Class information for:
Level 2: ION CHROMATOGRAPHY//INORGANIC ANIONS//ION EXCLUSION CHROMATOGRAPHY

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
87 3       CHEMISTRY, ANALYTICAL//JOURNAL OF CHROMATOGRAPHY A//JOURNAL OF CHROMATOGRAPHY 81655
2480 2             ION CHROMATOGRAPHY//INORGANIC ANIONS//ION EXCLUSION CHROMATOGRAPHY 4189
3898 1                   ION CHROMATOGRAPHY//INORGANIC ANIONS//INORGANIC CATIONS 1922
13782 1                   FLUORESCENCE DERIVATIZATION REAGENT//1 2 P TOLUENESULFONATE ETHYL 2 PHENYLIMIDAZOLE 4 5 F 9 10 PHENANTHRENE TSPP//LONG CHAIN FREE FATTY ACIDS 843
15715 1                   ION EXCLUSION CHROMATOGRAPHY//VACANCY ION EXCLUSION CHROMATOGRAPHY//ION EXCLUSION CATION EXCHANGE CHROMATOGRAPHY 722
27900 1                   PHOTOLYTIC DERIVATIZATION//3 4 BIPHENYLHYDROXYMETHYLPROPIONIC ACID//ACRIDINIUM TRIFLATE SALTS 238
31564 1                   IN LINE REACTOR//ZERO CURRENT POTENTIAL//FIA DETECTION 165
35743 1                   APPLICABILITY TESTS//COLUMN INTERPARTICLE VOLUME//COLUMN VOID VOLUME 108
36468 1                   STARCH IDENTIFICATION AND DETERMINATION//SWEETENED FRUIT PREPARATIONS//BOTANICAL ORIGIN OF STARCH 98
36752 1                   2 OXA BICYCLO330OCTANE//ASYMMETRIC BETA KETO ESTER REDUCTION//CHIRAL 2 ALLYL 2 CARBOETHOXY CYCLOPENTANOL 93

Terms with highest relevance score



rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ION CHROMATOGRAPHY authKW 515370 8% 22% 316
2 INORGANIC ANIONS authKW 301170 3% 27% 146
3 ION EXCLUSION CHROMATOGRAPHY authKW 235800 1% 58% 54
4 CHEMISTRY, ANALYTICAL WoSSC 132924 75% 1% 3152
5 JOURNAL OF CHROMATOGRAPHY journal 129028 13% 3% 561
6 INORGANIC CATIONS authKW 127071 1% 29% 58
7 ELECTROSTATIC ION CHROMATOGRAPHY authKW 68378 0% 91% 10
8 JOURNAL OF CHROMATOGRAPHY A journal 65993 12% 2% 491
9 MOBILE PHASE COMPOSITION authKW 52286 1% 12% 58
10 SUPPRESSED ION CHROMATOGRAPHY authKW 50768 0% 75% 9

Web of Science journal categories



chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Chemistry, Analytical 132924 75% 1% 3152
2 Biochemical Research Methods 23267 25% 0% 1054
3 Food Science & Technology 633 6% 0% 235
4 Chemistry, Applied 152 3% 0% 109
5 Chemistry, Multidisciplinary 94 6% 0% 268
6 Instruments & Instrumentation 65 2% 0% 90
7 Agriculture, Multidisciplinary 39 1% 0% 44
8 Medical Laboratory Technology 25 1% 0% 28
9 Electrochemistry 21 1% 0% 54
10 Soil Science 17 1% 0% 30

Address terms



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ANALYT RD IPC 674 22565 0% 100% 3
2 CLUSTER BIOTECHNOL CHEM SYST 20889 0% 56% 5
3 GEOG GEOSCI 6 16923 0% 75% 3
4 AMCTD10 15044 0% 100% 2
5 ANALYT TECHNOL COMPETENCE 15044 0% 100% 2
6 LACHAT RUMENTS 15044 0% 100% 2
7 AUSTRALIAN SEPARAT SCI 13989 1% 6% 30
8 SEPARAT 11746 0% 31% 5
9 ADV IND SCI TECHNOL SETO 7522 0% 100% 1
10 AGR SCI TECNOL ALIMENTARI 7522 0% 100% 1

