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A METHOD OF IDENTIFICATION |
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Chromatography
can be used to separate mixtures which don’t include
coloured substances, too: there is nothing special about
coloured substances other than the fact that we can
see them. There are ways of showing up non-coloured
substances, such as looking under UV light.
For a known solvent, we can use the value of:
to identify a substance.
End of section 5. Next page is start of section
6.
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Science Enhancement Programme CD-ROM 2005 |
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