User:Mary Mendoza/Notebook/CHEM 581: Experimental Chemistry I/2014/10/01: Difference between revisions

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* Using a vernier caliper, the thickness of the PVA-clay film used for diffusion is 0.51 mm.
* Using a vernier caliper, the thickness of the PVA-clay film used for diffusion is 0.51 mm.
 
* The diffusion assembly was prepared according to the picture below:
[[Image:10 1 MG Diffusion1 916AM.JPG|thumb|600x600px|left]]
[[Image:10 1 MG Diffusion2 916AM.JPG|thumb|600x600px|center]]


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Revision as of 12:47, 27 November 2014

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Malachite Green Diffusion through PVA-clay film

  • I prepared 20 ppm malachite green from a 195 ppm malachite green stock solution provided by Dr. Hartings.
  • Using dilution equation, the volume of 195 ppm of malachite green required to make 25 mL of 20 ppm was calculated to be 2.56 mL.
  • Using a vernier caliper, the thickness of the PVA-clay film used for diffusion is 0.51 mm.
  • The diffusion assembly was prepared according to the picture below:


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