Concept explainers
(a)
Interpretation:
The length of the mirror derives in a spectrometer at resolution of
Concept introduction:
The FTIR-stands for the Fourier Transform Infrared Spectroscopy. Generally, this technique is used to determine the organic, inorganic and
The length of the mirror derives in a spectrometer is the half of the distance between the mirror derives. The distance between the mirror derives is reciprocal of the resolution of the FTIR spectrometer.
(b)
Interpretation:
The length of the mirror derives in a spectrometer at resolution of
Concept introduction:
The FTIR-stands for the Fourier Transform Infrared Spectroscopy. Generally, this technique is used to determine the organic, inorganic and polymeric materials.
The length of the mirror derives in a spectrometer is the half of the distance between the mirror derives. The distance between the mirror derives is reciprocal of the resolution of the FTIR spectrometer.
(c)
Interpretation:
The length of the mirror derives in a spectrometer at resolution of
Concept introduction:
The FTIR-stands for the Fourier Transform Infrared Spectroscopy. Generally, this technique is used to determine the organic, inorganic and polymeric materials.
The length of the mirror derives in a spectrometer is the half of the distance between the mirror derives. The distance between the mirror derives is reciprocal of the resolution of the FTIR spectrometer.
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Chapter 16 Solutions
Principles of Instrumental Analysis
- Briefly describe how a phase-contrast microscope work and the kind of image that itproduces. Give a specific use for this type of microscope.arrow_forward(b) An aqueous solution whose concentration is 0.00344 M was analysed using spectrophotometer with a molar absorptivity of 412 cm-1 mo1 L in a cell with a 2.00 cm pathlength. Calculate the absorbance and transmittance for the above solution.arrow_forwardExplain why an internal standard is required during sample preparation in quantitative analysis when using atomic spectroscopy?arrow_forward
- Assuming an integrated luminosity of 100 fb is collected at the ATLAS detector at the LHC, calculate the number of h ZZ events where both Z bosons decay to either a ete pair or a u u palr. You may assume that the total Higgs (h) production cross section is o, = 2 x 10' fb, the branching fraction for a Z boson decay to a ee pair is 3.36%, the branching fraction for a Z boson decay to a "u pair is 3.36%, and the branching fraction for a Higgs boson to decay to a pair of Z bosons is 2.7%. Enter your answer in the box below rounded to the nearest integer (e.g. 1234.4 should be entered as 1234). Ancwerarrow_forwardA Raman spectrum of undoped GaAs at room temperature is performed with a 514.5 nm laser. The spectrum of scattered light exhibits peaks at wavelengths of 507.1 nm and 591.6 nm due to interaction of the incident light with LO phonons. Calculate the LO phonon frequency and the ratio of the intensity of scattered light at 507.1 nm to that at 591.6 nm.arrow_forward(a) You measure the percent transmittance of a solution containing chromophore X at 400nm in a 1-cm path length cuvette and find it to be 50%. What is the absorbance of this solution? (b) What is the molar absorptivity of chromophore X if the concentration of X in the solution measured in question (a) is 0.5mM? (c) What is the concentration range of chromophore X that can be assayed if, when using a sample cell of path length 1, you are required to keep the aborbance between 0.2 and 0.8?arrow_forward
Principles of Instrumental AnalysisChemistryISBN:9781305577213Author:Douglas A. Skoog, F. James Holler, Stanley R. CrouchPublisher:Cengage Learning