(under subclass 19.01) Subject matter wherein the effluent of a mixture of gases, which has contacted a solvent or sorbent which separates the mixture into fractional components, is successively tested to determine the quantity, quality or identity of a component of the effluent.
SEE OR SEARCH THIS CLASS, SUBCLASS:
23.35+, for gas analysis using gas chromatography, and particularly subclass 23.40 for a gas detector which uses gas chromatography to analyze gas.
53.01+, for liquid testing, (e.g., liquid chromatography).
SEE OR SEARCH CLASS
95, Gas Separation: Processes,
82+, for processes of gas separation, per se (i.e., not combined with analysis steps), using chromatography.
96, Gas Separation: Apparatus, 101+, for apparatus for gas separation, per se (i.e., not combined with analysis means), of the chromatos:graphic type.
204, Chemistry: Electrical and Wave Energy,
400+, for electrochemical gas sensors, per se.
210, Liquid Purification or Separation,
660+, for a process of removing a constituent from a liquid by sorption, particularly subclasses 656+ for selective sorptions (e.g., chromatography) subclasses 85+ for a liquid separator with recorder or register and subclasses 263+ for a liquid separator utilizing a bed of particulate material.
324, Electricity: Measuring and Testing, particularly
464+, for analyzing gas using ionization effects, and appropriate subclasses for testing gas by measuring impedance, admittance, and related quantities.
422, Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing,
50+, for an apparatus utilizing a chemical reaction to analyze a gas, particularly subclass 89 for gas chromatography.
436, Chemistry: Analytical and Immunological Testing, appropriate subclasses for a process of gas analysis which utilizes a chemical reaction to determine the gas content of a liquid or a solid, and particularly
68, for determining the gas content of blood, and subclasses 161+ for chromatography.
