G01N2021/1751 - CPC Classification Index

ClassID:

167757 ⎘

G01N2021/1751 - CPC Classification

Classification description:

Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light; Systems in which incident light is modified in accordance with the properties of the material investigated; Comparative step being essential in the method Constructive features therefore, e.g. using two measurement cells

Sub-classes:

G01N2021/1753 » {and using two light sources} 5
G01N2021/1755 » {and using two apparatus or two probes} 4

Recent Application in this class:

20250369873

INSPECTION SYSTEM, INSPECTION METHOD, MODEL GENERATION SYSTEM, DETERMINATION SYSTEM, MODEL GENERATION METHOD, AND PROGRAM

20240201094

MEASURING DEVICE FOR MEASURING AT LEAST ONE MEASURAND OF A MEDIUM

20210109017

Gas sensor device and method of manufacturing the same

20190079007

Apparatus and methods for measuring the refractive index of a fluid

20180164268

HYDROGEN SULFITE DETECTION USING A SPHERE

20170102317

DEVICE FOR MONITORING A LIGHT SOURCE OF AN OPTICAL SENSOR

20160161399

System and method for determining a concentration of a compound in a solvent

20150300947

System and method for determining the concentration of tetrahydrocannabinol

20110292394

Optical sensing devices and methods for detecting samples using the same

20060007445

Arsenic meter

20050164754

Method of measuring freshness of cereals and apparatus therefor