Class information for:
Level 1: MEMBRANE INTRODUCTION MASS SPECTROMETRY//MEMBRANE EXTRACTION//SUPPORTED LIQUID MEMBRANE EXTRACTION

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
14586 761 29.1 65%


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
123 3       CHEMISTRY, ANALYTICAL//BIOSENSOR//PESTICIDES 67990
1661 2             SOLID PHASE MICROEXTRACTION//DISPERSIVE LIQUID LIQUID MICROEXTRACTION//LIQUID PHASE MICROEXTRACTION 6862
14586 1                   MEMBRANE INTRODUCTION MASS SPECTROMETRY//MEMBRANE EXTRACTION//SUPPORTED LIQUID MEMBRANE EXTRACTION 761

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 MEMBRANE INTRODUCTION MASS SPECTROMETRY authKW 680555 3% 81% 21
2 MEMBRANE EXTRACTION authKW 379810 5% 24% 40
3 SUPPORTED LIQUID MEMBRANE EXTRACTION authKW 366834 2% 57% 16
4 PL ENVIRONM S address 323660 1% 73% 11
5 MEMBRANE INLET MASS SPECTROMETRY authKW 299882 3% 36% 21
6 MEMBRANE INTRODUCTION authKW 245757 1% 88% 7
7 PHYS BIOCHEM GRP address 186718 1% 42% 11
8 MICROTRAP authKW 183417 1% 57% 8
9 MEMBRANE INTRODUCTION MASS SPECTROMETRY MIMS authKW 167181 1% 83% 5
10 MEMBRANE ASSISTED SOLVENT EXTRACTION authKW 162492 1% 45% 9

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 16625 63% 0% 476
2 Biochemical Research Methods 2346 19% 0% 145
3 Spectroscopy 1731 14% 0% 103
4 Instruments & Instrumentation 439 8% 0% 63
5 Environmental Sciences 99 7% 0% 56
6 Engineering, Environmental 88 3% 0% 25
7 Engineering, Chemical 50 5% 0% 37
8 Biotechnology & Applied Microbiology 27 4% 0% 31
9 Engineering, General 22 2% 0% 14
10 Physics, Atomic, Molecular & Chemical 9 3% 0% 21

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 PL ENVIRONM S 323660 1% 73% 11
2 PHYS BIOCHEM GRP 186718 1% 42% 11
3 ANAL GEOCHEM GRP 40124 0% 100% 1
4 ANALYT ENVIRONM TRACE ANAL UNIT 40124 0% 100% 1
5 ANALYT SCI RUMENTAL METHODS GRP 40124 0% 100% 1
6 BIOCHEM PHYS BIOCHEM GRP 40124 0% 100% 1
7 BIOSI MICROBIOL 1 40124 0% 100% 1
8 CHAIR ANALYT ECOL CHEM 40124 0% 100% 1
9 CHROMATOG RA RUMENTAT ANALYT 40124 0% 100% 1
10 DEPR CHEM ENVIRONM SCI 40124 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 FIELD ANALYTICAL CHEMISTRY AND TECHNOLOGY 19922 1% 6% 9
2 CONTROL AND INSTRUMENTATION 10777 1% 5% 5
3 ANALYTICAL CHEMISTRY 8227 11% 0% 86
4 RAPID COMMUNICATIONS IN MASS SPECTROMETRY 6450 5% 0% 38
5 JOURNAL OF SEPARATION SCIENCE 4831 4% 0% 27
6 ANALYTICA CHIMICA ACTA 4787 7% 0% 54
7 PROCESS CONTROL AND QUALITY 4389 1% 3% 4
8 JOURNAL OF CHROMATOGRAPHY A 3380 6% 0% 48
9 JOURNAL OF MICROCOLUMN SEPARATIONS 2961 1% 1% 7
10 ANALYST 2772 4% 0% 32

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 MEMBRANE INTRODUCTION MASS SPECTROMETRY 680555 3% 81% 21 Search MEMBRANE+INTRODUCTION+MASS+SPECTROMETRY Search MEMBRANE+INTRODUCTION+MASS+SPECTROMETRY
2 MEMBRANE EXTRACTION 379810 5% 24% 40 Search MEMBRANE+EXTRACTION Search MEMBRANE+EXTRACTION
3 SUPPORTED LIQUID MEMBRANE EXTRACTION 366834 2% 57% 16 Search SUPPORTED+LIQUID+MEMBRANE+EXTRACTION Search SUPPORTED+LIQUID+MEMBRANE+EXTRACTION
4 MEMBRANE INLET MASS SPECTROMETRY 299882 3% 36% 21 Search MEMBRANE+INLET+MASS+SPECTROMETRY Search MEMBRANE+INLET+MASS+SPECTROMETRY
5 MEMBRANE INTRODUCTION 245757 1% 88% 7 Search MEMBRANE+INTRODUCTION Search MEMBRANE+INTRODUCTION
6 MICROTRAP 183417 1% 57% 8 Search MICROTRAP Search MICROTRAP
7 MEMBRANE INTRODUCTION MASS SPECTROMETRY MIMS 167181 1% 83% 5 Search MEMBRANE+INTRODUCTION+MASS+SPECTROMETRY+MIMS Search MEMBRANE+INTRODUCTION+MASS+SPECTROMETRY+MIMS
8 MEMBRANE ASSISTED SOLVENT EXTRACTION 162492 1% 45% 9 Search MEMBRANE+ASSISTED+SOLVENT+EXTRACTION Search MEMBRANE+ASSISTED+SOLVENT+EXTRACTION
9 SUPPORTED LIQUID MEMBRANE 156234 6% 8% 47 Search SUPPORTED+LIQUID+MEMBRANE Search SUPPORTED+LIQUID+MEMBRANE
10 MEMBRANE INLET 151046 1% 47% 8 Search MEMBRANE+INLET Search MEMBRANE+INLET

