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PCE
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CPC Subgroup
G01N 27/416

Systems (G01N27/27 takes precedence)

Full Title

Investigating or analysing materials by the use of electric, electrochemical, or magnetic means (G01N3/00 – G01N25/00 take precedence; measurement or testing of electric or magnetic variables or of electric or magnetic properties of materials G01R) > by investigating electrochemical variables; by using electrolysis or electrophoresis > Systems (G01N27/27 takes precedence)

9 direct subcodes

Child Classifications

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  • G01N 27/48 using polarography, i.e. measuring changes in current under a slowly-varying voltage
  • G01N 27/49 Systems involving the determination of the current at a single specific value, or small range of values, of applied voltage for producing selective measurement of one or more particular ionic species