Class information for:
Level 2: SOLVENT EXTRACTION AND ION EXCHANGE//SOLVENT EXTRACTION//LIQUID MEMBRANE

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
6 4 CHEMISTRY, ORGANIC//CHEMISTRY, INORGANIC & NUCLEAR//CHEMISTRY, MULTIDISCIPLINARY 1698077
408 3       SOLVENT EXTRACTION AND ION EXCHANGE//SOLVENT EXTRACTION//LIQUID MEMBRANE 30980
554 2             SOLVENT EXTRACTION AND ION EXCHANGE//SOLVENT EXTRACTION//LIQUID MEMBRANE 15119
1184 1                   LIQUID MEMBRANE//SUPPORTED LIQUID MEMBRANE//EMULSION LIQUID MEMBRANE 2823
2538 1                   SOLVENT EXTRACTION//HYDROMETALLURGY//CYANEX 272 2247
3152 1                   SOLVENT EXTRACTION AND ION EXCHANGE//TODGA//DIGLYCOLAMIDE 2083
11668 1                   ACYLPYRAZOLONE//PYRAZOLONE//4 ACYL 5 PYRAZOLONES 990
12719 1                   UNIT MET ION SEPARAT//PALLADIUMII EXTRACTION//T2EHTDGA 916
13603 1                   SYNERGISTIC EXTRACTION//LANTHANOIDSIII//SOLVENT EXTRACTION AND ION EXCHANGE 855
15599 1                   EXTRACTION AND STABILITY CONSTANTS//WATER NITROBENZENE SYSTEM//HYDROGEN DICARBOLLYLCOBALTATE 730
16811 1                   THIRD PHASE FORMATION//THIRD PHASE//TRI ISO AMYL PHOSPHATE 659
17652 1                   SPENT FLUORESCENT LAMPS//WEATHERED CRUST ELUTION DEPOSITED RARE EARTH ORE//MIXED RARE EARTH CONCENTRATE 617
18062 1                   INDIUM RECOVERY//ZINC REFINERY RESIDUE//INDIUM 595
20463 1                   SOLVENT IMPREGNATED RESIN//EXTRACTANT IMPREGNATED RESIN//IMPREGNATED RESIN 482
20919 1                   RARE EARTHS DEV SECT//BIDIBOPP//DNPPA 463
24113 1                   ZIRCONIUMIV//HAFNIUM//HAFNIUMIV 346
24281 1                   DIPHOSPHONIC ACIDS//STYRENE DIVINYLBENZENE COPOLYMERS//PHASE TRANSFER CATALYSED 340
25587 1                   PHYS CHEM TECHNOL FOSSIL FUELS//1 NONANOL OCTANE MIXED SOLVENT//DIELE OCHIM 300
27977 1                   PG ANALYT CHEM//CERIC AMMONIUM SULFATE//POTASSIUM DIPERIODATOCUPRATE 236
28004 1                   KAUCN2//DIBUTYL CARBITOL//LABELLED AU 198 236
29566 1                   DICHLORO 8 QUINOLINOLS//INTRAMOLECULAR SYNERGISM//HARDING 201

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 SOLVENT EXTRACTION AND ION EXCHANGE journal 1308493 7% 60% 1054
2 SOLVENT EXTRACTION authKW 787726 7% 35% 1088
3 LIQUID MEMBRANE authKW 430532 3% 54% 383
4 SUPPORTED LIQUID MEMBRANE authKW 396183 2% 57% 332
5 HYDROMETALLURGY journal 357384 6% 20% 842
6 EMULSION LIQUID MEMBRANE authKW 340623 1% 78% 209
7 D2EHPA authKW 320645 1% 78% 197
8 SEPARATION SCIENCE AND TECHNOLOGY journal 215422 6% 12% 859
9 BULK LIQUID MEMBRANE authKW 212849 1% 83% 123
10 SYNERGISTIC EXTRACTION authKW 205309 1% 78% 126

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Engineering, Chemical 59278 27% 1% 4056
2 Chemistry, Inorganic & Nuclear 32253 17% 1% 2565
3 Chemistry, Multidisciplinary 29981 30% 0% 4561
4 Nuclear Science & Technology 19239 11% 1% 1661
5 Chemistry, Analytical 16490 15% 0% 2319
6 Metallurgy & Metallurgical Engineering 10395 10% 0% 1451
7 Mining & Mineral Processing 4825 2% 1% 297
8 Polymer Science 1935 5% 0% 824
9 Engineering, Environmental 1904 3% 0% 518
10 Chemistry, Applied 937 3% 0% 475

