G01N2030/621 - CPC Classification Index

ClassID:

168840 ⎘

G01N2030/621 - 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 signal-to-noise ratio

Sub-classes:

G01N2030/623 » {by modulation of sample feed or detector response} 20
G01N2030/625 » {by measuring reference material, e.g. carrier without sample} 25

Recent Application in this class:

20240248069

AN ANALYZER SYSTEM

20240230602

Electrolytic Device Noise Reduction and Lifetime Improvement Using Modulated Driver

20230055025

Systems and methods for an absorbance detector with optical reference

20210217600

Variable discriminator threshold for ion detection

20210108962

Systems and methods for an absorbance detector with optical reference

20190186995

Systems and methods for an absorbance detector with optical reference

20170253489

Graphene-based inorganic-organic hybrid materials and separation of racemic mixtures

20170030873

Thermal Conductivity Detector

20160334376

Method and thermal conductivity detector

20110310390

Methods and apparatus for analyzing samples and collecting sample fractions

20100238444

Methods and apparatus for analyzing samples and collecting sample fractions

20090249959

Gas chromatographic device

20090183634

Gas chromatographic device

20080245133

Apparatus and method for eliminating the breakthrough peak in differential detectors

20070079659

Multi-capillary viscometer system and method