User:Michael F. Nagle/Notebook/Chem 571/2012/09/04: Difference between revisions
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## A serial dilution was repeated with H<sub>2</sub>O rather than Tris. | ## A serial dilution was repeated with H<sub>2</sub>O rather than Tris. | ||
## Test tubes were wrapped and heated at at 80°C for 4 hours. | ## Test tubes were wrapped and heated at at 80°C for 4 hours. | ||
==Data== | |||
Image:BSA_AuNP_Uv-Vis.xlsx | |||
==Conclusions== | |||
* Concentrations of 128-134 should be retested because a significant drop in absorbancy was observed between these values and 120 and 138. Between the mole concentrations of 120 and 128, and 134-138, a significant change in peak height in seen. This indicates a difference in the amount of gold nanoparticles in solution. The range of 128-134 should be tested again because all other concentrations, higher and lower, have much higher peaks. | |||
*Dissolution of fibers in Tris should be tested at pH's 8 and 10 because Tris's optimal range is 7-9. Previous experiments used a pH of 10, which should also be tested so these can be replicated. | |||
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Revision as of 19:38, 13 September 2012
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Objective
Procedure
DataImage:BSA_AuNP_Uv-Vis.xlsx Conclusions
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