2017_10_20_notebook_76941.pdf - CHEM 177L/N Fall 2017...

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Curren's Math for Meds: Dosages and Solutions
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Chapter 18 / Exercise 3
Curren's Math for Meds: Dosages and Solutions
Curren/Witt
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1 2 CHEM 177L/N Fall 2017 - [email protected] Weekly Notes/Week 9 PDF Version generated by Michael Momchev on Oct 20, 2017 @04:31 PM CDT Table of Contents Table of Contents Week 9
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Curren's Math for Meds: Dosages and Solutions
The document you are viewing contains questions related to this textbook.
Chapter 18 / Exercise 3
Curren's Math for Meds: Dosages and Solutions
Curren/Witt
Expert Verified
Michael Momchev Oct 16, 2017 @12:03 PM CDT Michael Momchev Oct 17, 2017 @09:39 AM CDT Michael Momchev Oct 16, 2017 @12:04 PM CDT Michael Momchev Oct 16, 2017 @12:39 PM CDT Week 9 Chromatography Name: Michael Momchev Partners' name: Steven Majors and Matthew Ambro Pre-Lab Materials: silica gel plate pencil ruler spotter 300 mL Berzelius Beaker Petri Plate Chemical Safety: Chemical Hazards ethanol flammable. can cause blindness and irritation if swallowed. may irritate skin alanine may irritate eye, skin, respiratory tract, and digestive tract glycine may irritate eye, skin, respiratory tract, and digestive tract histidine may cause reproductive effects isoleucine may irritate eye, skin, respiratory tract, and digestive tract tyrosine may cause reproductive effects valine may irritate eye, skin, respiratory tract, and digestive tract ninhydrin may irritate eye, skin, respiratory tract, and digestive tract. extremely flammable Procedure: Part 1: 1. Draw a pencil line parallel to one of the short sides of the silica plate. Place the line about 1 cm from the edge of the plate. This is the application line. 2. You will apply a small spot of ink sample above the label to which it corresponds. Dip the tip of one of the spotters into the ink solution. Move the tip to the line, just above the relevant label, and touch the tip lightly to the application line. Keep the spot within 2 mm diameter 3. Allow the spots to dry 4. Put 10 mL of the mobile phase for ink in the beaker and replace the cover. Record volume used. Allow this solvent to sit for a few minutes 5. Stand the plate on the beaker so that the spots are on the bottom and the top edge is on the side without falling. Cover the beaker and

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