Chem 454 Lab Syllabus – Spring 2024
TA: TBA, Ren 039 Office Hours, TBA
Link To Chem 454 Lecture and Syllabus Cheng Group Web Site
Note: To be updated throughout the semester. Last Update Dec. 13, 2023
First Day of Chem 454 Lab, Jan 11, 2024
Supplied Text: Chemistry
Experiments for Instrumental Methods, DT Sawyer, WR Heineman, JM Beebe, John
Wiley & Sons 1984.
Labs – 1. Cyclic Voltammetry (J. Chem Ed. 2018) and Amperometry, 2. FT-IR, 3. Atomic Absorption Spectrometry, 4. HPLC Analysis of Caffeine.
Useful
Links: Electrochemistry: Pine
Research, FT-IR: Glycerol in Biodiesel
– IR Spectrum, JCE
Lab – JCE Lab, NIR
of Shampoo, IR Sample Video Holder, AA: JCE Labs (1, 2), GC-MS: Caffeine
100
total points
Laboratories:
Dates Topic
Jan.
18 Organizational Meeting,
Formation of Team Members, groups I, II, III, IV and Description of Labs, IR and AA labs
Jan.
25 Demonstration
of IR and AA Labs by TA, Write-up procedures for Labs Due 8 am Jan 27 by email
to TA.
|
IR |
AA |
1:30-3:30
pm |
Groups
I and II |
-- |
3:30-5:30
pm |
-- |
Groups
III and IV |
Feb.
1 Experiments conducted by
students. Method Development for Analytes. Calibration Studies with Standards.
|
IR |
AA |
1:30-3:30
pm |
I |
III |
3:30-5:30
pm |
II |
IV |
Feb.
8 Experiments
conducted by students. Continue with Analysis of Unknowns.
|
IR |
AA |
1:30-3:30
pm |
II |
IV |
3:30-5:30
pm |
I |
III |
Feb.
15 Team Presentation of IR and
AA Lab Results
Feb.
22 Demonstration of IR and AA
Labs.
|
IR |
AA |
1:30-3:30
pm |
Groups
III and IV |
|
3:30-5:30
pm |
|
Groups
I and II |
Feb
29. Experiments conducted by
students.
|
IR |
AA |
1:30-3:30
pm |
III |
I |
3:30-5:30
pm |
IV |
II |
Mar.
7 Experiments conducted by students.
Continue with Analysis of Unknowns.
|
IR |
AA |
1:30-3:30
pm |
IV |
II |
3:30-5:30
pm |
III |
I |
Written
3-page lab report due Mar 22, 5 pm by email to TA.
Mar.
14 Spring Break
Mar.
21 Description of Cyclic
Voltammetry (CV), Amperometry and High Performance Liquid Chromatography (HPLC)
Demonstration
of CV and HPLC Labs by TA, Write-up procedures for Labs Due 8 am April 1 by
email to TA.
|
CV,
amp |
HPLC |
1:30-3:30
pm |
Groups
I and II |
-- |
3:30-5:30
pm |
-- |
Groups
III and IV |
Mar.
28 Experiments conducted by students. Method Development for Analytes.
Calibration Studies with Standards.
|
CV,
amp |
HPLC |
1:30-3:30
pm |
I |
III |
3:30-5:30
pm |
II |
IV |
Apr.
4 Experiments conducted by students. Continue
with Analysis of Unknowns.
|
CV,
amp |
HPLC |
1:30-3:30
pm |
II |
IV |
3:30-5:30
pm |
I |
III |
Apr.
11 Team Presentation of Lab Results
Apr.
18 Experiments conducted by students.
|
CV,
amp |
HPLC |
1:30-3:30
pm |
III |
I |
3:30-5:30
pm |
IV |
II |
Apr.
25 Experiments conducted by students. Continue with Analysis of Unknowns.
|
IR |
AA |
1:30-3:30
pm |
IV |
II |
3:30-5:30
pm |
III |
I |
May
2. Written 3-page lab report due, 5 pm by
email to TA. Check out and lab cleanup (10 points).