User:Paul Rothenberg/Notebook/Pauls Notebook/2012/10/17

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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