Class information for:
Level 1: WATER ANALYSIS//ONLINE TRACE ENRICHMENT//SOLID PHASE EXTRACTION DISK

Basic class information
ID Publications Average number
of references		 Avg. shr. active
ref. in WoS
2063 2302 26.7 59%


Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 2)


ID, lev.
above		 Publications Label for level above
942 10368 PESTICIDE RESIDUES//PESTICIDES//QUECHERS

Terms with highest relevance score


Rank Term Type of term Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 WATER ANALYSIS Author keyword 23 11% 9% 204
2 ONLINE TRACE ENRICHMENT Author keyword 11 100% 0% 6
3 SOLID PHASE EXTRACTION DISK Author keyword 8 70% 0% 7
4 CHLOROPHENOXY ACIDS Author keyword 8 60% 0% 9
5 POLAR POLLUTANTS Author keyword 8 62% 0% 8
6 ACIDIC HERBICIDES Author keyword 7 56% 0% 9
7 TRIAZINES Author keyword 6 11% 2% 51
8 PHENOXY ACIDS Author keyword 6 38% 1% 12
9 EMPORE DISKS Author keyword 6 100% 0% 4
10 LARGE VOLUME EXTRACTION Author keyword 6 100% 0% 4

Web of Science journal categories

Author Key Words


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class		 LCSH search Wikipedia search
1 WATER ANALYSIS 23 11% 9% 204 Search WATER+ANALYSIS Search WATER+ANALYSIS
2 ONLINE TRACE ENRICHMENT 11 100% 0% 6 Search ONLINE+TRACE+ENRICHMENT Search ONLINE+TRACE+ENRICHMENT
3 SOLID PHASE EXTRACTION DISK 8 70% 0% 7 Search SOLID+PHASE+EXTRACTION+DISK Search SOLID+PHASE+EXTRACTION+DISK
4 CHLOROPHENOXY ACIDS 8 60% 0% 9 Search CHLOROPHENOXY+ACIDS Search CHLOROPHENOXY+ACIDS
5 POLAR POLLUTANTS 8 62% 0% 8 Search POLAR+POLLUTANTS Search POLAR+POLLUTANTS
6 ACIDIC HERBICIDES 7 56% 0% 9 Search ACIDIC+HERBICIDES Search ACIDIC+HERBICIDES
7 TRIAZINES 6 11% 2% 51 Search TRIAZINES Search TRIAZINES
8 PHENOXY ACIDS 6 38% 1% 12 Search PHENOXY+ACIDS Search PHENOXY+ACIDS
9 EMPORE DISKS 6 100% 0% 4 Search EMPORE+DISKS Search EMPORE+DISKS
10 LARGE VOLUME EXTRACTION 6 100% 0% 4 Search LARGE+VOLUME+EXTRACTION Search LARGE+VOLUME+EXTRACTION

Key Words Plus


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 POLAR PESTICIDES 89 58% 4% 103
2 ONLINE TRACE ENRICHMENT 87 72% 3% 68
3 TRACE ENRICHMENT 31 34% 3% 76
4 ENVIRONMENTAL WATERS 30 26% 4% 103
5 PRIORITY POLLUTANT PHENOLS 28 64% 1% 28
6 GRAPHITIZED CARBON BLACK 22 38% 2% 45
7 ACIDIC HERBICIDES 18 55% 1% 22
8 PRECOLUMN TECHNOLOGY 17 100% 0% 8
9 CARTRIDGES 13 25% 2% 46
10 MODIFIED POLYMERIC RESIN 13 58% 1% 15

Journals

Reviews


Title Publ. year Cit. Active references % act. ref.
to same field
Solid-phase extraction: method development, sorbents, and coupling with liquid chromatography 1999 537 261 38%
Solid-phase extraction of phenols 2000 217 74 80%
ENVIRONMENTAL-PROTECTION-AGENCY AND OTHER METHODS FOR THE DETERMINATION OF PRIORITY PESTICIDES AND THEIR TRANSFORMATION PRODUCTS IN WATER 1993 245 70 77%
Derivatisation in gas chromatographic determination of acidic herbicides in aqueous environmental samples 2003 39 38 68%
Solid-phase extraction of acidic herbicides 2000 91 45 82%
Trace-level determination of pesticides in water by means of liquid and gas chromatography 2002 69 150 53%
Multiresidue methods using solid-phase extraction techniques for monitoring priority pesticides, including triazines and degradation products, in ground and surface waters 2000 139 142 53%
Fifty years of solid-phase extraction in water analysis - historical development and overview 2000 114 70 60%
Sample preparation and chromatographic analysis of acidic herbicides in soils and sediments 2003 30 24 58%
Chemically modified polymeric sorbents for sample preconcentration 2000 71 30 80%

Address terms


Rank Address term Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ.
in class
1 SERV MINIER 5 60% 0.3% 6
2 CID ENVIRONM CHEM 3 35% 0.3% 7
3 AGR FOOD ENVIRONM CHEM 3 60% 0.1% 3
4 ENVIRONM CHEM ECOTOXICOL PESTICIDES RADIOA 2 67% 0.1% 2
5 ANAL CARACTERISAT MINERALE 1 100% 0.1% 2
6 ANALYT OURCES GRP 1 100% 0.1% 2
7 ISPESI 1 100% 0.1% 2
8 WESSLING INT EDUC 1 100% 0.1% 2
9 ANAL TRACES 1 40% 0.1% 2
10 DIRECAO GERAL AMBIENTE 1 40% 0.1% 2

Related classes at same level (level 1)


Rank Relatedness score Related classes
1 0.0000190740 CARBARYL//PHOTO INDUCED FLUORESCENCE PIF//N METHYLCARBAMATES
2 0.0000108571 NITROPHENOL ISOMERS//4 NITROPHENOL//NITRATED PHENOLS
3 0.0000100944 DIRECT EI//THERMOSPRAY IONIZATION//IST SCI CHIM F BRUNER
4 0.0000093348 QUECHERS//PESTICIDE RESIDUES//MATRIX SOLID PHASE DISPERSION
5 0.0000085824 FENOXAPROP P ETHYL//BIOL ENVIRONM 5//GUNNEDAH
6 0.0000082401 ANALYSIS SPEED//CONTOUR ELLIPSE//NATIONAL MEASUREMENT ACCREDITATION SERVICE NAMAS
7 0.0000081980 CHROMATOMEMBRANE CELL//VOLATILE ANALYTES//THIN LAYER HEADSPACE TLHS
8 0.0000077705 JOURNAL OF HIGH RESOLUTION CHROMATOGRAPHY & CHROMATOGRAPHY COMMUNICATIONS//LC GC//PTV INJECTOR
9 0.0000076400 TETRACHLOROHYDROQUINONE//PENTACHLOROPHENOL//HALOGENATED QUINONES
10 0.0000075452 REDUCTION MECHANISMS//PYRIDINE HERBICIDES//QUIM FIS TERMODINAM LICADA