ClassID:

168959

G01N31/005 - CPC Classification

Classification description:

Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods investigating the presence of an element by oxidation

Sub-classes:
Recent Application in this class:
#1
20260133158
2026-05-14

SYSTEM AND METHOD FOR DETERMINING A CONCENTRATION OF AN ANALYTE IN A CARRIER GAS OF A QUASI-BINARY OR BINARY GAS MIXTURE

#2
20260118326
2026-04-30

ANALYSIS METHOD FOR SAMPLE CONTAINING MERCURY

#3
20260098842
2026-04-09

DEVICES, SYSTEMS, AND METHODS FOR TOC ANALYSIS WITH AN ACTIVE FLOW

#4
20250354917
2025-11-20

METHOD FOR THE QUANTIFICATION OF SODIUM IN PETROLEUM RESIDUES

#5
20250244246
2025-07-31

Photolytic Converter

#6
20250067711
2025-02-27

DETECTION OF PER AND POLYFLUOROALKYL SUBSTANCES USING TOTAL ORGANIC FLUORIDE

#7
20250044268
2025-02-06

METHOD AND APPARATUS FOR RAPID ROCK AND SOIL TESTING

#8
20240410865
2024-12-12

ANALYSIS SYSTEM

#9
20240377367
2024-11-14

Gas-Liquid Separator, Total Organic Carbon Analyzer, and Analysis System

#10
20230349871
2023-11-02

METHOD FOR DETECTING AND QUANTIFYING OXYGEN IN OXIDIZABLE COMPOUNDS

#11
20230341364
2023-10-26

METHOD FOR DETERMINING ANTIOXIDANT CAPACITY IN BEVERAGES

#12
20230228726
2023-07-20

Detection of per and polyfluoroalkyl substances using total organic fluoride

#13
20230136954
2023-05-04

TOTAL ORGANIC CARBON MEASUREMENT DEVICE AND TOTAL ORGANIC CARBON MEASUREMENT METHOD

#14
20230011100
2023-01-12

TOTAL ORGANIC CARBON MEASUREMENT METHOD AND TOTAL ORGANIC CARBON MEASUREMENT DEVICE

#15
20220412893
2022-12-29

PHOTOLYTIC CONVERTER

#16
20220317080
2022-10-06

DERIVED ALKALINITY

#17
20210285886
2021-09-16

Method for chemiluminescent sulphur detection and a furnace

#18
20210190741
2021-06-24

Method and system for inspecting growth quality of graphene

#19
20210116415
2021-04-22

Aqueous sample measurement via oxidizing metal to higher valence

#20
20210096112
2021-04-01

Arsenic analysis

#21
20210088491
2021-03-25

FUSE FOR DETECTING FAILURE OF GAS TRAP

#22
20200268323
2020-08-27

Methods and apparatus for analyte concentration monitoring using harmonic relationships

#23
20200268290
2020-08-27

Methods and apparatus for analyte concentration monitoring using harmonic relationships

#24
20200141916
2020-05-07

Digestion of lead(0) and subsequent colorimetric detection of lead(II)

#25
20190317067
2019-10-17

Optical gas analyzer and method for measuring nitrogen oxides in an exhaust gas

#26
20190302085
2019-10-03

TOC measurement method and TOC measurement apparatus used therefor

#27
20190086337
2019-03-21

Photolytic converter

#28
20190079065
2019-03-14

Method for quantifying the pyritic sulfur and the organic sulfur of a rock sample

#29
20190004019
2019-01-03

Method for detecting and quantifying oxygen in oxidizable compounds by oxidizing a sample with an isotopic oxygen composition different from natural abundance

#30
20180328873
2018-11-15

Catalytic-conversion-type sensor

#31
20180321202
2018-11-08

METHODS AND DEVICES FOR DETECTING METHANOL POISONING USING FORMATE OXIDASE

#32
20180136186
2018-05-17

Water quality analysis device

#33
20180113103
2018-04-26

Apparatus for measuring ammonia concentration, system for measuring ammonia concentration, system for treating exhaust gas, and method for measuring ammonia concentration

#34
20180017473
2018-01-18

Methods of analyzing carbon nanostructures, methods of preparation of analytes from carbon nanostructures, and systems for analyzing carbon nanostructures

