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| Here we amazed everyone with how the ink in a pen is really made up of several colors all mixed up. We showed them how to separate these colors using paper. |
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Saturday Morning at the Lab / Paper ChromatographyDepartment of Chemistry (drs)11/08/1999 |
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| Here we amazed everyone with how the ink in a pen is really made up of several colors all mixed up. We showed them how to separate these colors using paper. |
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