b c d e f Product Name Chemical Formula Formula Weight Melting Point Boiling Point and Density Health Hazard Data summarize in your own words Spill and Disposal procedures summarize in your own words V PRE LAB REPORT STUDY QUESTION page 127 Only complete question 2 Note In the procedure for HCl the concentration unit of F is the same as M VI DATA OBSERVATIONS Start a NEW page for the following sections Refer to study question 1 page 127 You must record ALL your observations into your notebook during the lab period CHEM 30AL Fall 2004 Experiment 15 Ion Exchange Chromatography POST LAB REPORT GUIDELINE This is a GROUP REPORT i e Turn in ONLY ONE report PER GROUP I ABSTRACT outline the goal s as well the lab techniques that you used in achieving such goal s Also Summarize your experimental results II DATA AND OBSERVATIONS Write down the names of all the members in the group Write out the responsibility of each member both for the experiment and for the postlab report Re write all the observations into your post lab Record the details of analytical tests made on each eluate fraction Write down the conclusion drawn from EACH test Write balanced chemical equations for the analytical tests that you performed in the lab Note Net overall reactions are acceptable III CONCLUSION Summarize ALL results again Explain the elution order of the metal ions in your unknown In other words explain why you observed such an elution order in the experiment Hint part of the reasoning can be explained through the use ionic radii of various metal ions from your general chemistry textbook to reason out the elution order
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