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The Effect of Varying the Ratio of Hitenol to Noigen on the Clearing Temperature of the Gel
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Samples (55:31:14) Sample Name Experimental Sample Name Percentage Hitenol+Noigen (Ratio Hit:Noi) Butyl Methacrylate Water A W 54.7% (12.9:1) 30.6%14.7% B 1 54.6% (10.1:1) 31.5%13.8% C 3 55.3% (9.6:1) 30.4%14.3% D Z 54.4% (8:1) 31.3%14.3% E 255.2% (7.5:1) 30.9%13.9%
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Samples (55:31:14) Sample Name Percentage Hitenol+Noigen (Ratio Hit:Noi) Butyl Methacrylate Water A 54.7% (12.9:1) 30.6%14.7% B 54.6% (10.1:1) 31.5%13.8% C 55.3% (9.6:1) 30.4%14.3% D 54.4% (8:1) 31.3%14.3% E 55.2% (7.5:1) 30.9%13.9%
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Samples (55:31:14) Sample Name Percentage Hitenol+Noigen (Ratio Hit:Noi) Butyl Methacrylate Water A 54.7% (12.9:1) 30.6%14.7% B 54.6% (10.1:1) 31.5%13.8% C 55.3% (9.6:1) 30.4%14.3% D 54.4% (8:1) 31.3%14.3% E 55.2% (7.5:1) 30.9%13.9%
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Sample A - 12.9:1
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The value of the (cooling) clearing temperature is: 87.4812 The value of the (heating) clearing temperature is: 86.5312 Sample A - 12.9:1
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Samples (55:31:14) Sample Name Percentage Hitenol+Noigen (Ratio Hit:Noi) Butyl Methacrylate Water A 54.7% (12.9:1) 30.6%14.7% B 54.6% (10.1:1) 31.5%13.8% C 55.3% (9.6:1) 30.4%14.3% D 54.4% (8:1) 31.3%14.3% E 55.2% (7.5:1) 30.9%13.9%
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Sample B - 10.1:1
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The value of the (heating) clearing temperature is: 86.5326 The value of the (cooling) clearing temperature is: 84.5354
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Samples (55:31:14) Sample Name Percentage Hitenol+Noigen (Ratio Hit:Noi) Butyl Methacrylate Water A 54.7% (12.9:1) 30.6%14.7% B 54.6% (10.1:1) 31.5%13.8% C 55.3% (9.6:1) 30.4%14.3% D 54.4% (8:1) 31.3%14.3% E 55.2% (7.5:1) 30.9%13.9%
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Sample C - 9.6:1
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The value of the (heating) clearing temperature is: 85.7208 The value of the (cooling) clearing temperature is: 82.4773 Sample C - 9.6:1
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Samples (55:31:14) Sample Name Percentage Hitenol+Noigen (Ratio Hit:Noi) Butyl Methacrylate Water A 54.7% (12.9:1) 30.6%14.7% B 54.6% (10.1:1) 31.5%13.8% C 55.3% (9.6:1) 30.4%14.3% D 54.4% (8:1) 31.3%14.3% E 55.2% (7.5:1) 30.9%13.9%
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Sample D - 8:1
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The value of the (heating) clearing temperature is: 80.1485 The value of the (cooling) clearing temperature is: 74.0822
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Samples (55:31:14) Sample Name Percentage Hitenol+Noigen (Ratio Hit:Noi) Butyl Methacrylate Water A 54.7% (12.9:1) 30.6%14.7% B 54.6% (10.1:1) 31.5%13.8% C 55.3% (9.6:1) 30.4%14.3% D 54.4% (8:1) 31.3%14.3% E 55.2% (7.5:1) 30.9%13.9%
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Sample E - 7.5:1
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The value of the (heating) clearing temperature is: 75.299 The value of the (cooling) clearing temperature is: 73.2607 Sample E - 7.5:1
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How concentration affects NIR results
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(Original )CNT dispersed in 1% surfactant solution, sonicated at 30 W for 15 minutes, centrifuged at 6000rpm for 30 minutes, decanted and process diluted to ~ 99% and then process repeated
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Diluted to 50% of Original Concentration
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Diluted to 25% of Original Concentration
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Observations General shape the same Intensities different -most dilute solution has overall lower intensity as expected -50% dilution shows increase in intensity at most optical frequencies but NOT at the frequency with the highest peak (???) […Saturation?] Smoothness different -smoothness of curve decreases as we move from highest to lowest concentration (possibly lower concentrations = increased sensitivity… or not?)
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How Power Affects dispersion of SWNT
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Sonication @ 12W for 15 minutes
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Sonication @ 27W for 15 minutes
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Observations General shape the same Peaks more well-defined in higher-power sonication
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http://www.swentnano.com/tech/docs/Proce dure_for_dispersing_SWNT.pdf
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