User:Eleni N. Kalivas/Notebook/CHEM-571/2014/09/05: Difference between revisions
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* UV-vis of malachite green standard solutions | * UV-vis of malachite green standard solutions | ||
[Image:UVis_Graphs.png]] | [[Image:UVis_Graphs.png]] | ||
These graphs display the standard concentrations of malachite green versus the wavelengths. The second graph includes the solution at 8 ppm but is disregarded to make a calibration curve because its peak surpasses 1. | These graphs display the standard concentrations of malachite green versus the wavelengths. The second graph includes the solution at 8 ppm but is disregarded to make a calibration curve because its peak surpasses 1. | ||
* Calibration curves for Malachite green | * Calibration curves for Malachite green | ||
[[Image:Calibration_Curves.png]] | [[Image:Calibration_Curves.png]] | ||
The following graphs plot the absorbance versus the concentration of the standard malachite green solutions. The first graph shows the absorbance at 425 nm. The second graph shows the absorbance at 615 nm. Both graphs have r-squared values close to one. The higher the concentration, the higher the absorbance. | The following graphs plot the absorbance versus the concentration of the standard malachite green solutions. The first graph shows the absorbance at 425 nm. The second graph shows the absorbance at 615 nm. Both graphs have r-squared values close to one. The higher the concentration, the higher the absorbance. | ||
* Absorbance of Malachite Green solutions after absorption of polymer films | * Absorbance of Malachite Green solutions after absorption of polymer films | ||
[[Image:09-05-14-polymerfilm.png]] | [[Image:09-05-14-polymerfilm.png]] |
Revision as of 16:33, 7 September 2014
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Objective
Protocol
Data
These graphs display the standard concentrations of malachite green versus the wavelengths. The second graph includes the solution at 8 ppm but is disregarded to make a calibration curve because its peak surpasses 1.
The following graphs plot the absorbance versus the concentration of the standard malachite green solutions. The first graph shows the absorbance at 425 nm. The second graph shows the absorbance at 615 nm. Both graphs have r-squared values close to one. The higher the concentration, the higher the absorbance.
The absorbance of these solutions are much higher which indicate what we know that the polymer films absorb less malachite green leaving more freely floating in solution. This explain the peak difference between this data and that of the solutions that where the polymer-clay films absorbed malachite green.
This shows how effectively the polymer-clay films were able to absorb the malachite green solutions. The lower intensity as well as the flattened shape especially of the 2ppm demonstrate how effectively the malachite green was absorbed into the film. NotesThe final mass of malachite green absorbed by each film will be determined |