#35
20170363593
2017-12-21

Method for measuring the concentration of a chemical species using a reagent baseline

#36
20170227216
2017-08-10

SYSTEM AND METHOD FOR CONTROLLING ONE OR MORE PROCESS PARAMETERS ASSOCIATED WITH A COMBUSTION PROCESS

#37
20170089877
2017-03-30

Fuse for detecting failure of gas trap

#38
20160377563
2016-12-29

Analytical device for the elementary analysis

#39
20160209389
2016-07-21

Metal collection solution and method of analyzing substrate contamination

#40
20160054228
2016-02-25

Total nitrogen measurement apparatus

#41
20160047783
2016-02-18

System for measuring carbon component contained in particulate matter

#42
20160011118
2016-01-14

Method for quantitative determination of oxidant and apparatus for quantitative determination of oxidant

#43
20150153316
2015-06-04

Analysis of exhaust gas

#44
20150071024
2015-03-12

Liquid analyzer device and related method

#45
20150064797
2015-03-05

Method for quantitatively analyzing cysteine and cystine and reagent kit for quantitatively analyzing cysteine and cystine

#46
20150024501
2015-01-22

Integrated chemical indicator device

#47
20140196639
2014-07-17

System and method for controlling one or more process parameters associated with a combustion process

#48
20140004003
2014-01-02

Measurement device for total organic carbon

#49
20130121876
2013-05-16

Liquid analyzer device and related method

#50
20130025074
2013-01-31

METHOD FOR OPERATING A WATER-CONTAINING APPLIANCE AND WATER-CONTAINING APPLIANCE

#51
20110244578
2011-10-06

Method for the calibration of a device for measuring total organic carbon content

#52
20110165686
2011-07-07

Method for producing standard sample for use in quantitative determination of red phosphorus in resin

#53
20090280030
2009-11-12

Apparatus for automated accelerated extraction of trace elements from biomass

#54
20090155916
2009-06-18

Liquid analyser and method

#55
20090074619
2009-03-19

DEVICE FOR MEASURING TOTAL ORGANIC CARBON

#56
20090023217
2009-01-22

Integrated chemical indicator device

#57
20080314127
2008-12-25

Sulfur in fuel tester

#58
20080220533
2008-09-11

Measuring Method for Total Organic Carbon, Measuring Method for Total Nitrogen and Measuring Apparatus for the Methods

#59
20080213913
2008-09-04

Combustion analysis apparatus and method

#60
20070253871
2007-11-01

Solid-state light source photolytic nitrogen dioxide converter

#61
20070172391
2007-07-26

Reagent tube for top loading analyzer

#62
20070117210
2007-05-24

Measurement of nitrogen content in a gas mixture by transforming the nitrogen into a substance detectable with nondispersive infrared detection

#63
20070043239
2007-02-22

Oxidation reactor, process for producing (meth)acrylic acids, and method for analyzing easily-polymerizable compounds

#64
20070026526
2007-02-01

Method for quantitative analysis of metal element contained in resin material

#65
20060283813
2006-12-21

Automated accelerated extraction of trace elements from biomass

#66
20060245974
2006-11-02

Method and apparatus for generating oxidized mercury having a measurable concentration

#67
20060230469
2006-10-12

Method and means for determining fitness in plants

#68
20060137433
2006-06-29

Apparatus for measuring mecury contained in gaseous medium

#69
20060073605
2006-04-06

Liquid analyser

#70
20060039826
2006-02-23

Concentration monitor of fluid samples

#71
20050266580
2005-12-01

Automated analyser for determining nitrogen derived from organic compounds

#72
20050169806
2005-08-04

Air impurity measurement apparatus and method

#73
20050143602
2005-06-30

Oxidation reactor, process for producing (meth)acrylic acids, and method for analyzing easily-polymerizable compounds

#74
20050125911
2005-06-16

Method for operating a water-containing appliance and water-containing appliance

#75
20050098449
2005-05-12

Sensor element and method for determining ammonia

#76
20050074365
2005-04-07

Apparatus for trace sulfur detection using UV fluorescence

#77
20050069482
2005-03-31

Method and apparatus for measure of sulfate

#78
20050059157
2005-03-17

Systems and methods for measuring nitrate levels