Class information for:
Level 1: SEQUENTIAL EXTRACTION//SINGLE EXTRACTION//BCR SEQUENTIAL EXTRACTION

Basic class information

Class id #P Avg. number of
references
Database coverage
of references
12583 895 30.5 59%



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
4 4 ENVIRONMENTAL SCIENCES//GEOSCIENCES, MULTIDISCIPLINARY//METEOROLOGY & ATMOSPHERIC SCIENCES 1766162
164 3       ARSENIC//HYDROMETALLURGY//HEAVY METALS 60550
172 2             HEAVY METALS//PHYTOREMEDIATION//CADMIUM 22359
12583 1                   SEQUENTIAL EXTRACTION//SINGLE EXTRACTION//BCR SEQUENTIAL EXTRACTION 895

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 SEQUENTIAL EXTRACTION authKW 1008611 23% 14% 205
2 SINGLE EXTRACTION authKW 231270 2% 34% 20
3 BCR SEQUENTIAL EXTRACTION authKW 212319 2% 33% 19
4 MODIFIED BCR SEQUENTIAL EXTRACTION authKW 139302 1% 58% 7
5 VEITSILUOTO MILL address 136461 1% 67% 6
6 SEQUENTIAL EXTRACTION PROCEDURE authKW 128708 2% 19% 20
7 DYNAMIC FRACTIONATION authKW 109170 0% 80% 4
8 ROTATING COILED COLUMNS authKW 106610 1% 63% 5
9 EXTRACTABLE TRACE METALS authKW 102349 0% 100% 3
10 OXIDIZABLE authKW 102349 0% 100% 3

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 Environmental Sciences 9151 49% 0% 435
2 Chemistry, Analytical 5347 34% 0% 300
3 Engineering, Environmental 779 8% 0% 71
4 Water Resources 633 8% 0% 69
5 Soil Science 286 4% 0% 33
6 Toxicology 98 4% 0% 35
7 Geochemistry & Geophysics 75 3% 0% 29
8 Chemistry, Multidisciplinary 55 8% 0% 74
9 Agronomy 27 2% 0% 19
10 Biochemical Research Methods 26 3% 0% 25

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 VEITSILUOTO MILL 136461 1% 67% 6
2 GEOANALYT S 76760 0% 75% 3
3 GRP MECH PROC RECYCLING 68232 0% 100% 2
4 STORA ENSO OYJ 64633 1% 32% 6
5 FI TRACE GRP 55712 1% 23% 7
6 INGN CIVIL HIDRAUL ORDENAC TERR 45487 0% 67% 2
7 TOWN PLANNING BLDG COMMITTEE 45487 0% 67% 2
8 TOWN PLANNING BLDG COMM 43860 0% 43% 3
9 ALBI PARTICULATE SOLIDS ENERGY ENVIRONM 34116 0% 100% 1
10 ANALYT PETR 34116 0% 100% 1

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 CHEMICAL SPECIATION AND BIOAVAILABILITY 37399 3% 5% 23
2 INTERNATIONAL JOURNAL OF ENVIRONMENTAL ANALYTICAL CHEMISTRY 23075 5% 1% 47
3 ANNALI DI CHIMICA 10108 3% 1% 24
4 JOURNAL OF ENVIRONMENTAL MONITORING 8329 3% 1% 25
5 ENVIRONMENTAL TECHNOLOGY LETTERS 3618 1% 1% 9
6 ANALYTICA CHIMICA ACTA 3330 5% 0% 49
7 FRESENIUS JOURNAL OF ANALYTICAL CHEMISTRY 3259 3% 0% 23
8 JOURNAL OF RESIDUALS SCIENCE & TECHNOLOGY 3187 1% 2% 6
9 TALANTA 2900 4% 0% 38
10 POETRY REVIEW 2273 0% 7% 1

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 SEQUENTIAL EXTRACTION 1008611 23% 14% 205 Search SEQUENTIAL+EXTRACTION Search SEQUENTIAL+EXTRACTION
2 SINGLE EXTRACTION 231270 2% 34% 20 Search SINGLE+EXTRACTION Search SINGLE+EXTRACTION
3 BCR SEQUENTIAL EXTRACTION 212319 2% 33% 19 Search BCR+SEQUENTIAL+EXTRACTION Search BCR+SEQUENTIAL+EXTRACTION
4 MODIFIED BCR SEQUENTIAL EXTRACTION 139302 1% 58% 7 Search MODIFIED+BCR+SEQUENTIAL+EXTRACTION Search MODIFIED+BCR+SEQUENTIAL+EXTRACTION
5 SEQUENTIAL EXTRACTION PROCEDURE 128708 2% 19% 20 Search SEQUENTIAL+EXTRACTION+PROCEDURE Search SEQUENTIAL+EXTRACTION+PROCEDURE
6 DYNAMIC FRACTIONATION 109170 0% 80% 4 Search DYNAMIC+FRACTIONATION Search DYNAMIC+FRACTIONATION
7 ROTATING COILED COLUMNS 106610 1% 63% 5 Search ROTATING+COILED+COLUMNS Search ROTATING+COILED+COLUMNS
8 EXTRACTABLE TRACE METALS 102349 0% 100% 3 Search EXTRACTABLE+TRACE+METALS Search EXTRACTABLE+TRACE+METALS
9 OXIDIZABLE 102349 0% 100% 3 Search OXIDIZABLE Search OXIDIZABLE
10 SINGLE SEQUENTIAL EXTRACTION 102349 0% 100% 3 Search SINGLE+SEQUENTIAL+EXTRACTION Search SINGLE+SEQUENTIAL+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.