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 JOHNSON, RC , COOKS, RG , ALLEN, TM , CISPER, ME , HEMBERGER, PH , (2000) MEMBRANE INTRODUCTION MASS SPECTROMETRY: TRENDS AND APPLICATIONS.MASS SPECTROMETRY REVIEWS. VOL. 19. ISSUE 1. P. 1 -37 92 80% 141
2 KETOLA, RA , KOTIAHO, T , CISPER, ME , ALLEN, TM , (2002) ENVIRONMENTAL APPLICATIONS OF MEMBRANE INTRODUCTION MASS SPECTROMETRY.JOURNAL OF MASS SPECTROMETRY. VOL. 37. ISSUE 5. P. 457 -476 93 72% 101
3 JONSSON, JA , MATHIASSON, L , (2001) MEMBRANE EXTRACTION IN ANALYTICAL CHEMISTRY.JOURNAL OF SEPARATION SCIENCE. VOL. 24. ISSUE 7. P. 495 -507 71 56% 144
4 KROGH, ET , GILL, CG , (2014) MEMBRANE INTRODUCTION MASS SPECTROMETRY (MIMS): A VERSATILE TOOL FOR DIRECT, REAL-TIME CHEMICAL MEASUREMENTS.JOURNAL OF MASS SPECTROMETRY. VOL. 49. ISSUE 12. P. 1205 -1213 33 94% 4
5 JONSSON, JA , MATHIASSON, L , (2000) MEMBRANE-BASED TECHNIQUES FOR SAMPLE ENRICHMENT.JOURNAL OF CHROMATOGRAPHY A. VOL. 902. ISSUE 1. P. 205 -225 54 66% 182
6 ETZKORN, JM , DAVEY, NG , THOMPSON, AJ , CREBA, AS , LEBLANC, CW , SIMPSON, CD , KROGH, ET , GILL, CG , (2009) THE USE OF MIMS-MS-MS IN FIELD LOCATIONS AS AN ON-LINE QUANTITATIVE ENVIRONMENTAL MONITORING TECHNIQUE FOR TRACE CONTAMINANTS IN AIR AND WATER.JOURNAL OF CHROMATOGRAPHIC SCIENCE. VOL. 47. ISSUE 1. P. 57 -66 48 70% 11
7 DAVEY, NG , KROGH, ET , GILL, CG , (2011) MEMBRANE-INTRODUCTION MASS SPECTROMETRY (MIMS).TRAC-TRENDS IN ANALYTICAL CHEMISTRY. VOL. 30. ISSUE 9. P. 1477 -1485 40 71% 17
8 LLAMAS, AM , OJEDA, CB , ROJAS, FS , (2007) PROCESS ANALYTICAL CHEMISTRY - APPLICATION OF MASS SPECTROMETRY IN ENVIRONMENTAL ANALYSIS: AN OVERVIEW.APPLIED SPECTROSCOPY REVIEWS. VOL. 42. ISSUE 4. P. 345-367 82 40% 6
9 JONSSON, JA , MATHIASSON, L , (2001) MEMBRANE EXTRACTION TECHNIQUES FOR SAMPLE PREPARATION.ADVANCES IN CHROMATOGRAPHY, VOL 41. VOL. 41. ISSUE . P. 53 -91 55 67% 22
10 CORDERO, BM , PAVON, JLP , PINTO, CG , LAESPADA, MEF , MARTINEZ, RC , GONZALO, ER , (2000) ANALYTICAL APPLICATIONS OF MEMBRANE EXTRACTION IN CHROMATOGRAPHY AND ELECTROPHORESIS.JOURNAL OF CHROMATOGRAPHY A. VOL. 902. ISSUE 1. P. 195 -204 54 64% 34

Classes with closest relation at Level 1


Rank Class id link
1 16581 CHROMATOMEMBRANE CELL//VOLATILE ANALYTES//THIN LAYER HEADSPACE TLHS
2 28271 DEFERRED STANDARD//AQUEOUS PARTICULATE DISPERSIONS//CARBOHYDRATE AND NITROGEN METABOLISM
3 25966 ELECTROMEMBRANE EXTRACTION//ELECTROMEMBRANE EXTRACTION EME//ELECTROMEMBRANE
4 7112 QUADRUPOLE ION TRAP//QUADRUPOLE MASS FILTER//RECTILINEAR ION TRAP
5 2244 DISPERSIVE LIQUID LIQUID MICROEXTRACTION//LIQUID PHASE MICROEXTRACTION//SINGLE DROP MICROEXTRACTION
6 12997 FAST GC//MICRO GAS CHROMATOGRAPHY//FAST GAS CHROMATOGRAPHY
7 9464 JOURNAL OF HIGH RESOLUTION CHROMATOGRAPHY & CHROMATOGRAPHY COMMUNICATIONS//HRC-JOURNAL OF HIGH RESOLUTION CHROMATOGRAPHY//LARGE VOLUME INJECTION
8 22119 STIR BAR SORPTIVE EXTRACTION//ROTATING DISK SORPTIVE EXTRACTION//STIR BAR SORPTIVE EXTRACTION SBSE
9 1360 LIQUID MEMBRANE//EMULSION LIQUID MEMBRANE//SUPPORTED LIQUID MEMBRANE
10 10673 BIOPROCESS MONITORING//2D FLUORESCENCE SPECTROSCOPY//SPEKE OPERAT

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