At 590 nm, crystal violet (a biological stain) has a molar absorptivity (ε) of 8.7×104 M-1cm-1. Using Beer's Law, calculate the concentration of crystal violet in a solution with a measured absorbance (A) of 1.254. The path length (b) is 1.00 cm.
At 590 nm, crystal violet (a biological stain) has a molar absorptivity (ε) of 8.7×104 M-1cm-1. Using Beer's Law, calculate the concentration of crystal violet in a solution with a measured absorbance (A) of 1.254. The path length (b) is 1.00 cm.
Principles of Instrumental Analysis
7th Edition
ISBN:9781305577213
Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Chapter9: Atomic Absorption And Atomic Fluorescence Spectrometry
Section: Chapter Questions
Problem 9.1QAP
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At 590 nm, crystal violet (a biological stain) has a molar absorptivity (ε) of 8.7×104 M-1cm-1. Using Beer's Law, calculate the concentration of crystal violet in a solution with a measured absorbance (A) of 1.254. The path length (b) is 1.00 cm.
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Spectrophotometry is a method to measure how much a substance absorbs light by measuring the intensity of light passing through solution.
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