Chemistry Additional
- Created by: Holly Bennett
- Created on: 22-05-12 20:58
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Machines can analyse unknown substances: Advantages:
- Very sensitive
- Very fast
- Very accurate
Gas Chromotography used to identify substances:
The steps:
- A gas used to carry substances through column packed with solid material.
- Substances travel through tube at different speeds so they are separated.
- The time it takes the detector…
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