chromatographical

/ˌkroʊməˈtɒɡrəfɪkəl/
adjective
  1. Relating to chromatography, a method used to separate mixtures into their different parts.
    • Chromatographical analysis showed that the sample contained three different dyes.
    • Students learned about chromatographical methods in their chemistry class.
    • The lab technician used a chromatographical technique to analyze the plant pigments.
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