User:Paul Rothenberg/Notebook/Pauls Notebook/2012/10/17: Difference between revisions
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== | ==17 October 2012== | ||
* | * Zinc Porphyrin was prepared by Nyousha Yousefi yesterday, and it was processed and filtered today. | ||
*1. 200 mL of chilled, distilled water and an ice bath were prepared | |||
*2. The Zinc Porphyrin was let to chill in the ice bath for 15 minutes. | |||
*3. 200 mL of chilled water was added, and let to sit for 10 minutes. | |||
*4. The mass of the two pieces of filter paper was 0.0706g (x2). | |||
*5. The mixture was run through a vacuum filtration setup. | |||
*6. The mass of the compound plus filter paper was | |||
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