Lab Introduction - Analytical Chemistry
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Transcript Lab Introduction - Analytical Chemistry
59-320
Analytical Chemistry Laboratories
Laboratory Information
Log onto https://clew.uwindsor.ca for all
laboratory-related material
Laboratory Notebooks
• Hard-covered
• No tear-out or removable pages (i.e. spiral
notebooks)
ACCEPTABLE
NOT ACCEPTABLE
Laboratory Notebooks
Purpose: To record:
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Measurements
Calculations
Observations
Comments
Laboratory Notebooks
Etiquette:
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Ink only; no pencil
No white-out for mistakes
No printouts, including Data Sheets
Number right-hand pages in top right corner:
o
o
Roman numerals i to iv for Table of Contents
Arabic numbers 1 to 60 after Table of Contents
• New experiments start on right-hand pages
Pre-Laboratory Assignments
Purpose
Safety hazards: chemical and safety precautions
Flow chart: detailed steps and timeline
Pre-laboratory calculations
Exp. 2 – Post-Lab; Exp. 3 – Post-Lab
•
Schedule is posted on CLEW
Worth: 1% of experiment
Glassware and Equipment
Balance
• balance assignment
• Keep area clean (possible deduction for untidiness)
Student locker:
• locker assignment
• Check-in: Introductory lab
• Check-out: Experiment 5
o
o
All glassware must be present, clean, and in same condition
as received
Damaged or missing glassware deducted from caution card
Important:
These lockers are not to be used as personal lockers. Please do not
store lab coats, safety glasses, and/or laboratory notebooks in these
lockers. These items will be confiscated if found in the lockers.
Calculations
Request to review calculations will only be
considered if:
• written in ink (no pencil)
• written directly in laboratory notebook (no looseleaf papers)
• within two weeks of when the experiment was
performed
Answer Cards
All answer cards are due two days after the
laboratory session
Grades are based on accuracy of unknown
Do not include calculations
Questions regarding calculations should
contact GA’s directly (not at last minute!)
Cards will be marked once every group has
submitted a card
Answer Cards
5%
Make-Up Experiment
(Tentative)
Dates and times TBA (if time and space allows)
May be scheduled outside of regularly
scheduled laboratory session
Choice of ONE experiment (Experiment 1 to 4)
Must attend the introductory laboratory to
qualify for a make-up experiment
Laboratory grade assigned for repeated
experiment will be the recorded grade
o
If the grade is lower than previously acquired, the
lower grade will be the accepted grade
Attendance
Contact your GA immediately if absent
Medical note is required within 2 to 3 days of
missed laboratory
Consequences
Limited room in laboratory sections
Laboratory Grades
Any disputes or concerns regarding a
laboratory grade must be addressed no later
than two weeks after experiment has finished
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Ask GA to review calculations
Calculations done correctly imperative if planning
to do make-up lab (if offered)
Contact Information
Laboratory Coordinator:
Una Lee
Essex Hall, Room 175
Email: [email protected]
Office Hours: Monday to Friday
8:30 a.m. to 4:30 p.m.
(After hours: Please speak to Nedhal Al-Nidawy)
Question Period
Any questions?
Good Luck!