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Tsvet separated plant pigments into colored bands by passing extracts through adsorbent columns, establishing a general differential-migration method.
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Tsvet’s column separations supplied the named prototype for chromatography and demonstrated differential adsorption and migration.
The source experiment, observation, anomaly, or problem materially motivated the development, revision, or acceptance of the target concept. Historical influence is not logical derivation; the edge detail states the documented role and avoids retrospective origin myths.
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