User:Sarah Burkhard/Notebook/CHEM 481 Polymers/2016/10/19: Difference between revisions
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== | ==Heavy metals== | ||
We will start measuring our beads' absorbance capacity of heavy metals. We will use solutions "contaminated" with Zinc, Lead, and Copper, as these are most common in the DC metro area. | |||
10 ml 120 ppm Zinc solution was prepared, potentially to be diluted to ppb. | |||
Zinc source was Zinc chloride. 0.0012 g ZnCl was added to 10 ml water. | |||
A 20 % bead column was prepared. Wet weight (with soaked diaphragm, tube, labels, and top): | |||
Weight with beads: | |||
Mass of beads: | |||
Revision as of 10:23, 19 October 2016
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Heavy metalsWe will start measuring our beads' absorbance capacity of heavy metals. We will use solutions "contaminated" with Zinc, Lead, and Copper, as these are most common in the DC metro area. 10 ml 120 ppm Zinc solution was prepared, potentially to be diluted to ppb. Zinc source was Zinc chloride. 0.0012 g ZnCl was added to 10 ml water. A 20 % bead column was prepared. Wet weight (with soaked diaphragm, tube, labels, and top): Weight with beads: Mass of beads:
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