Class information for:
Level 1: BOTANICAL STANDARD SAMPLES//3 6 DITHIAOCTANE//DIRECT NEBULIZATION OF ORGANIC EXTRACTS

Basic class information

Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes

The table includes all classes above and classes immediately below the current class.



Cluster id Level Cluster label #P
18 4 CHEMISTRY, ANALYTICAL//TOXICOLOGY//ENVIRONMENTAL SCIENCES 697102
420 3       JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY//SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY//CHEMISTRY, ANALYTICAL 30211
133 2             JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY//SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY//SPECTROSCOPY 23353
38179 1                   BOTANICAL STANDARD SAMPLES//3 6 DITHIAOCTANE//DIRECT NEBULIZATION OF ORGANIC EXTRACTS 68

Terms with highest relevance score



rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 BOTANICAL STANDARD SAMPLES authKW 926975 3% 100% 2
2 3 6 DITHIAOCTANE authKW 463487 1% 100% 1
3 DIRECT NEBULIZATION OF ORGANIC EXTRACTS authKW 463487 1% 100% 1
4 EXTRACTION OF CADMIUM AMMONIUM PYRROLIDIN L YLDITHIOFORMATE COMPLEX authKW 463487 1% 100% 1
5 FLAME ATOMIC ABSORPTION SPECTROMETRY WITH DISCRETE NEBULIZATION authKW 463487 1% 100% 1
6 FOOD COLOR ALUMINUM LAKES authKW 463487 1% 100% 1
7 FUEL LEAN AIR ACETYLENE FLAME authKW 463487 1% 100% 1
8 HIGHLY PURE COPPER AND LEAD authKW 463487 1% 100% 1
9 ICP INDUCTIVELY COUPLED PLASMA ATOMIC EMISSION SPECTROMETRY authKW 463487 1% 100% 1
10 LEAD LEACHED FROM LEAD GLAZED CERAMICWARE authKW 463487 1% 100% 1

Web of Science journal categories



chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Chemistry, Analytical 2409 79% 0% 54
2 Spectroscopy 42 7% 0% 5
3 Food Science & Technology 5 4% 0% 3
4 Multidisciplinary Sciences 3 1% 0% 1
5 Instruments & Instrumentation 3 3% 0% 2
6 Chemistry, Multidisciplinary 3 7% 0% 5
7 Chemistry, Medicinal 0 1% 0% 1
8 Biochemical Research Methods 0 1% 0% 1
9 Physics, Atomic, Molecular & Chemical 0 1% 0% 1
10 Pharmacology & Pharmacy -0 3% 0% 2

Address terms



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 WAKAN YAKU 3088 1% 1% 1
2 SHOWA KU 167 3% 0% 2
3 ANALYT CHEM 116 4% 0% 3
4 PL CHEM 64 4% 0% 3
5 PHARMACEUT SCI 2 1% 0% 1
6 PHARM 0 1% 0% 1

Journals



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 JOURNAL OF THE ASSOCIATION OF OFFICIAL ANALYTICAL CHEMISTS 11522 12% 0% 8
2 BUNSEKI KAGAKU 7895 15% 0% 10
3 ANALYTICAL SCIENCES 4017 12% 0% 8
4 JOURNAL OF ANALYTICAL CHEMISTRY OF THE USSR 2277 4% 0% 3
5 JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY 1888 7% 0% 5
6 JOURNAL OF THE FOOD HYGIENIC SOCIETY OF JAPAN 1289 3% 0% 2
7 ANALYTICAL LETTERS PART B-CLINICAL AND BIOCHEMICAL ANALYSIS 1118 1% 0% 1
8 ANALYST 1117 9% 0% 6
9 ANALYTICAL LETTERS PART A-CHEMICAL ANALYSIS 940 1% 0% 1
10 ANALYTICA CHIMICA ACTA 676 9% 0% 6

