color and absorbance comparison summer 2009
DESCRIPTION
Color and Absorbance Comparison Summer 2009. Perkin Elmer Spectrophotometer. 1 cm path length 345 & 440 nm wavelenghts Filtered with 0.45 & 0.22 um cellulose filters Centrifuged for 30 minutes Dilutions accounted for in all values. Color Comparison. Color Values. Filtered 0.45 @ 440. - PowerPoint PPT PresentationTRANSCRIPT
![Page 1: Color and Absorbance Comparison Summer 2009](https://reader035.vdocuments.us/reader035/viewer/2022062410/56815ecf550346895dcd5c2a/html5/thumbnails/1.jpg)
Color and Absorbance Comparison
Summer 2009
![Page 2: Color and Absorbance Comparison Summer 2009](https://reader035.vdocuments.us/reader035/viewer/2022062410/56815ecf550346895dcd5c2a/html5/thumbnails/2.jpg)
Perkin Elmer Spectrophotometer
• 1 cm path length• 345 & 440 nm wavelenghts• Filtered with 0.45 & 0.22 um cellulose filters• Centrifuged for 30 minutes• Dilutions accounted for in all values
![Page 3: Color and Absorbance Comparison Summer 2009](https://reader035.vdocuments.us/reader035/viewer/2022062410/56815ecf550346895dcd5c2a/html5/thumbnails/3.jpg)
Color Comparison
![Page 4: Color and Absorbance Comparison Summer 2009](https://reader035.vdocuments.us/reader035/viewer/2022062410/56815ecf550346895dcd5c2a/html5/thumbnails/4.jpg)
Color ValuesFiltered 0.45 @ 440
Filtered 0.22 @ 440
Centrifuged @ 345
Filtered 0.45 @ 345
110 %10%
100%
![Page 5: Color and Absorbance Comparison Summer 2009](https://reader035.vdocuments.us/reader035/viewer/2022062410/56815ecf550346895dcd5c2a/html5/thumbnails/5.jpg)
Absorbance Comparison
![Page 6: Color and Absorbance Comparison Summer 2009](https://reader035.vdocuments.us/reader035/viewer/2022062410/56815ecf550346895dcd5c2a/html5/thumbnails/6.jpg)
Absorbance Values
Filtered 0.45 @ 440
Filtered 0.22 @ 440
Centrifuged @ 345
Filtered 0.45 @ 345
510 %
10%
500%
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