Copy of Spectrophotometric Determination of Salicyclic Acid in Aspir

Copy of Spectrophotometric Determination of Salicyclic Acid in Aspir

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Unformatted text preview: Dilution 0 2.5/100 5.0/100 7.5/100 Aspirin Molar Absorptivity: Equation: Concentration 0.000000 0.000075 0.000150 0.000220 0.000091 1658.015267 A=1616c Absorbance 0.000 0.141 0.258 0.367 0.151 Beer's Plot 0.400 0.350 0.300 0.250 Absorbance 0.200 0.150 0.100 0.050 0.000 0.000000 0.000050 0.000100 0.00015 Concentration (M) Beer's Plot 0.000100 0.000150 0.000200 0.000250 Concentration (M) Wavelength (nm) 400 410 420 430 440 450 460 470 480 490 500 510 520 530 540 550 560 570 580 590 600 610 620 630 640 650 660 670 680 690 700 Absorbance 0.500 0.320 0.252 0.216 0.208 0.211 0.220 0.232 0.243 0.251 0.256 0.257 0.256 0.252 0.245 0.238 0.227 0.215 0.200 0.184 0.170 0.157 0.147 0.132 0.118 0.103 0.094 0.084 0.069 0.060 0.052 0.600 0.500 0.400 Absorbance 0.300 0.200 0.100 0.000 410 430 450 470 490 510 530 550 570 590 400 420 440 460 480 500 520 540 560 580 6 Wavelength (nm) 510 530 550 570 590 610 630 650 670 690 0 520 540 560 580 600 620 640 660 680 700 Wavelength (nm) ...
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