lab13n - R = 0.99 ln Activity vs. Time: Using Slope to...

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Michael Slagh SC151/4511 Lab 13N Time (min) Activity (cpm) 0.0 20000 9.90 0.5 18000 9.80 1.0 14000 9.55 1.5 13000 9.47 2.0 12000 9.39 2.5 10000 9.21 3.0 9000 9.10 3.5 7000 8.85 4.0 5000 8.52 4.5 5000 8.52 5.0 4800 8.48 5.5 3300 8.10 6.0 3300 8.10 6.5 3300 8.10 7.0 2800 7.94 7.5 2700 7.90 8.0 2500 7.82 8.5 2200 7.70 9.0 2000 7.60 9.5 1700 7.44 10.0 1500 7.31 11.0 1200 7.09 12.0 1000 6.91 13.0 800 6.68 14.0 600 6.40 15.0 500 6.21 ln activity 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 0 2500 5000 7500 10000 12500 15000 17500 20000 Activity vs. Time: Half-Lives and Measuring Radioactive Decay Time (min) Activity (cpm) 0.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0 16.0 4.00 5.00 6.00 7.00 8.00 9.00 10.00 11.00 f(x) = -0.24x + 9.74
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Unformatted text preview: R = 0.99 ln Activity vs. Time: Using Slope to Calculate K Time (min) ln Activity (ln cpm) Gamma Beta Density (mg/cm^2) Penetration (%) Density (mg/cm^2) Penetration (%) 100 100 21.5 91.1 21.5 88.5 40.9 54.9 40.9 5.4 188.3 54.3 188.3 0.95 376.6 47 376.6 1.1 50 100 150 200 250 300 350 400 20 40 60 80 100 120 Gamma and Beta Absorption of Radiation Column C Column G Total Area Density (mg/cm*cm) Penetration (%)...
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This lab report was uploaded on 04/21/2008 for the course SC 151 taught by Professor Donough during the Fall '04 term at Naval Academy.

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lab13n - R = 0.99 ln Activity vs. Time: Using Slope to...

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