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Color and Absorbance Comparison Summer 2009

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.

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Color and Absorbance Comparison Summer 2009

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  1. Color and Absorbance Comparison Summer 2009

  2. 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

  3. Color Comparison

  4. Color Values Filtered 0.45 @ 440 Filtered 0.22 @ 440 110 % 100% Centrifuged @ 345 10% Filtered 0.45 @ 345

  5. Absorbance Comparison

  6. Absorbance Values Centrifuged @ 345 10% Filtered 0.45 @ 345 510 % 500% Filtered 0.22 @ 440 Filtered 0.45 @ 440

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