Analytical techniques Flashcards

1
Q

What is IR spectroscopy

A

When a beam of ir radiation is passed through a sample of chemical

The ir is absorbed by the covalent bonds in the molecules

Different bonds absorb different frequencies

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2
Q

C__H. bond frequency

A

2850-3100

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3
Q

O-H bond frequency

A

3200-3600

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4
Q

carboxylic acid bond frequency (O-H)

A

2500-3600

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5
Q

C=O bond frequency

A

1630-1820

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6
Q

How is ir spectroscopy used in real life

A

Breathalisers
gass analysers

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7
Q

What is mass spectroscopy

A

a sample is fired with e- to break it up and then fired along the tube, heavier fragments go further builds a graph

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8
Q
A
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