CHEM 30AL Summer 2005 Pre lab Report Guideline for Aspirin Experiment Part 1 The following guidelines are for week 1 of the experiment Pre lab Report is due at the BEGINNING of the lab section Pre lab report MUST be written inside your LAB NOTEBOOK NO EXCEPTION IMPORTANT Make sure that you follow the proper laboratory safety protocol refer to the course syllabus BEFORE going to the lab You will be dismissed from the laboratory if you do not follow the proper safety protocol Online Resources and Tutorials History of Aspirin Techniques in Recrystallization Real Player Video Pre Lab Report Guidelines Week 1 ONLY i ii iii iv v Title of the experiment Reference of procedures Introduction Procedures for week 1 ONLY in flow chart format MSDS information The following chemicals will require you to use the MSDS database on the Web refer to either the lecture syllabus or the MSDS handout Salicylic Acid Sulfuric acid concentrated Acetic Anhydride 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 vi Pre lab report study questions Must show all work for FULL credit Complete ALL study problems under week 1 vii Data observations Start a NEW page Set up tables but leave blank You MUST record all the observations into your lab notebook during your lab sessions You will NOT receive any credit for your lab technique if you only record the weight of the chemicals during the experiment CHEM 30AL Summer 2005 Post lab Report Guideline for Aspirin Experiment Part 1 This is an INDIVIDUAL report Post lab report MUST be written inside your LAB NOTEBOOK A Abstract summarize results and outline the lab technique that you used in the lab to synthesize and or purify the final product B Data Observations See p 94 under the section Synthesis Orderly record of data Data tables should have proper titles labels Documentation of ALL observations during the experiment C Data Analysis MUST SHOW ALL WORK FOR FULL CREDIT Theoretical moles of Aspirin MUST show all work You MUST identify which one is the limiting reagent Crude Yield Corrected Crude Yield D Conclusions summarize results again and comments of any random errors or systematic errors that may affect the experimental results What can you conclude about the crude yield especially if the yield is greater than 100 or less than 50 Explain your reasoning of why that may happen
View Full Document
Unlocking...