(under subclass 23.35) Subject matter wherein the sample is treated or modified before being tested, or a predetermined portion of a mass of material is obtained for testing, or a previously obtained sample transported or handled in preparation for analysis, or a previously obtained sample is introduced into an analyzer.
(1) Note. Included here is a liquid sample which is gasified prior to injection into the column.
SEE OR SEARCH THIS CLASS, SUBCLASS:
863+, for sample preparation or sampling, per se.
SEE OR SEARCH CLASS
422, Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing,