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 FUEL REPROC 88683 0% 57% 75
2 RADIOCHEM 76701 2% 10% 357
3 RARE EARTHS DEV SECT 51003 0% 70% 35
4 AQUEOUS SEPARAT RADIOCHEM 50136 0% 71% 34
5 HYDROMET SECT 41745 0% 95% 21
6 FUEL CHEM 41728 1% 15% 132
7 NUCL CHEM CHEM ENGN 33500 0% 62% 26
8 REPROC GRP 30307 0% 35% 42
9 WATER OURCES HYDRAUL POWER 27560 0% 88% 15
10 MOL NANOFABRICAT 27367 0% 36% 37

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 SOLVENT EXTRACTION AND ION EXCHANGE 1308493 7% 60% 1054
2 HYDROMETALLURGY 357384 6% 20% 842
3 SEPARATION SCIENCE AND TECHNOLOGY 215422 6% 12% 859
4 SOLVENT EXTRACTION RESEARCH AND DEVELOPMENT-JAPAN 89846 1% 34% 129
5 JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY 70886 4% 6% 618
6 RADIOCHIMICA ACTA 51969 2% 8% 321
7 JOURNAL OF MEMBRANE SCIENCE 36836 3% 4% 516
8 JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY-ARTICLES 35520 2% 7% 245
9 SEPARATION AND PURIFICATION TECHNOLOGY 30573 2% 5% 311
10 SOVIET RADIOCHEMISTRY 18364 1% 10% 93

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 SOLVENT EXTRACTION 787726 7% 35% 1088 Search SOLVENT+EXTRACTION Search SOLVENT+EXTRACTION
2 LIQUID MEMBRANE 430532 3% 54% 383 Search LIQUID+MEMBRANE Search LIQUID+MEMBRANE
3 SUPPORTED LIQUID MEMBRANE 396183 2% 57% 332 Search SUPPORTED+LIQUID+MEMBRANE Search SUPPORTED+LIQUID+MEMBRANE
4 EMULSION LIQUID MEMBRANE 340623 1% 78% 209 Search EMULSION+LIQUID+MEMBRANE Search EMULSION+LIQUID+MEMBRANE
5 D2EHPA 320645 1% 78% 197 Search D2EHPA Search D2EHPA
6 BULK LIQUID MEMBRANE 212849 1% 83% 123 Search BULK+LIQUID+MEMBRANE Search BULK+LIQUID+MEMBRANE
7 SYNERGISTIC EXTRACTION 205309 1% 78% 126 Search SYNERGISTIC+EXTRACTION Search SYNERGISTIC+EXTRACTION
8 EXTRACTION AND STABILITY CONSTANTS 204096 1% 100% 98 Search EXTRACTION+AND+STABILITY+CONSTANTS Search EXTRACTION+AND+STABILITY+CONSTANTS
9 POLYMER INCLUSION MEMBRANE 193974 1% 78% 119 Search POLYMER+INCLUSION+MEMBRANE Search POLYMER+INCLUSION+MEMBRANE
10 EXTRACTION 193013 6% 10% 894 Search EXTRACTION Search EXTRACTION

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 3903 TERTIARY PHOSPHINE OXIDES//PHYSIOL ACT SUBST//AMINOMETHYL DIMETHYL PHOSPHINE OXIDE
2 4197 ION SIEVE//LITHIUM ION SIEVE//LITHIUM RECOVERY
3 1181 CROWN ETHER//18 CROWN 6//CONDUCTOMETRY
4 1716 GAS SEPARATION//MIXED MATRIX MEMBRANE//JOURNAL OF MEMBRANE SCIENCE
5 466 HYDROMETALLURGY//BIOLEACHING//ACIDITHIOBACILLUS FERROOXIDANS
6 1240 CALIXARENES//CALIX4ARENE//CAVITANDS
7 308 PRECONCENTRATION//FLAME ATOMIC ABSORPTION SPECTROMETRY//CHEMISTRY, ANALYTICAL
8 303 BIOSORPTION//ADSORPTION//ISOTHERM
9 3766 PURIFICATION OF ALKALI METAL SALTS//CHELATING SORBENT//OCTOLIG R
10 4145 PORPHYRIN ASSOCIATES//POLARONIC EXCITON//MODIFICATION BY TRESPASSING METAL IONS

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