Start of chromatogram with felt tip spot on pencil line see ANA139 ANA13A ANA13B

One of four photographs showing Ink from felt tip separating in this photo the ink is at the start of its separation in the chromatogram see photos ANA13B ANA139 and ANA13A for intermediate stages of the chromatogram.

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Photo credit: © sciencephotos / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: chemistry, chromatography, experiment, migrate, mixture, school, science