Class information for:
Level 1: PRECONCENTRATION//FLAME ATOMIC ABSORPTION SPECTROMETRY//SOLID PHASE EXTRACTION

Basic class information
ID Publications Average number
of references		 Avg. shr. active
ref. in WoS
664 3120 31.7 74%


Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 2)


ID, lev.
above		 Publications Label for level above
187 20835 BIOSORPTION//PRECONCENTRATION//CHELATING RESIN

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 PRECONCENTRATION Author keyword 278 33% 22% 696
2 FLAME ATOMIC ABSORPTION SPECTROMETRY Author keyword 133 34% 10% 317
3 SOLID PHASE EXTRACTION Author keyword 70 11% 19% 604
4 AMBERLITE XAD 2 Author keyword 48 68% 1% 42
5 AMBERLITE XAD 4 Author keyword 42 64% 1% 42
6 ON LINE PRECONCENTRATION Author keyword 42 39% 3% 86
7 FAAS Author keyword 41 29% 4% 121
8 KNOTTED REACTOR Author keyword 27 71% 1% 22
9 AMBERLITE XAD 16 Author keyword 26 67% 1% 24
10 CHELATING RESIN Author keyword 25 26% 3% 82

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 PRECONCENTRATION 278 33% 22% 696 Search PRECONCENTRATION Search PRECONCENTRATION
2 FLAME ATOMIC ABSORPTION SPECTROMETRY 133 34% 10% 317 Search FLAME+ATOMIC+ABSORPTION+SPECTROMETRY Search FLAME+ATOMIC+ABSORPTION+SPECTROMETRY
3 SOLID PHASE EXTRACTION 70 11% 19% 604 Search SOLID+PHASE+EXTRACTION Search SOLID+PHASE+EXTRACTION
4 AMBERLITE XAD 2 48 68% 1% 42 Search AMBERLITE+XAD+2 Search AMBERLITE+XAD+2
5 AMBERLITE XAD 4 42 64% 1% 42 Search AMBERLITE+XAD+4 Search AMBERLITE+XAD+4
6 ON LINE PRECONCENTRATION 42 39% 3% 86 Search ON+LINE+PRECONCENTRATION Search ON+LINE+PRECONCENTRATION
7 FAAS 41 29% 4% 121 Search FAAS Search FAAS
8 KNOTTED REACTOR 27 71% 1% 22 Search KNOTTED+REACTOR Search KNOTTED+REACTOR
9 AMBERLITE XAD 16 26 67% 1% 24 Search AMBERLITE+XAD+16 Search AMBERLITE+XAD+16
10 CHELATING RESIN 25 26% 3% 82 Search CHELATING+RESIN Search CHELATING+RESIN

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 ONLINE PRECONCENTRATION 227 40% 14% 451
2 ATOMIC ABSORPTION SPECTROMETRY 165 13% 37% 1144
3 AMBERLITE XAD 2 165 78% 3% 108
4 TRACE METAL IONS 96 72% 2% 76
5 PRECONCENTRATION 90 11% 24% 751
6 WATER SAMPLES 77 12% 19% 594
7 AMBERLITE XAD 4 65 62% 2% 68
8 CLOUD POINT EXTRACTION 62 22% 8% 245
9 NATURAL WATER SAMPLES 60 53% 3% 81
10 ENVIRONMENTAL SAMPLES 59 11% 17% 522

Journals

Reviews


Title Publ. year Cit. Active references % act. ref.
to same field
Solid phase extraction of trace elements 2003 580 235 47%
Separation and preconcentration procedures for the determination of lead using spectrometric techniques: A review 2006 138 129 69%
Chemical modification of silica surface by immobilization of functional groups for extractive concentration of metal ions 2004 498 241 26%
New sorbents for solid-phase extraction for metal enrichment 2007 99 151 64%
Application of Solid-Phase Extraction for Trace Elements in Environmental and Biological Samples: A Review 2014 9 48 46%
New materials for solid-phase extraction of trace elements 2008 109 145 38%
Review of procedures involving separation and preconcentration for the determination of cadmium using spectrometric techniques 2007 62 93 57%
Trends in preconcentration procedures for metal determination using atomic spectrometry techniques 2003 126 175 43%
Application of polyurethane foam as a sorbent for trace metal pre-concentration - A review 2007 51 62 52%
Chelating sorbents based on silica gel and their application in atomic spectrometry 2005 62 118 58%

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 GUMUSHANE VOCAT 11 57% 0.4% 13
2 LQA 11 42% 0.6% 20
3 MED MKT PROMOT PROGRAMME 9 83% 0.2% 5
4 VARAMIN PISHVA BRANCH 8 17% 1.3% 42
5 ADIYE VOCAT 6 100% 0.1% 4
6 NQA 4 75% 0.1% 3
7 QUIM EXATAS 4 21% 0.5% 16
8 KIRSEHIR EDUC 4 46% 0.2% 6
9 FEN 4 22% 0.4% 14
10 INORGAN ANALYT CHEM GRP 3 57% 0.1% 4

Related classes at same level (level 1)


Rank Relatedness score Related classes
1 0.0000196162 CLOUD POINT EXTRACTION//TS FF AAS//CLOUD POINT PRECONCENTRATION
2 0.0000179227 ION IMPRINTED POLYMER//ION IMPRINTED POLYMERS//SURFACE IMPRINTING TECHNIQUE
3 0.0000141697 MAJOR TO ULTRATRACE ELEMENTS//APOCARBONIC ANHYDRASE//APO CARBONIC ANHYDRASE
4 0.0000116072 PURIFICATION OF ALKALI METAL SALTS//LICHROPREP RP 18//LICHROPREP RP 8
5 0.0000113125 CHROMIUM SPECIATION//CHROMIUM DETERMINATION//SPECIATION OF CHROMIUM
6 0.0000112048 COLORIMETRIC SOLID PHASE EXTRACTION//DIFFUSE REFLECTION SPECTROMETRY//LOADED SILICA GEL
7 0.0000103366 MAGNETIC SOLID PHASE EXTRACTION//MIXED HEMIMICELLES//GRAPHENE MAGNETIC NANOCOMPOSITE
8 0.0000099974 PLATINUM GROUP ELEMENTS//NICKEL SULFIDE FIRE ASSAY//FIRE ASSAY
9 0.0000093562 IMMOBILIZED POLYSILOXANE LIGAND SYSTEMS//DRM UFMT//POLYSILOXANE IMMOBILIZED LIGAND SYSTEMS
10 0.0000091429 CHELATING FIBER//CHELATING FIBERS//CHELATING ADSORPTION