Q: An interference filter is to be constructed for isolation of the CS2
An interference filter is to be constructed for isolation of the CS2 absorption band at 4.54 µm. a) If the determination is to be based on first-order interference, how thick should the dielectric la...
See AnswerQ: The following data were taken from a diode-array spectrophotometer in
The following data were taken from a diode-array spectrophotometer in an experiment to measure the spectrum of the Co (II)-EDTA complex. The column labeled Psolution is the relative signal obtained wi...
See AnswerQ: Describe the differences between the following pairs of terms, and list
Describe the differences between the following pairs of terms, and list any particular advantages possessed by one over the other: (a) Solid-state photodiodes and phototubes as detectors for electrom...
See AnswerQ: Define the term spectral bandpass of a monochromator.
Define the term spectral bandpass of a monochromator.
See AnswerQ: Give several advantages of a potentiometric titration over a direct potentiometric measurement
Give several advantages of a potentiometric titration over a direct potentiometric measurement.
See AnswerQ: The molar absorptivity for the complex formed between bismuth (III)
The molar absorptivity for the complex formed between bismuth (III) and thiourea is 9.32 × 103 L cm-1 mol-1 at 470 nm. Calculate the range of permissible concentrations for the complex if the absorban...
See AnswerQ: The molar absorptivity for aqueous solutions of phenol at 211 nm is
The molar absorptivity for aqueous solutions of phenol at 211 nm is 5.28 × 103 L cm-1 mol-1. Calculate the permissible range of phenol concentrations if the transmittance is to be less than 85% and gr...
See AnswerQ: The logarithm of the molar absorptivity for acetone in ethanol is 2
The logarithm of the molar absorptivity for acetone in ethanol is 2.75 at 366 nm. Calculate the range of acetone concentrations that can be used if the absorbance is to be greater than 0.100 and less...
See AnswerQ: The logarithm of the molar absorptivity of phenol in aqueous solution is
The logarithm of the molar absorptivity of phenol in aqueous solution is 4.297 at 211 nm. Calculate the range of phenol concentrations that can be used if the absorbance is to be greater than 0.150 an...
See AnswerQ: A photometer with a linear response to radiation gave a reading of
A photometer with a linear response to radiation gave a reading of 690 mV with a blank in the light path and 169 mV when the blank was replaced by an absorbing solution. Calculate a) The transmittanc...
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