Journals



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 JOURNAL OF CHROMATOGRAPHY 129028 13% 3% 561
2 JOURNAL OF CHROMATOGRAPHY A 65993 12% 2% 491
3 BUNSEKI KAGAKU 25624 3% 2% 142
4 CHROMATOGRAPHIA 22251 4% 2% 161
5 JOURNAL OF LIQUID CHROMATOGRAPHY 20692 2% 3% 99
6 JOURNAL OF CHROMATOGRAPHIC SCIENCE 16353 2% 2% 96
7 ANALYTICAL CHEMISTRY 11399 6% 1% 239
8 ANALYTICA CHIMICA ACTA 10817 5% 1% 190
9 AMERICAN LABORATORY 8206 1% 2% 55
10 ANALYTICAL SCIENCES 7221 2% 1% 85

Author Key Words



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 ION CHROMATOGRAPHY 515370 8% 22% 316 Search ION+CHROMATOGRAPHY Search ION+CHROMATOGRAPHY
2 INORGANIC ANIONS 301170 3% 27% 146 Search INORGANIC+ANIONS Search INORGANIC+ANIONS
3 ION EXCLUSION CHROMATOGRAPHY 235800 1% 58% 54 Search ION+EXCLUSION+CHROMATOGRAPHY Search ION+EXCLUSION+CHROMATOGRAPHY
4 INORGANIC CATIONS 127071 1% 29% 58 Search INORGANIC+CATIONS Search INORGANIC+CATIONS
5 ELECTROSTATIC ION CHROMATOGRAPHY 68378 0% 91% 10 Search ELECTROSTATIC+ION+CHROMATOGRAPHY Search ELECTROSTATIC+ION+CHROMATOGRAPHY
6 MOBILE PHASE COMPOSITION 52286 1% 12% 58 Search MOBILE+PHASE+COMPOSITION Search MOBILE+PHASE+COMPOSITION
7 SUPPRESSED ION CHROMATOGRAPHY 50768 0% 75% 9 Search SUPPRESSED+ION+CHROMATOGRAPHY Search SUPPRESSED+ION+CHROMATOGRAPHY
8 INDIRECT PHOTOMETRIC DETECTION 49355 0% 41% 16 Search INDIRECT+PHOTOMETRIC+DETECTION Search INDIRECT+PHOTOMETRIC+DETECTION
9 UNMODIFIED SILICA GEL 45131 0% 100% 6 Search UNMODIFIED+SILICA+GEL Search UNMODIFIED+SILICA+GEL
10 VACANCY ION EXCLUSION CHROMATOGRAPHY 45131 0% 100% 6 Search VACANCY+ION+EXCLUSION+CHROMATOGRAPHY Search VACANCY+ION+EXCLUSION+CHROMATOGRAPHY

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 2



rank cluster_id2 link
1 3955 PRIMARY AROMATIC AMINES//ALIPHATIC AMINES//SHORT CHAIN ALIPHATIC AMINES
2 1679 NITRITE//NITRITE DETERMINATION//ANALYTICA CHIMICA ACTA
3 3931 LOCH LOMOND//VOM WASSER//INTEGRATED SAFEGUARDS
4 1251 LIPOPHILICITY//MICELLAR LIQUID CHROMATOGRAPHY//CHEMISTRY, ANALYTICAL
5 1219 SUPERCRITICAL FLUID CHROMATOGRAPHY//CHEMISTRY, ANALYTICAL//JOURNAL OF CHROMATOGRAPHY A
6 3079 SULFITE//ENVIRONM MED TOXICOL//SODIUM METABISULFITE
7 3595 GUANIDINO COMPOUNDS//METHYLGUANIDINE//CREATININE
8 2249 PHENYLKETONURIA//PKU//HYPERPHENYLALANINEMIA
9 207 CAPILLARY ELECTROPHORESIS//ELECTROPHORESIS//CHEMISTRY, ANALYTICAL
10 2524 PLAGIARISM//ACADEMIC DISHONESTY//IODINE 129

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