Organic Chemistry Laboratory Notebook Maintenance

1
Organic Chemistry Laboratory Notebook Maintenance
2
Before coming to class

• Review the POWERPOINT presentation on the course
  website for the experiment.
• Complete PRE-LAB assignment section of laboratory
  notebook.
• Remember, without a COMPLETE PRE-LAB assignment,
  you will not be allowed to do experiment!

3
Pre-lab Assignments

• Located at the end of the POWERPOINT
  presentation for each experiment!
• Pre-lab and in-lab notebook entries vary
  depending on experiment.

4
Step 1 Complete Information at top of page
Experiment title and number
Date
1. Structure, Intermolecular Forces, and
Solubility
8/8/08
Name
Course
Section
Lab partner
Jane Doe
211
M 11
Joe Doe
Give lab day and time here
5
Step 2 Objectives

• Always include a header.
• Give brief description of what you are attempting
  to do and how you are going to do it.

OBJECTIVE To investigate the relationship
between molecular structure, intermolecular
forces and solubility of various organic and
aqueous solvents using solubility testing.
6
Step 3 Table of Physical Data

• Prepare a single, organized table including
  physical constants and hazards for all chemicals
  in list as instructed.
• Physical data is available from MSDS sheets! (see
  WWW Links on course website).
• WIKIPEDIA IS NOT AN ACCEPTABLE SOURCE!

7
Step 3 Finding Physical Data

• Can use one of three sites
• http//hazard.com/msds
• http//sigmaaldrich.com/unitedstates
• http//www.chemexper.com/

8
Step 4 Reference to Procedure

• You are responsible for reading the procedure
  thoroughly before coming to lab, however only
  need to reference the procedure and the manual
  from which it came in the PRE-LAB portion!

Experimental Procedure  (from CHML 211-212
Laboratory Manual for Organic Chemistry, Fall
2010 , Seaton and McCreery , p. 7)
full name of manual, publication date, and
authors, and page number of procedure!
9
Step 5 Day of lab

• Your lab instructor will initial the pre-lab
  portion of your lab notebook prior to the lab
  briefing.
• Without a COMPLETE pre-lab, you will NOT be
  allowed to perform the experiment.

10
Step 6 During the lab

• Note the list of requirements for the experiment.
• Write information down in notebook as you do it,
  not after you leave the room!

• DATA/CALCULATIONS
• Record which unknown was used
• Record distillation range of each fraction
  collected
• Record GC vial slot number for fraction 1
• Record GC vial slot number for fraction 4
• Record GC sample solvent used
• Show one EXAMPLE of an adjusted area percent
  calculation

11
Step 7 During and after the lab

• EXPERIMENTAL PROCEDURE
• In paragraph form, briefly describe the procedure
  that you actually followed during the lab.
• Paragraph must be written in PAST TENSE, PASSIVE
  VOICE.
• Include any mistakes, accidents or observations
  if necessary.

• Each student will submit their own typewritten
  copy of the procedure as performed in the lab.
• This written procedure should be based on what
  you actually did, not what the lab manual told
  you to do (YOUR story, not mine).
• This procedure will be due along with any lab
  notebook pages along with the final lab report.

12
Step 8 After the lab

• Remove the YELLOW lab notebook pages containing
  all pre-lab and in-lab entries for the experiment
  and attach them to your FINAL LAB REPORT for
  grading.