Author Key Words



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 BOTANICAL STANDARD SAMPLES 926975 3% 100% 2 Search BOTANICAL+STANDARD+SAMPLES Search BOTANICAL+STANDARD+SAMPLES
2 3 6 DITHIAOCTANE 463487 1% 100% 1 Search 3+6+DITHIAOCTANE Search 3+6+DITHIAOCTANE
3 DIRECT NEBULIZATION OF ORGANIC EXTRACTS 463487 1% 100% 1 Search DIRECT+NEBULIZATION+OF+ORGANIC+EXTRACTS Search DIRECT+NEBULIZATION+OF+ORGANIC+EXTRACTS
4 EXTRACTION OF CADMIUM AMMONIUM PYRROLIDIN L YLDITHIOFORMATE COMPLEX 463487 1% 100% 1 Search EXTRACTION+OF+CADMIUM+AMMONIUM+PYRROLIDIN+L+YLDITHIOFORMATE+COMPLEX Search EXTRACTION+OF+CADMIUM+AMMONIUM+PYRROLIDIN+L+YLDITHIOFORMATE+COMPLEX
5 FLAME ATOMIC ABSORPTION SPECTROMETRY WITH DISCRETE NEBULIZATION 463487 1% 100% 1 Search FLAME+ATOMIC+ABSORPTION+SPECTROMETRY+WITH+DISCRETE+NEBULIZATION Search FLAME+ATOMIC+ABSORPTION+SPECTROMETRY+WITH+DISCRETE+NEBULIZATION
6 FOOD COLOR ALUMINUM LAKES 463487 1% 100% 1 Search FOOD+COLOR+ALUMINUM+LAKES Search FOOD+COLOR+ALUMINUM+LAKES
7 FUEL LEAN AIR ACETYLENE FLAME 463487 1% 100% 1 Search FUEL+LEAN+AIR+ACETYLENE+FLAME Search FUEL+LEAN+AIR+ACETYLENE+FLAME
8 HIGHLY PURE COPPER AND LEAD 463487 1% 100% 1 Search HIGHLY+PURE+COPPER+AND+LEAD Search HIGHLY+PURE+COPPER+AND+LEAD
9 ICP INDUCTIVELY COUPLED PLASMA ATOMIC EMISSION SPECTROMETRY 463487 1% 100% 1 Search ICP+INDUCTIVELY+COUPLED+PLASMA+ATOMIC+EMISSION+SPECTROMETRY Search ICP+INDUCTIVELY+COUPLED+PLASMA+ATOMIC+EMISSION+SPECTROMETRY
10 LEAD LEACHED FROM LEAD GLAZED CERAMICWARE 463487 1% 100% 1 Search LEAD+LEACHED+FROM+LEAD+GLAZED+CERAMICWARE Search LEAD+LEACHED+FROM+LEAD+GLAZED+CERAMICWARE

Core articles

The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c:
(1) Number of references referring to publications in the class.
(2) Share of total number of active references referring to publications in the class.
(3) Age of the article. New articles get higher score than old articles.
(4) Citation rate, normalized to year.

Classes with closest relation at Level 1



rank cluster_id2 link
1 29573 PINUS NIGRA L//PRECONCENTRATION ON ACTIVATED CARBON//BIOMONITOR PLANTS
2 35123 REFINED THOMAS FERMI DIRAC THEORY//VTF LAW//2D ULTRACOLD SYSTEMS
3 30469 DETERMINATION OF TRACE SILICON//MOLYBDOSILICIC ACID BLUE SPECTROPHOTOMETRY//SILICON TETRAFLUORIDE SEPARATION
4 12584 MICROWAVE DIGESTION//MICROWAVE ASSISTED DIGESTION//DILUTED NITRIC ACID
5 2267 SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY//JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY//INDUCTIVELY COUPLED PLASMA ATOMIC EMISSION SPECTROMETRY
6 33887 TOTAL BROMINE//BROMIDE//3 HEXANONE
7 20667 STAND REFERENCE MAT PROGRAM//2 5 DIMERCAPTO 1 3 4 THIADIAZOLE DMTD SURFACE ENHANCED RAMAN SCATTERING SERS//ADSORPTION AND BINDING
8 36876 ALIZARINE RED SULFONATE//ALLUMINIUM ALLOY//BA DETERMINATION
9 34781 AYDIN BASIN//AZIMA SARMENTOSA//BUCHANANIA SIAMENSIS
10 21851 AZOMETHINE H//BORON DETERMINATION//CLIVIA MINIATA REGEL

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