FLORIDA INTERNATIONAL UIVERSITY

DEPARTMENT OF CHEMISTRY & BIOCHEMISTRY

CHM 3120 L: Introduction to Analytical Chemistry Laboratory (1 credit)

Fall 2009

 

Lecture Instructor: Dr. Ramón López de la Vega

                                  

Section:             Day/Time:                    Instructor:                    E-mail:

U01                    Tu 8:00-11:50 am         tba 

U02                    Tu 6:00-9:50 pm           tba

U03                    Th 8:00-11:50 am         tba                       

U04                    Th 2:00-5:50 pm           tba

 

REQUIRED TEXT: Introduction to Analytical Chemistry Laboratory Manual (by Z.C. Morales-Martinez)

 

OTHER MATERIALS NEEDED:

1.      Bound notebook with numbered and carbon copy pages.

2.      Black or blue pen.

3.      Calculator with logarithm function.

4.      Safety glasses and protective clothing (which includes long sleeves).

5.      Padlock for lab drawer.

 

*ALL students taking the lecture course (CHM 3120) MUST take the laboratory course (CHM 3120L) and vice-versa, unless special permission is granted.

 

Grading Policy

 

Reports (90 Points) – The point value for each lab report appears in the Laboratory Experiment Schedule. A late report will cause a one-point reduction (per week from the due date) unless excused by the instructor. The students must turn in all reports in order to have a chance to pass the laboratory. If a report is not handed in, a zero will be assigned to the experiment.

 

Instructor evaluation (10 Points) – This is a grade assigned by the instructor that evaluates the student. Effort, punctuality and attitude are used to assign points.

 

Preparation and Answering of Questions: A complete copy of Pre-Lab Questions will be e-mailed to you by your TA. Students MUST answer the Pre-Lab Questions in their notebook before the lab period. If anybody fails to do this, your entry to that lab will be rejected by the TA and you will get zero for that experiment.

 

Notebook: It must be organized and contain the following information: Date, Title, Pre-Lab Questions, Calculations and Discussion. It must be numbered completely and show work in ink with no white-out.

 

Raw Data: A complete set of Data Sheets will be emailed to you by your TA and you should print them out before the lab. The students should record their data on the Data Sheets with a pen (pencil is unacceptable). Those data sheets MUST be turned in together with your reports on the carbon copy of the notebook.

 

 

Instructions for submitting laboratory experiment results to your instructor:

  1. Your TA will e-mail you all the Microsoft Excel files for you to organize your results. You must use the spreadsheets and fill them in using the program Microsoft Excel.
  2. Once you have entered the data into every box, please use the format/cell/ number command to convert the numbers into the correct number of significant figures (you may be penalized up to 10% of the grade of the report for reporting the incorrect number of significant figures.)
  3. Save the sheet with the original name-XXXX where the 4 X’s represent the last four numbers of your panther ID number. (i.e. pipetcal-1234.xls) (the xls is not needed).
  4. Turn in a copy of the spread sheets together with other parts of your report in your instructor’s mailbox located on the 3rd floor of the chemistry lab area. Keep a copy of your report in your computer in case it is lost.

 

*The student must attend class ON TIME with proper clothing; that is, long sleeves, pants and goggles or safety glasses. There is NO make-up class. If the student misses an experiment, he/she will receive a grade of zero for the experiment.

*Under NO circumstances will a student under the influence of any drug or alcohol be accepted in class.

*The instructor reserves the right to eject a student from the laboratory who DOES NOT follow the safety rules, finishes class requirements (pre-lab, answering questions, etc.) or is late to class. The student will receive a zero for the experiment.

*The student must clean his/her working space including balances before he/she leaves.

 

Date (tentative)

Laboratory Experiment Schedule   -  DOWNLOAD ALL PRE LAB QUESTIONS BY CLICKING HERE

 

Reading Assignment

EXCEL FILES TO DOWNLOAD  ACID BASE TITRATION  EDTA NICKEL  FE REDOX  FLUORIDE  GRAVIMETRIC   HCL STANDARDIZATION   ION EXCHANGE  MN SPEC  PIPET CALIBRATION 

8/25

&

8/27

Check-in; review of laboratory techniques; prepare dessicator; dry gooch filter crucibles; practice pipetting; pick-up crucibles; dry 2g of Na2CO3    TAKING CRUCIBLES TO CONSTANT WEIGHT FORM  

 

Manual:pp.1-8

9/1 & 9/3

Review of laboratory techniques (continued); Calibration of Pipets (10 Points)

 

9/8 & 9/10

Acid-Base Titration – Standardization of HCl (10 Points)  LAB QUESTIONS    XCEL FILE

Manual:pp.13-15

9/15 & 9/17

Gravimetric Determination of Nickel (10 Points)

Manual:pp.9-12

9/22 & 9/24

Gravimetric Determination of Nickel (continued);

dry 5 g of unknown Na2H2EDTA (80°C)

 

9/29 & 10/1

Compleximetric Back Titration of Nickel with EDTA (15 Points)

Manual:pp.33-36

10/6 & 10/8

Determination of Flouride Using Ion Selective Electrode (10 Points)

Manual:pp.37-39

10/13 & 10/15

Acid-Base Titration – Determination of Carbonate Using Indicators (Formal Report; 15 Points);

dry 2g of Na2C2O4

Manual:pp.16-26

10/20 & 10/22

Preparation and Standardization of KMnO4

Manual:pp.51-53

10/27 & 10/29

Determination of Iron Using Redox Titration with KMnO4 (10 Points)   

Manual:pp.49-64

11/3 &

11/5

 Operation of Spec 20; Preparation of Calibration Curve 

Manual:pp.65-73

11/10 & 11/12

Spectrophotometric Determination of Manganese-Alternate Experiment(10 Points)

Manual:pp.75, 76, &79

11/17 & 11/19

Check-out

 

12/01 & 12/03