Class information for:
Level 1: POLYDIBENZO 18 CROWN 6//FUNDAMENTAL EQUILIBRIA//ALKALI METAL PICRATES

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
13471 834 19.4 42%


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
5 4 CHEMISTRY, ORGANIC//CHEMISTRY, INORGANIC & NUCLEAR//CHEMISTRY, MULTIDISCIPLINARY 1745167
136 3       CYCLODEXTRIN//INCLUSION COMPLEX//CALIXARENES 65522
1448 2             CROWN ETHER//CONDUCTOMETRY//JOURNAL OF INCLUSION PHENOMENA AND MOLECULAR RECOGNITION IN CHEMISTRY 7824
13471 1                   POLYDIBENZO 18 CROWN 6//FUNDAMENTAL EQUILIBRIA//ALKALI METAL PICRATES 834

Terms with highest relevance score


rank Term termType Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 POLYDIBENZO 18 CROWN 6 authKW 295329 1% 73% 11
2 FUNDAMENTAL EQUILIBRIA authKW 256282 1% 100% 7
3 ALKALI METAL PICRATES authKW 234312 1% 80% 8
4 ION PAIR FORMATION CONSTANTS IN WATER authKW 219670 1% 100% 6
5 ANALYT ENVIRONM address 135586 1% 37% 10
6 CRYPTAND ETHER authKW 117156 0% 80% 4
7 ION PAIR FORMATION CONSTANT IN WATER authKW 109835 0% 100% 3
8 TRANSITION METAL CATION authKW 94138 1% 43% 6
9 ALKALI METAL PICRATE COMPLEXES authKW 73223 0% 100% 2
10 BOTANICAL STANDARD SAMPLES authKW 73223 0% 100% 2

Web of Science journal categories


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 Chemistry, Analytical 6318 38% 0% 313
2 Chemistry, Inorganic & Nuclear 2661 21% 0% 172
3 Chemistry, Multidisciplinary 2208 34% 0% 286
4 Nuclear Science & Technology 674 9% 0% 75
5 Engineering, Chemical 129 7% 0% 55
6 Crystallography 56 3% 0% 24
7 Chemistry, Organic 32 5% 0% 38
8 Multidisciplinary Sciences 14 1% 0% 8
9 Thermodynamics 4 1% 0% 10
10 Chemistry, Physical 4 5% 0% 42

Address terms


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 ANALYT ENVIRONM 135586 1% 37% 10
2 A YU FRUMKIN PHYS CHEM ELE OCHEM 36612 0% 100% 1
3 ANALYT CHEM PETR CHEM 36612 0% 100% 1
4 CNRSUCO2M 36612 0% 100% 1
5 DESALINAT DD 36612 0% 100% 1
6 ENVIRONM ASSESSMENT EAD 36612 0% 100% 1
7 LCOM CHIM POLYME CHEM 36612 0% 100% 1
8 RADIOCHEM PROC NUCL ENERGY 36612 0% 100% 1
9 URANIUM EXTRACT UED 36612 0% 100% 1
10 INORGAN ANALYT CHEM UNIT 20918 0% 29% 2

Journals


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 SOLVENT EXTRACTION AND ION EXCHANGE 25633 4% 2% 35
2 JOURNAL OF ANALYTICAL CHEMISTRY OF THE USSR 7989 2% 1% 20
3 ANALYTICAL SCIENCES 6143 4% 0% 35
4 ZHURNAL NEORGANICHESKOI KHIMII 4698 4% 0% 35
5 JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY-LETTERS 4236 2% 1% 14
6 JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY-ARTICLES 3766 2% 1% 19
7 RADIOCHIMICA ACTA 3606 2% 0% 20
8 BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 3540 5% 0% 42
9 SEPARATION SCIENCE AND TECHNOLOGY 3263 3% 0% 25
10 TALANTA 2954 4% 0% 37

