ClassID:

168856

G01N30/722 - CPC Classification

Classification description:

Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation; Column chromatography; Detectors specially adapted therefor; Mass spectrometers interfaced to gas chromatograph through a gas permeable barrier (membranes, porous layers)

Recent Application in this class: