G01N21/72 - CPC Classification Index

ClassID:

168058 ⎘

G01N21/72 - 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 the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light thermally excited using flame burners

Sub-classes:

G01N2021/725 » {for determining of metalloids, using Beilstein type reaction} 0

Recent Application in this class:

20230258559

2023-08-17

LASER HETERODYNE COMBUSTION-EFFICIENCY MONITOR AND ASSOCIATED METHODS

20230160813

2023-05-25

Device and method for simultaneously measuring mercury, cadmium, zinc and lead

20220120616

2022-04-21

EQUIPMENT AND METHOD FOR THREE-DIMENSIONAL RADIANCE AND GAS SPECIES FIELD ESTIMATION IN AN OPEN COMBUSTION ENVIRONMENT

20210207802

2021-07-08

Flame module for a spectrometer

20200240920

2020-07-30

Real-time detection device and method for domestic waste components in an incinerator

20190178864

2019-06-13

Online monitor for trace sodium in high-purity water, and online monitoring method and device thereof

20180209853

2018-07-26

Equipment and method for three-dimensional radiance and gas species field estimation in an open combustion environment

20170336375

2017-11-23

Gas analysis apparatus

20160363528

2016-12-15

Online detection method of gaseous alkali metal concentration in boiler burning flame

#10

20160131561

2016-05-12

Rapid quantitative element testing

#11

20150104750

2015-04-16

Couplings for flame observation devices

#12

20150015885

2015-01-15

FLAME PHOTOMETRIC DETECTOR

#13

20140212824

2014-07-31

Systems, methods, and computer program products providing flame detection

#14

20140118742

2014-05-01

Flame photometric detector

#15

20130301045

2013-11-14

Atomic absorption spectrometer

#16

20130233057

2013-09-12

Device for analyzing at least one hydrocarbon contained in a drilling fluid and associated method

#17

20130141721

2013-06-06

Spatially-and temporally-resolved multi-parameter interferometric rayleigh scattering system and method

#18

20120260715

2012-10-18

Gas analyzing system

#19

20120228144

2012-09-13

High-purity fluorine gas, the production and use thereof, and a method for monitoring impurities in a fluorine gas

#20

20120174590

2012-07-12

System and method for controlling combustor operating conditions based on flame detection

#21

20120141946

2012-06-07

Counter-flow combustor

#22

20120140218

2012-06-07

Atomic absorption instrument

#23

20120032097

2012-02-09

Flame detector personality module

#24

20110301910

2011-12-08

Systems and methods for radiance efficiency measurement

#25

20110138813

2011-06-16

Impurity detection in combustor systems

#26

20110122396

2011-05-26

Photonic measurement instrument using fiber optics

#27

20110008737

2011-01-13

OPTICAL SENSORS FOR COMBUSTION CONTROL

#28

20100313572

2010-12-16

Optical interrogation sensors for combustion control

#29

20100271631

2010-10-28

Sample excitation apparatus and method for spectroscopic analysis

#30

20100103424

2010-04-29

Three-dimensional optical sensor and system for combustion sensing and control

#31

20090287424

2009-11-19

Method and apparatus of measuring particulate matters

#32

20090017406

2009-01-15

Combustion control system of detection and analysis of gas or fuel oil flames using optical devices

#33

20080213908

2008-09-04

FLAME DETECTOR

#34

20080020479

2008-01-24

Method and device for determining the smoke point of hydrocarbons

#35

20070188759

2007-08-16

Colorimeter operating on color matching logic

#36

20070092970

2007-04-26

High-throughput screening assay for Na, K-ATPase using atomic absorption spectroscopy

#37

20060199123

2006-09-07

Intelligent flame scanner

#38

20060153734

2006-07-13

Flame photometric detector having improved sensitivity

#39

20060152720

2006-07-13

Method and device for the detection of the presence, and the real-time analysis of, chemical and/or biological substances in the atmosphere

#40

20050287033

2005-12-29

Micro flame detector and method for gas chromatography

#41

20050263705

2005-12-01

Carbon dioxide concentration measuring device, method of measuring carbon dioxide concentration and burning appliance

#42

20050238533

2005-10-27

Refrigerant leak detector

#43

20050225759

2005-10-13

Method and device for viewing a burner flame

#44

20050007585

2005-01-13

Flame atomic absorption spectrophotometer