Author Key Words


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class		 LCSH search Wikipedia search
1 POLYDIBENZO 18 CROWN 6 295329 1% 73% 11 Search POLYDIBENZO+18+CROWN+6 Search POLYDIBENZO+18+CROWN+6
2 FUNDAMENTAL EQUILIBRIA 256282 1% 100% 7 Search FUNDAMENTAL+EQUILIBRIA Search FUNDAMENTAL+EQUILIBRIA
3 ALKALI METAL PICRATES 234312 1% 80% 8 Search ALKALI+METAL+PICRATES Search ALKALI+METAL+PICRATES
4 ION PAIR FORMATION CONSTANTS IN WATER 219670 1% 100% 6 Search ION+PAIR+FORMATION+CONSTANTS+IN+WATER Search ION+PAIR+FORMATION+CONSTANTS+IN+WATER
5 CRYPTAND ETHER 117156 0% 80% 4 Search CRYPTAND+ETHER Search CRYPTAND+ETHER
6 ION PAIR FORMATION CONSTANT IN WATER 109835 0% 100% 3 Search ION+PAIR+FORMATION+CONSTANT+IN+WATER Search ION+PAIR+FORMATION+CONSTANT+IN+WATER
7 TRANSITION METAL CATION 94138 1% 43% 6 Search TRANSITION+METAL+CATION Search TRANSITION+METAL+CATION
8 ALKALI METAL PICRATE COMPLEXES 73223 0% 100% 2 Search ALKALI+METAL+PICRATE+COMPLEXES Search ALKALI+METAL+PICRATE+COMPLEXES
9 BOTANICAL STANDARD SAMPLES 73223 0% 100% 2 Search BOTANICAL+STANDARD+SAMPLES Search BOTANICAL+STANDARD+SAMPLES
10 CADMIUM PICRATE 73223 0% 100% 2 Search CADMIUM+PICRATE Search CADMIUM+PICRATE

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.


