Class information for:
Level 1: IMW PL MARINE//STANDARDS MEASUREMENTS AND TESTING PROGRAMME//STAND MEASUREMENTS TESTING PROGRAMME

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
31553 151 15.8 40%


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
95 3       CHEMISTRY, ANALYTICAL//JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY//SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY 76493
2202 2             ACCREDITATION AND QUALITY ASSURANCE//PROFICIENCY TESTING//MEASUREMENT UNCERTAINTY 4864
31553 1                   IMW PL MARINE//STANDARDS MEASUREMENTS AND TESTING PROGRAMME//STAND MEASUREMENTS TESTING PROGRAMME 151

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 IMW PL MARINE address 404444 1% 100% 2
2 STANDARDS MEASUREMENTS AND TESTING PROGRAMME authKW 404444 1% 100% 2
3 STAND MEASUREMENTS TESTING PROGRAMME address 251025 4% 21% 6
4 AUSTRALIAN CHEM STAND address 202222 1% 100% 1
5 BUSH CANOPY authKW 202222 1% 100% 1
6 CHEMICAL AND BIOLOGICAL MEASUREMENTS authKW 202222 1% 100% 1
7 CHIM BIOORGAN ENVIRONNEMENT address 202222 1% 100% 1
8 COMPETIT SUSTAINABLE GROWTH address 202222 1% 100% 1
9 COMPETIT SUSTAINABLE GROWTH PROGRAMME DG 12100 address 202222 1% 100% 1
10 DG XII address 202222 1% 100% 1

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 3267 62% 0% 94
2 Environmental Sciences 380 25% 0% 38
3 Engineering, Environmental 314 12% 0% 18
4 Engineering, Civil 230 11% 0% 17
5 Engineering, Petroleum 53 2% 0% 3
6 Geology 25 2% 0% 3
7 Soil Science 23 3% 0% 4
8 Marine & Freshwater Biology 18 4% 0% 6
9 Spectroscopy 14 3% 0% 5
10 Agronomy 9 3% 0% 4

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 IMW PL MARINE 404444 1% 100% 2
2 STAND MEASUREMENTS TESTING PROGRAMME 251025 4% 21% 6
3 AUSTRALIAN CHEM STAND 202222 1% 100% 1
4 CHIM BIOORGAN ENVIRONNEMENT 202222 1% 100% 1
5 COMPETIT SUSTAINABLE GROWTH 202222 1% 100% 1
6 COMPETIT SUSTAINABLE GROWTH PROGRAMME DG 12100 202222 1% 100% 1
7 DG XII 202222 1% 100% 1
8 MATHS STAT COMP 202222 1% 100% 1
9 SMT PROGRAMME MO75 3 9 202222 1% 100% 1
10 SMT PROGRAMME MO75 309 202222 1% 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 STAUB REINHALTUNG DER LUFT 61819 11% 2% 16
2 FRESENIUS JOURNAL OF ANALYTICAL CHEMISTRY 31079 19% 1% 29
3 FRESENIUS ZEITSCHRIFT FUR ANALYTISCHE CHEMIE 12067 9% 0% 14
4 TRAC-TRENDS IN ANALYTICAL CHEMISTRY 6400 7% 0% 10
5 MIKROCHIMICA ACTA 3384 5% 0% 7
6 QUIMICA ANALITICA 2540 1% 1% 2
7 ERDOL & KOHLE ERDGAS PETROCHEMIE 2096 2% 0% 3
8 JOURNAL OF ENVIRONMENTAL MONITORING 709 2% 0% 3
9 JOURNAL OF THE ASSOCIATION OF OFFICIAL ANALYTICAL CHEMISTS 702 2% 0% 3
10 ANALYST 670 5% 0% 7

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 STANDARDS MEASUREMENTS AND TESTING PROGRAMME 404444 1% 100% 2 Search STANDARDS+MEASUREMENTS+AND+TESTING+PROGRAMME Search STANDARDS+MEASUREMENTS+AND+TESTING+PROGRAMME
2 BUSH CANOPY 202222 1% 100% 1 Search BUSH+CANOPY Search BUSH+CANOPY
3 CHEMICAL AND BIOLOGICAL MEASUREMENTS 202222 1% 100% 1 Search CHEMICAL+AND+BIOLOGICAL+MEASUREMENTS Search CHEMICAL+AND+BIOLOGICAL+MEASUREMENTS
4 EVISA 202222 1% 100% 1 Search EVISA Search EVISA
5 FRESHWATER SEDIMENT REFERENCE MATERIALS 202222 1% 100% 1 Search FRESHWATER+SEDIMENT+REFERENCE+MATERIALS Search FRESHWATER+SEDIMENT+REFERENCE+MATERIALS
6 LEARNING EXERCISES 202222 1% 100% 1 Search LEARNING+EXERCISES Search LEARNING+EXERCISES
7 MEASUREMENT QUALITY ASSURANCE 202222 1% 100% 1 Search MEASUREMENT+QUALITY+ASSURANCE Search MEASUREMENT+QUALITY+ASSURANCE
8 MEASUREMENTS AND TESTING PROGRAMME 202222 1% 100% 1 Search MEASUREMENTS+AND+TESTING+PROGRAMME Search MEASUREMENTS+AND+TESTING+PROGRAMME
9 RING EXPERIMENTS 202222 1% 100% 1 Search RING+EXPERIMENTS Search RING+EXPERIMENTS
10 SOIL REFERENCE MATERIAL 202222 1% 100% 1 Search SOIL+REFERENCE+MATERIAL Search SOIL+REFERENCE+MATERIAL

