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When absorption spectroscopy is used for quantitative analysis, concentration of the analyte is directly proportional to A) molar absorptivity D) absorbance D) Which of the following equations provide the fundamental reason why absorbance above 4 tend to produce significant noise? A) A = EbC No go B) wavelength E) beam path length ΔΕ KT C) transmittance B) E = Eº - RInA nF E) E = hv C) A = -logT Which of the following statements concerning fluorescence spectroscopy is incorrect? A) Fluorescence intensity is directly proportional to the fluorophore concentration. B) Fluorescence happens faster than phosphorescence. C) Fluorescence is more sensitive for quantitative analysis than absorption spectroscopy. D) Fluorescence does not need an optical source because it is a form of emission spectroscopy.

When absorption spectroscopy is used for quantitative analysis, concentration of the analyte is directly proportional to A) molar absorptivity D) absorbance D) Which of the following equations provide the fundamental reason why absorbance above 4 tend to produce significant noise? A) A = EbC No go B) wavelength E) beam path length ΔΕ KT C) transmittance B) E = Eº - RInA nF E) E = hv C) A = -logT Which of the following statements concerning fluorescence spectroscopy is incorrect? A) Fluorescence intensity is directly proportional to the fluorophore concentration. B) Fluorescence happens faster than phosphorescence. C) Fluorescence is more sensitive for quantitative analysis than absorption spectroscopy. D) Fluorescence does not need an optical source because it is a form of emission spectroscopy.

Fundamentals Of Analytical Chemistry
Fundamentals Of Analytical Chemistry
9th Edition
ISBN:9781285640686
Author:Skoog
Publisher:Skoog
Chapter25: Instruments For Optical Spectrometry
Section: Chapter Questions
Problem 25.14QAP
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When absorption spectroscopy is used for quantitative analysis, concentration of the analyte is directly proportional to A) molar absorptivity D) absorbance D) Which of the following equations provide the fundamental reason why absorbance above 4 tend to produce significant noise? A) A = EbC No go B) wavelength E) beam path length ΔΕ KT C) transmittance B) E = Eº - RInA nF E) E = hv C) A = -logT Which of the following statements concerning fluorescence spectroscopy is incorrect? A) Fluorescence intensity is directly proportional to the fluorophore concentration. B) Fluorescence happens faster than phosphorescence. C) Fluorescence is more sensitive for quantitative analysis than absorption spectroscopy. D) Fluorescence does not need an optical source because it is a form of emission spectroscopy.
Transcribed Image Text:When absorption spectroscopy is used for quantitative analysis, concentration of the analyte is directly proportional to A) molar absorptivity D) absorbance D) Which of the following equations provide the fundamental reason why absorbance above 4 tend to produce significant noise? A) A = EbC No go B) wavelength E) beam path length ΔΕ KT C) transmittance B) E = Eº - RInA nF E) E = hv C) A = -logT Which of the following statements concerning fluorescence spectroscopy is incorrect? A) Fluorescence intensity is directly proportional to the fluorophore concentration. B) Fluorescence happens faster than phosphorescence. C) Fluorescence is more sensitive for quantitative analysis than absorption spectroscopy. D) Fluorescence does not need an optical source because it is a form of emission spectroscopy.
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