Rank Reference # ref. in
cl.
Shr. of ref. in
cl.
Citations
1 FILGUEIRAS, AV , LAVILLA, I , BENDICHO, C , (2002) CHEMICAL SEQUENTIAL EXTRACTION FOR METAL PARTITIONING IN ENVIRONMENTAL SOLID SAMPLES.JOURNAL OF ENVIRONMENTAL MONITORING. VOL. 4. ISSUE 6. P. 823-857 142 40% 417
2 RAO, CRM , SAHUQUILLO, A , SANCHEZ, JFL , (2008) A REVIEW OF THE DIFFERENT METHODS APPLIED IN ENVIRONMENTAL GEOCHEMISTRY FOR SINGLE AND SEQUENTIAL EXTRACTION OF TRACE ELEMENTS IN SOILS AND RELATED MATERIALS.WATER AIR AND SOIL POLLUTION. VOL. 189. ISSUE 1-4. P. 291 -333 110 45% 190
3 BACON, JR , DAVIDSON, CM , (2008) IS THERE A FUTURE FOR SEQUENTIAL CHEMICAL EXTRACTION?.ANALYST. VOL. 133. ISSUE 1. P. 25 -46 143 27% 227
4 FEDOTOV, PS , SPIVAKOV, BY , (2008) STATIC AND DYNAMIC METHODS OF FRACTIONATION OF FORMS OF THE ELEMENTS IN SOILS, SILTS AND BOTTOM SEDIMENTS.USPEKHI KHIMII. VOL. 77. ISSUE 7. P. 690-703 56 61% 2
5 FEDOTOV, PS , (2012) ROTATING COILED COLUMNS IN THE SPECIATION ANALYSIS OF NATURAL SAMPLES: DYNAMIC FRACTIONATION OF ELEMENT FORMS IN SOILS, SLUDGES, AND BOTTOM SEDIMENTS.JOURNAL OF ANALYTICAL CHEMISTRY. VOL. 67. ISSUE 5. P. 399-413 38 76% 2
6 ROSENDE, M , MIRO, M , (2013) RECENT TRENDS IN AUTOMATIC DYNAMIC LEACHING TESTS FOR ASSESSING BIOACCESSIBLE FORMS OF TRACE ELEMENTS IN SOLID SUBSTRATES.TRAC-TRENDS IN ANALYTICAL CHEMISTRY. VOL. 45. ISSUE . P. 67-78 35 73% 1
7 WATERLOT, C , BIDAR, G , PRUVOT, C , DOUAY, F , (2012) EFFECTS OF GRINDING AND SHAKING ON CD, PB AND ZN DISTRIBUTION IN ANTHROPOGENICALLY IMPACTED SOILS.TALANTA. VOL. 98. ISSUE . P. 185 -196 44 52% 2
8 FEDOTOV, PS , SAVONINA, EY , WENNRICH, R , LADONIN, DV , (2007) STUDIES ON TRACE AND MAJOR ELEMENTS ASSOCIATION IN SOILS USING CONTINUOUS-FLOW LEACHING IN ROTATING COILED COLUMNS.GEODERMA. VOL. 142. ISSUE 1-2. P. 58-68 31 78% 8
9 TATSY, YG , FEDOTOV, PS , ERMOLIN, MS , IVANEEV, AI , FEDYUNINA, NN , KARANDASHEV, VK , (2016) CONTINUOUS-FLOW LEACHING IN A ROTATING COILED COLUMN FOR STUDIES ON THE MOBILITY OF TOXIC ELEMENTS IN DUST SAMPLES COLLECTED NEAR A METALLURGIC PLANT.CHEMOSPHERE. VOL. 146. ISSUE . P. 371 -378 21 81% 2
10 ROSENDE, M , MIRO, M , CERDA, V , (2010) FLUIDIZED-BED COLUMN METHOD FOR AUTOMATIC DYNAMIC EXTRACTION AND DETERMINATION OF TRACE ELEMENT BIOACCESSIBILITY IN HIGHLY HETEROGENEOUS SOLID WASTES.ANALYTICA CHIMICA ACTA. VOL. 658. ISSUE 1. P. 41-48 29 76% 3

Classes with closest relation at Level 1



Rank Class id link
1 568 ENRICHMENT FACTOR//GEOACCUMULATION INDEX//SEDIMENT
2 1291 SOIL SCIENCE//HEAVY METALS//SEWAGE SLUDGE
3 16916 BIOLEACHING//THIOBACILLI//SEWAGE SLUDGE
4 14785 ACID VOLATILE SULFIDE//SIMULTANEOUSLY EXTRACTED METALS//ENVIRONM CONTAMINANTS
5 15006 DONNAN MEMBRANE TECHNIQUE//SOIL THRESHOLDS//TERRESTRIAL BIOTIC LIGAND MODEL
6 2041 URBAN SOILS//STREET DUST//HEAVY METALS
7 10387 MICROWAVE DIGESTION//CONTINUOUS ULTRASOUND ASSISTED EXTRACTION SYSTEM//MICROWAVE ASSISTED DIGESTION
8 30846 ROSTLINNA VYROBA//HOP YIELD//EFFICIENCY OF IRRIGATION WATER
9 21158 WOOD ASH//BARK ASH//ASH RECYCLING
10 31553 IMW PL MARINE//STANDARDS MEASUREMENTS AND TESTING PROGRAMME//STAND MEASUREMENTS TESTING PROGRAMME

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