Transcription of A = abc - Academic Computer Center
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CHM 103 Sinex The process of light being absorbed by a solution concentration 2 with sample concentration 1. I < Io blank where Io = I. Spectrophotometry: light An Analytical Tool source detector Io I. As concentration b increased, less light was Cell with transmitted (more Pathlength, b, light absorbed). PGCC CHM 103 Sinex containing solution Some terminology Beer's Law I intensity where Io is initial intensity A = abc T transmission or %T = 100 x T where a molar absorptivity, b pathlength, (absorption: Abs = 1 T or %Abs = 100 - %T) and c molar concentration T = I/ Io See the Beer's Law Simulator A absorbance A = - log T = -log I/ Io PGCC CHM 103 Sinex PGCC CHM 103 Sinex Analyze at what wavelength? The BLANK. Scan visible wavelengths from 400 650 nm (detector range) to produce an absorption The blank contains all substances spectrum (A vs.)
A = abc where a – molar absorptivity, b – pathlength, and c – molar concentration See the Beer’s Law Simulator PGCC CHM 103 Sinex Analyze at what wavelength? Scan visible wavelengths from 400 – 650 nm (detector range) to produce an absorption spectrum (A vs. λ)
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