Chemical Analysis Flashcards
0
Q
2 reasons why instrumental methods are often used for chemical analysis
A
- don’t damage the substance
- can identify all substances in an mixture
1
Q
What 3 things can chemical analysis be used to identify?
A
Drug tests
Additives/ food colourings
What’s in particular drugs
2
Q
What is gas chromatography?
A
Used to separate substances in a gas
3
Q
How does gas chromatography work?
A
Passes the substances in the gas through a gel
4
Q
How can artificial colours be separated?
A
Chromatography
