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 LabJCE 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).