Rank Reference # ref.
in cl.		 Shr. of ref. in
cl.		 Citations
1 BOND, AH , DIETZ, ML , CHIARIZIA, R , (2000) INCORPORATING SIZE SELECTIVITY INTO SYNERGISTIC SOLVENT EXTRACTION: A REVIEW OF CROWN ETHER-CONTAINING SYSTEMS.INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH. VOL. 39. ISSUE 10. P. 3442-3464 78 58% 76
2 KHOPKAR, SM , GANDHI, MN , (1996) SOLVENT EXTRACTION SEPARATIONS WITH CROWN ETHERS AND CRYPTANDS.JOURNAL OF SCIENTIFIC & INDUSTRIAL RESEARCH. VOL. 55. ISSUE 3. P. 139-155 58 64% 5
3 BOND, AH , CHIARIZIA, R , HUBER, VJ , DIETZ, ML , HERLINGER, AW , HAY, BP , (1999) SYNERGISTIC SOLVENT EXTRACTION OF ALKALINE EARTH CATIONS BY MIXTURES OF DI-N-OCTYLPHOSPHORIC ACID AND STEREOISOMERS OF DICYCLOHEXANO-18-CROWN-6.ANALYTICAL CHEMISTRY. VOL. 71. ISSUE 14. P. 2757 -2765 39 67% 15
4 ATANASSOVA, M , (2007) EFFECT OF THE 18-CROWN-6 AND BENZO-18-CROWN-6 ON THE SOLVENT EXTRACTION AND SEPARATION OF LANTHANIDE(III) IONS WITH 8-HYDROXYQUINOLINE.RUSSIAN JOURNAL OF INORGANIC CHEMISTRY. VOL. 52. ISSUE 8. P. 1304-1311 24 86% 4
5 ATANASSOVA, M , DUKOV, IL , (2005) CROWN ETHERS AS SYNERGISTIC AGENTS IN THE SOLVENT EXTRACTION OF TRIVALENT LANTHANOIDS WITH THENOYLTRIFLUOROACETONE.SEPARATION SCIENCE AND TECHNOLOGY. VOL. 40. ISSUE 5. P. 1103-1113 20 100% 17
6 REHMAN, HU , ALI, A , ANWAR, J , YAWAR, W , (2006) SYNERGISTIC EXTRACTION OF CE(III), EU(III) AND TM(III) WITH A MIXTURE OF PICROLONIC ACID AND BENZO-15-CROWN-5 IN CHLOROFORM.JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY. VOL. 267. ISSUE 2. P. 421 -425 25 78% 4
7 PETROVA, MA , KURTEVA, VB , (2014) SYNERGISTIC EFFICIENCY OF 2-[(1-AZA-15-CROWN-5)-1-YLMETHYL)]-4-(PHENYLDIAZENYL)-NAPHTHALEN-1-OL IN THE LIQUID EXTRACTION OF LIGHT LANTHANOID(III) IONS WITH 4-BENZOYL-3-PHENYL-5-ISOXAZOLONE: THE ROLE OF AZA-CROWN AND AZO-DYE FRAGMENTS ON THE EXTRACTION ABILITY.JOURNAL OF CHEMICAL AND ENGINEERING DATA. VOL. 59. ISSUE 4. P. 1295 -1303 24 67% 0
8 ATANASSOVA, M , (2008) CROWN ETHERS AS SYNERGISTIC AGENTS IN THE SOLVENT EXTRACTION OF TRIVALENT LANTHANIDES WITH 8-HYDROXYQUINOLINE.JOURNAL OF THE SERBIAN CHEMICAL SOCIETY. VOL. 73. ISSUE 1. P. 29-39 23 77% 7
9 HABIB-UR-REHMAN , ALI, A , ANWAR, J , AHMED, S , (2006) SYNERGISTIC EXTRACTION OF ND(III), TB(III) AND LU(III) IONS WITH A MIXTURE OF PICROLONIC ACID AND BENZO-15-CROWN-5 IN CHLOROFORM.RADIOCHIMICA ACTA. VOL. 94. ISSUE 8. P. 475 -480 24 77% 0
10 GEORGIEV, G , ZAKHARIEVA, M , (2003) EXTRACTION OF LANTHANIDES WITH MIXTURES OF CROWN ETHERS AND HEPTANOIC ACID.SOLVENT EXTRACTION AND ION EXCHANGE. VOL. 21. ISSUE 5. P. 735-749 21 91% 8

Classes with closest relation at Level 1


Rank Class id link
1 7921 CONDUCTOMETRY//MIXED NON AQUEOUS SOLVENTS//COMPETITIVE POTENTIOMETRY
2 5035 1 OMEGA DIENES//N N DISUBSTITUTED DIAZA 18 CROWN 6//LARIAT ETHER
3 37565 BETA DIKETO LIQUID CHELATING AGENT//COAL FLY ASH SAMPLES//CR DETERMIANTION
4 22381 LANTHANOIDSIII//CHEM SHINJUKU KU//OUTER SPHERE HYDRATION
5 10051 ACYLPYRAZOLONE//PYRAZOLONE//4 ACYL 5 PYRAZOLONES
6 13613 DICHLOROPICRIC ACID//COMPLEXES OF UNCHARGED MOLECULES//CROWN ETHER ANALOG
7 23368 AROMATIC POSITIONAL ISOMERS//CHEM BIOL ORGAN CHEM HENAN//CALIX4ARENE STATIONARY PHASE
8 31108 NUCLEOPHILIC S S BOND CLEAVAGE//RADIOCHEMICAL EXTRACTION//BIS 2 ETHYLHEXYL SULFOXIDE
9 26711 4 R DIBENZO 18 CROWN 6//SALSOLINE//4 4 5 DIBENZO 18 CROWN 6 DISULFONYL CHLORIDE
10 33748 FULLERENCE C60//PIEZOELECTRIC GLUCOSE SENSOR//FULLERENE C60

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