Forensics- Infrared and Raman Spectroscopy

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12 Terms

1
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It changes the energy or frequency of light striking the sample

In an Infrared spectrometer, what happens when the monochromator is changed, shifted, or swept?

2
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No, they do not

Does Infrared light have energies greator than ultraviolet light?

3
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The energy of the infrared light hitting the sample

What variable is being changed as you move from left to right along the X- axis?

4
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The intensity of the infrared light passing through the sample

What variable is being measured and plotted along the y-axis?

5
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The energy of IR light matches the energy of a molecular vibration

the percent transmittance decreased at this energy of IR light

The peaks in this IR spectrum are pointing down. What does a downward peak indicate in a infrared spectrum?

6
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Nope

Do many different drugs have the same infrared spectrum?

7
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Molecular vibrations

Peaks in a IR spectrum are related to?

8
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Molecular vibrations

Peaks in Raman Spectrum are related to:

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True

IR spectroscopy is considered a confirmation technique

10
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False, it is confirmation technique

Raman Spectroscopy is considered a screening technique

11
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True, they must be fully pure

IN order for IR spect to be used as a drug confirmation technique, does the sample have to have few contaminants?

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Raman Spectroscopy

Which spectroscopy is miniture, which creates a handheld spectrometer that is capable of drug identity confirmation at a crime scene?