(under the class definition) Processes and compositions in which the result of a chemical reaction is subjected to chromatos:graphic separation or analysis is carried out by chromatography using a chromophore.
SEE OR SEARCH CLASS
73, Measuring and Testing,
61.62+, for methods of liquid chromatography which do not involve a chemical reaction; subclasses 54.01+ for viscosity measuring methods; subclasses 64.45+ for measurement of vapor pressure; subclasses 64.47+ for measurement of osmotic pressure; subclasses 64.48+ for measurement of surface tension.
95, Gas Separation: Processes,
82+, for processes of gas separation using chromatography.
210, Liquid Purification or Separation,
656, for chromatography columns for generic fluids or liquids when there is no analysis of the displaced liquid. 356, Optics: Measuring and Testing,
409+, for a process including liquid or gas chromatography wherein a fluid substance, a solute in a solvent, or a miscible liquid is examined by a transmissive light test to furnish quantitative or qualitative determination with respect to chemical composition of the material analyzed in the absence of a color development reaction.
422, Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing,
50+, for analytical apparatus involving chromatography or a colorimeter wherein a reactive reagent is used to develop color.
