Class information for:
Level 1: VANADIUM DETERMINATION//VANADIUM SPECIATION//VANADIUM

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
347 3       CHEMISTRY, ANALYTICAL//PRECONCENTRATION//PVC MEMBRANE 36737
308 2             PRECONCENTRATION//FLAME ATOMIC ABSORPTION SPECTROMETRY//CHEMISTRY, ANALYTICAL 18780
14914 1                   VANADIUM DETERMINATION//VANADIUM SPECIATION//VANADIUM 768

Terms with highest relevance score



rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 VANADIUM DETERMINATION authKW 484406 3% 54% 22
2 VANADIUM SPECIATION authKW 446832 2% 78% 14
3 VANADIUM authKW 383449 24% 5% 186
4 VANADIUMV authKW 349079 4% 26% 33
5 DETERMINATION OF VANADIUM authKW 170982 1% 83% 5
6 VANADIUMV DETERMINATION authKW 131314 1% 80% 4
7 COPPERI NEOCUPROINE authKW 123108 0% 100% 3
8 EXTRACTION EQUILIBRIUMS authKW 123108 0% 100% 3
9 DITETRAZOLIUM SALTS authKW 92330 0% 75% 3
10 222 COMPLEX authKW 82072 0% 100% 2

Web of Science journal categories



chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Chemistry, Analytical 11615 52% 0% 403
2 Chemistry, Multidisciplinary 965 25% 0% 190
3 Environmental Sciences 260 11% 0% 82
4 Spectroscopy 149 4% 0% 34
5 Engineering, Environmental 62 3% 0% 22
6 Electrochemistry 34 2% 0% 19
7 Chemistry, Inorganic & Nuclear 19 3% 0% 22
8 Water Resources 11 2% 0% 13
9 Soil Science 11 1% 0% 8
10 Engineering, Civil 7 2% 0% 12

Address terms



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 BIOGEOCHEM DRAWER E 41036 0% 100% 1
2 BOGATSKII PHYSIOCOCHEM 41036 0% 100% 1
3 COMPREHENS HIST CULTURE 41036 0% 100% 1
4 EIET 41036 0% 100% 1
5 ETSI IND CHEM ENGN 41036 0% 100% 1
6 POB 375 41036 0% 100% 1
7 POST PROGRAM EARTH SCI 41036 0% 100% 1
8 SERV MENDOZA 41036 0% 100% 1
9 WORKING ENVIRONM EVALUAT 41036 0% 100% 1
10 XIAN ARMED FORCE HOSP 41036 0% 100% 1

Journals



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 CHEMIA ANALITYCZNA 9150 3% 1% 24
2 TALANTA 7653 7% 0% 57
3 JOURNAL OF THE INDIAN INSTITUTE OF SCIENCE SECTION B-PHYSICAL & CHEMICAL SCIENCES 7457 0% 9% 2
4 ANALYTICA CHIMICA ACTA 5382 7% 0% 57
5 ANALYTICAL SCIENCES 4634 4% 0% 29
6 JOURNAL OF THE INDIAN CHEMICAL SOCIETY 4393 4% 0% 32
7 BUNSEKI KAGAKU 2763 3% 0% 20
8 ANALES DE QUIMICA SERIE B-QUIMICA INORGANICA Y QUIMICA ANALYTICA 2386 1% 1% 6
9 MICROCHEMICAL JOURNAL 2279 2% 0% 16
10 MIKROCHIMICA ACTA 1998 2% 0% 12

Author Key Words



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 VANADIUM DETERMINATION 484406 3% 54% 22 Search VANADIUM+DETERMINATION Search VANADIUM+DETERMINATION
2 VANADIUM SPECIATION 446832 2% 78% 14 Search VANADIUM+SPECIATION Search VANADIUM+SPECIATION
3 VANADIUM 383449 24% 5% 186 Search VANADIUM Search VANADIUM
4 VANADIUMV 349079 4% 26% 33 Search VANADIUMV Search VANADIUMV
5 DETERMINATION OF VANADIUM 170982 1% 83% 5 Search DETERMINATION+OF+VANADIUM Search DETERMINATION+OF+VANADIUM
6 VANADIUMV DETERMINATION 131314 1% 80% 4 Search VANADIUMV+DETERMINATION Search VANADIUMV+DETERMINATION
7 COPPERI NEOCUPROINE 123108 0% 100% 3 Search COPPERI+NEOCUPROINE Search COPPERI+NEOCUPROINE
8 EXTRACTION EQUILIBRIUMS 123108 0% 100% 3 Search EXTRACTION+EQUILIBRIUMS Search EXTRACTION+EQUILIBRIUMS
9 DITETRAZOLIUM SALTS 92330 0% 75% 3 Search DITETRAZOLIUM+SALTS Search DITETRAZOLIUM+SALTS
10 222 COMPLEX 82072 0% 100% 2 Search 222+COMPLEX Search 222+COMPLEX

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 15776 MOLYBDENUM DETERMINATION//COMPLEX ADSORPTION WAVE//MOLYBDENUMVI
2 29507 3 HYDROXY 1 2 DIHYDRO QUINAZOLIN 4 ONES//NONANALYTE SPIKING//PROMPT GAMMA SPECTROMETRY
3 10867 CATALYTIC SPECTROPHOTOMETRY//KINETIC CATALYTIC METHOD//CATALYTIC KINETIC SPECTROPHOTOMETRY
4 31735 FUSION WITH AMMONIUM HYDROGEN SULFATE//HEXAFLUOROTANTALATEV//TANTALITE COLUMBITE ORE ANALYSIS
5 28322 LANGMUIR AGGREGATION//SPECTRAL CORRECTION TECHNIQUE//BETA CORRECTION PRINCIPLE
6 18650 COATED MULTILAYER X RAY DISPERSION ELEMENT//OXYGEN GAS FUSION//STAHL UND EISEN
7 14423 OSMIUMIV//OSMIUM DETERMINATION//NOBLE METALS ANALYSIS
8 31022 H POINT STANDARD ADDITION METHOD//HPSAM//BLANK BIAS ERROR
9 18995 SOLID PHASE SPECTROPHOTOMETRY//FLOW THROUGH OPTOSENSOR//COLORIMETRIC SOLID PHASE EXTRACTION
10 5653 VANADATE//VANADIUM//VANADYL SULFATE

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