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Liquid waste
Liquid waste
Be careful not to overflow! Always use the funnel to avoid spills.
Special instructions for indigo stir bar...
Special instructions for indigo stir bar...
Put the dyed stir bar in the specially marked container in the waste hood where it will be specially cleaned by the stockroom!
What to do with fabric swatches?
What to do with fabric swatches?
After you have made all of your observations, please put them in the solid waste.
A couple more in-lab questions ... click the links or pictures above to re-visit the dyes/dyeing processes!
In-Lab #4 – for *one dye* under normal conditions (untreated/plain):
Briefly comment on the abilities of different fabrics to absorb the dye (color intensity)
Include comments on the structural features of both the fiber and the dye
In-Lab #6:
Comment on how the extent in conjugation (number of pi-electrons, electron-withdrawing/donating groups) affects the color of the dye
Choose 2-3 examples that best exemplified this trend
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