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Title:

Analytical Chemistry

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Grading/due dates/retesting/electronic submission ... When directed to smell vapors, do so by gently fanning the vapors toward your face- 'waft' ... – PowerPoint PPT presentation

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Title: Analytical Chemistry


1
Analytical Chemistry
  • Welcome Mrs.Shore
  • www.gsgis.k12.va.us/facultyweb/ashore/shore_a.html

2
Classroom Expectations
  • Syllabus
  • Bookmark my webpage!
  • Attendance
  • Grading/due dates/retesting/e- submission
  • Research Project
  • Professionalism/Maturity/Honor
  • Safety
  • School Emergency Situations
  • Evacuation (3rd , 4th, lunch, 5th)
  • In-place sheltering
  • Tornado

3
What is Chemistry?
  • Study of matter under going change
  • Descriptions of physical changes
  • Melting (phase changes), breaking, etc.
  • Evidence of chemical changes
  • Gas production
  • Temperature change (exo- or endo- thermic)
  • Light production
  • Precipitation (formation of solid)
  • Color change
  • FUN!
  • But safe.

4
Laboratory Equipment Safety
5
  • Anyone engaging in deliberate, unsafe acts will
    be removed from the laboratory no data, no
    grade. Discussion with parent is required before
    privilege is re-instated.
  • Safety goggles are to be worn at all times in the
    laboratory.
  • Open shoes, sandals, or bare feet are not allowed
    in the laboratory.
  • Glass shards, acid spills.

6
  • Long hair should be pulled back.
  • Follow ALL written and oral instructions given by
    the instructor.
  • Students are not to perform any unauthorized
    experiments in the lab.

7
  • Never point the test tube opening toward anyone
    or yourself.
  • Never taste a chemical (reagent).
  • When directed to smell vapors, do so by gently
    fanning the vapors toward your face- waft.
  • Acid is added to water (not water poured into
    acid)

Angle of tube is good, but what rule is she
violating?
8
  • Never eat or drink in the laboratory.
  • Dont trust that residue is not on counters!
  • Never touch or pick up any chemical with your
    hands.
  • Read the chemical reagents label carefully before
    transferring.
  • Immediately flood the chemical burn with large
    amounts of tap water. Have another student tell
    the teacher.

9
  • Chemical Reagent Use
  • Do not take the reagent bottles to your lab
    station.
  • Do not take more material than is required.
  • Never return unused reagents to the reagent
    bottles and
  • always return chemical to its proper place on the
    cart or table.
  • Chemical information on MSDS binder in prep
    area.
  • Report all accidents (no matter how minor) to
    your instructor immediately.

10
  • Close all drawers and cabinet doors. Keep
    passages clear.
  • Do not sit on the lab counters.
  • Report any cracked, or broken glass to the
    instructor for cleanup disposal.
  • Never heat anything unless instructed to do so.
    Never heat a closed container.

11
  • Be aware of the location of the fume hood, fire
    extinguisher, eye wash station, shower, and first
    aid kit.
  • Look around and find these now.
  • Clean off your lab station at the end of each lab
    activity.
  • Wash your hands to avoid contamination.
  • Make note of particular medical issue on the
    safety contract.
  • matter, chemphys.ppt
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