User:Michael S. Bible/Notebook/581/2014/09/03: Difference between revisions
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The graph indicates that the molar abosorptivity of Malachite Green at a wavelength of 423 is 0.0283 cm<sup>-1</sup>*M<sup>-1</sup>. | The graph indicates that the molar abosorptivity of Malachite Green at a wavelength of 423 is 0.0283 cm<sup>-1</sup>*M<sup>-1</sup>. | ||
<br>[[Image:Standard_Calibration_at_617_nm.png] | <br>[[Image:Standard_Calibration_at_617_nm.png|500px]] | ||
This standard curve indicates that the molar absorptivity of Malachite Green at a wavelength of 623 nm is 0.1193 cm<sup>-1</sup>*M<sup>-1</sup>. | This standard curve indicates that the molar absorptivity of Malachite Green at a wavelength of 623 nm is 0.1193 cm<sup>-1</sup>*M<sup>-1</sup>. |
Revision as of 05:32, 10 September 2014
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Description
Our group was assigned to do the UV-Vis portion today, and to use the FTIR, DSC, and PXRD on Friday. Note: On Friday Groups A and B will perform the tasks Groups C and D perform on Wednesday and vice versa. Tasks
DataBelow are the graphs of the results of the UV-Vis spectroscopic analysis. The first graph shows the Beer's Law plot derived from data gathered from the UV-Vis specs of the stock solutions at a wavelength of 423 nm. The second graph is a Beer's Law plot of the absorbance values of the various stock solutions at a wavelength of 623 nm. The graph indicates that the molar abosorptivity of Malachite Green at a wavelength of 423 is 0.0283 cm-1*M-1. This standard curve indicates that the molar absorptivity of Malachite Green at a wavelength of 623 nm is 0.1193 cm-1*M-1. |