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 BENOLIEL, MJ , QUEVAUVILLER, P , (1998) GENERAL CONSIDERATIONS ON THE PREPARATION OF WATER CERTIFIED REFERENCE MATERIALS.ANALYST. VOL. 123. ISSUE 5. P. 977-979 11 85% 21
2 SEGURA, M , MADRID, Y , CAMARA, C , REBOLLO, C , AZCARATE, J , KRAMER, G , QUEVAUVILLER, P , (2000) FEASIBILITY STUDY PRIOR TO THE CERTIFICATION OF TRACE ELEMENTS IN URBAN AND INDUSTRIAL WASTEWATER REFERENCE MATERIALS.JOURNAL OF ENVIRONMENTAL MONITORING. VOL. 2. ISSUE 6. P. 576-581 12 71% 1
3 GRIEPINK, B , MAIER, EA , QUEVAUVILLER, P , MUNTAU, H , (1991) CERTIFIED REFERENCE MATERIALS FOR THE QUALITY-CONTROL OF ANALYSIS IN THE ENVIRONMENT.FRESENIUS JOURNAL OF ANALYTICAL CHEMISTRY. VOL. 339. ISSUE 9. P. 599-603 10 83% 16
4 QUEVAUVILLER, P , BENOLIEL, MJ , ANDERSEN, K , MERRY, J , (1999) NEW CERTIFIED REFERENCE MATERIALS FOR THE QUALITY CONTROL OF GROUNDWATER MONITORING.TRAC-TRENDS IN ANALYTICAL CHEMISTRY. VOL. 18. ISSUE 6. P. 376-383 7 88% 4
5 QUEVAUVILLER, P , (1994) QUALITY ASSURANCE FOR WATER ANALYSIS.TRAC-TRENDS IN ANALYTICAL CHEMISTRY. VOL. 13. ISSUE 9. P. 404-409 9 82% 6
6 MUNTAU, H , (2001) RECENT DEVELOPMENTS IN THE FIELD OF ENVIRONMENTAL REFERENCE MATERIALS AT THE JRC ISPRA.FRESENIUS JOURNAL OF ANALYTICAL CHEMISTRY. VOL. 370. ISSUE 2-3. P. 134 -141 14 40% 7
7 SCHLUMS, C , ABRAHAM, HJ , FRENZEL, W , (1993) INTERLABORATORY TEST FOR EXTERNAL QUALITY-CONTROL .1. SIGNIFICANCE OF THE EXTERNAL QUALITY-CONTROL.STAUB REINHALTUNG DER LUFT. VOL. 53. ISSUE 5. P. 177-182 7 100% 3
8 BERCARU, O , GAWLIK, BM , ULBERTH, F , VANDECASTEELE, C , (2003) REFERENCE MATERIALS FOR THE MONITORING OF THE AQUATIC ENVIRONMENT - A REVIEW WITH SPECIAL EMPHASIS ON ORGANIC PRIORITY POLLUTANTS.JOURNAL OF ENVIRONMENTAL MONITORING. VOL. 5. ISSUE 4. P. 697-705 15 31% 8
9 QUEVAUVILLER, P , KRAMER, GN , GRIEPINK, B , (1994) CERTIFICATION OF THE MASS FRACTIONS OF CA, CU, CL, I, FE, K, MG, P, PB, N, NA AND ZN IN SKIM MILK POWDER.MIKROCHIMICA ACTA. VOL. 113. ISSUE 3-6. P. 381-394 7 88% 1
10 QUEVAUVILLER, P , ANDERSEN, K , MERRY, J , VAN DER JAGT, H , (1998) CERTIFIED REFERENCE MATERIALS FOR THE QUALITY CONTROL OF TRACE ELEMENT DETERMINATIONS IN GROUNDWATER.SCIENCE OF THE TOTAL ENVIRONMENT. VOL. 220. ISSUE 2-3. P. 223-234 5 100% 5

Classes with closest relation at Level 1


Rank Class id link
1 14739 DEFINITIVE METHODS//SPECIMEN BANKING//ANTARCTIC ENVIRONMENTAL SPECIMEN BANK
2 6053 ACCREDITATION AND QUALITY ASSURANCE//PROFICIENCY TESTING//MEASUREMENT UNCERTAINTY
3 10387 MICROWAVE DIGESTION//CONTINUOUS ULTRASOUND ASSISTED EXTRACTION SYSTEM//MICROWAVE ASSISTED DIGESTION
4 21634 GASEOUS STANDARD MIXTURES//STANDARD GAS MIXTURES//IMMOBILIZED COMPOUNDS
5 22528 TRIMETHYLLEAD//TRIETHYLLEAD//DIETHYLLEAD
6 12583 SEQUENTIAL EXTRACTION//SINGLE EXTRACTION//BCR SEQUENTIAL EXTRACTION
7 32335 ALLIGATOR PEAR FRUIT//ANALYSIS GENERAL//BUTTER FRUIT
8 8653 CHLOROBIPHENYL CONGENERS//POLYCHLORINATED TERPHENYLS//AROCLORS
9 4914 MERCURY SPECIATION//COLD VAPOR ATOMIC ABSORPTION SPECTROMETRY//ATOMIC FLUORESCENCE SPECTROMETRY
10 30846 ROSTLINNA VYROBA//HOP YIELD//EFFICIENCY OF IRRIGATION WATER

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