PCBI105L
May 2X, 202X
M3 - Exercise 2. Post-lab
MATERIALS:
Prepare the following materials for this exercise:
●7 glass vials, cups, or bottles or any suitable transparent container
●Measuring instrument (Syringe, measuring cups, measuring spoons, etc.)
● Any colored liquid of your choice (this is equivalent to your specimen)
●Water
PROCEDURES:
Perform the following procedures step-by-step:
Remember that we will be following the 9:1 principle, wherein there will be 9 parts water and 1 part
"specimen".
1. Obtain 7 glass vials/ bottles and label them #1-7.
2. Add 9 parts of water to containers #1-7.
3. Add 1 part of the colored liquid to vial #1 and mix.
4. Transfer 1 part from vial #1 to vial #2, mix.
5. Transfer 1 part from vial #2 to vial #3, mix.
6. Transfer 1 part from vial #3 to vial #4, mix.
7. Transfer 1 part from vial #4 to vial #5, mix.
8. Transfer 1 part from vial #5 to vial #6, mix.
9. Transfer 1 part from vial #6 to vial #7, mix.
Note: Make sure your measuring instrument is clean aer and for every transfer.
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