Chromatography: separating a mixture of inks
Lesson 9 / 18
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I can identify the composition of inks using paper chromatography.
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Chromatograms can identify unknown substances through comparison or Rf values.
Appropriate equipment should be used during comparisons, and calculations should consider significant figures.
A fair comparison of chromatograms depends on stationary and mobile phase choices, sample concentration and temperature.
Chromatograms can be used to identify pure and impure substances.
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