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5 cards from this section. Quick, good the night before a test.
What is the primary function of a monochromator?
Think about what is done to light before it hits the sample.
Why are quartz cuvettes used in UV-Visible spectroscopy?
Consider the type of light being measured.
What component in a spectroscopic instrument generates light?
Think about what produces light in the instrument.
True or False: A monochromator is used to detect light intensity.
Consider the roles of different components in the instrument.
A researcher is measuring the concentration of a solution using UV-Visible spectrophotometry. She uses a quartz cuvette but accidentally switches to a glass cuvette for a UV measurement. Discuss the implications of this switch on her data accuracy.
Think about how cuvette materials interact with different wavelengths of light.
If a monochromator is set incorrectly and selects a wavelength that is not suitable for the sample, how might this affect the results obtained from an analysis?
Consider what specifics about the sample might be overshadowed by improper wavelength selection.
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