Class information for: |
Basic class information |
| Class id | #P | Avg. number of references |
Database coverage of references |
|---|---|---|---|
| 27041 | 239 | 16.7 | 45% |
Hierarchy of classes |
The table includes all classes above and classes immediately below the current class. |
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 | INTERLABORATORY COMPARISON TEST | authKW | 408840 | 2% | 80% | 4 |
| 2 | INORGAN STAND SECT | address | 399256 | 2% | 63% | 5 |
| 3 | COMBUSTION DUST | authKW | 383289 | 1% | 100% | 3 |
| 4 | COMM PLAST CRMS HAZARDOUS MET | address | 383289 | 1% | 100% | 3 |
| 5 | SMT PROGRAM | authKW | 383289 | 1% | 100% | 3 |
| 6 | BABY TOY | authKW | 287465 | 1% | 75% | 3 |
| 7 | PLASTIC TOYS | authKW | 287465 | 1% | 75% | 3 |
| 8 | COPPER METALLIZATION TECHNOLOGY | authKW | 255526 | 1% | 100% | 2 |
| 9 | HAZARDOUS ELEMENTS PB CD CR HG | authKW | 255526 | 1% | 100% | 2 |
| 10 | JEWELRY | authKW | 209650 | 3% | 21% | 8 |
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 | 3434 | 51% | 0% | 122 |
| 2 | Spectroscopy | 464 | 13% | 0% | 30 |
| 3 | Environmental Sciences | 166 | 14% | 0% | 34 |
| 4 | Food Science & Technology | 86 | 8% | 0% | 19 |
| 5 | Nuclear Science & Technology | 41 | 5% | 0% | 11 |
| 6 | Engineering, Environmental | 39 | 4% | 0% | 9 |
| 7 | Toxicology | 24 | 4% | 0% | 9 |
| 8 | Materials Science, Characterization, Testing | 19 | 1% | 0% | 3 |
| 9 | Chemistry, Inorganic & Nuclear | 18 | 4% | 0% | 10 |
| 10 | Materials Science, Ceramics | 5 | 1% | 0% | 3 |
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 | INORGAN STAND SECT | 399256 | 2% | 63% | 5 |
| 2 | COMM PLAST CRMS HAZARDOUS MET | 383289 | 1% | 100% | 3 |
| 3 | CBQFFP ENAS HLTH SCI | 127763 | 0% | 100% | 1 |
| 4 | CHEIL IND | 127763 | 0% | 100% | 1 |
| 5 | DG MO75 39 | 127763 | 0% | 100% | 1 |
| 6 | ELE ON TUBE CO | 127763 | 0% | 100% | 1 |
| 7 | GRP ESPE OMETRIA ATOM | 127763 | 0% | 100% | 1 |
| 8 | HIGH POWER TEST EVALUAT | 127763 | 0% | 100% | 1 |
| 9 | INTERSTAATLICHE HOCH ULE TECH BUCH | 127763 | 0% | 100% | 1 |
| 10 | MASSACHUSETTS TOXICS USE REDUCT | 127763 | 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 | BUNSEKI KAGAKU | 36973 | 17% | 1% | 41 |
| 2 | FOOD HYGIENE AND SAFETY SCIENCE | 9788 | 2% | 2% | 5 |
| 3 | PROCESS CONTROL AND QUALITY | 7870 | 1% | 2% | 3 |
| 4 | JOURNAL OF THE FOOD HYGIENIC SOCIETY OF JAPAN | 7224 | 4% | 1% | 9 |
| 5 | ATOMIC SPECTROSCOPY | 4588 | 3% | 1% | 6 |
| 6 | NUCLEAR AND CHEMICAL WASTE MANAGEMENT | 3114 | 0% | 2% | 1 |
| 7 | JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY | 3059 | 5% | 0% | 12 |
| 8 | FRESENIUS JOURNAL OF ANALYTICAL CHEMISTRY | 2808 | 5% | 0% | 11 |
| 9 | ANALYTICAL SCIENCES | 1416 | 4% | 0% | 9 |
| 10 | IEEE TRANSACTIONS ON ELECTRICAL INSULATION | 794 | 1% | 0% | 3 |
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 | INTERLABORATORY COMPARISON TEST | 408840 | 2% | 80% | 4 | Search INTERLABORATORY+COMPARISON+TEST | Search INTERLABORATORY+COMPARISON+TEST |
| 2 | COMBUSTION DUST | 383289 | 1% | 100% | 3 | Search COMBUSTION+DUST | Search COMBUSTION+DUST |
| 3 | SMT PROGRAM | 383289 | 1% | 100% | 3 | Search SMT+PROGRAM | Search SMT+PROGRAM |
| 4 | BABY TOY | 287465 | 1% | 75% | 3 | Search BABY+TOY | Search BABY+TOY |
| 5 | PLASTIC TOYS | 287465 | 1% | 75% | 3 | Search PLASTIC+TOYS | Search PLASTIC+TOYS |
| 6 | COPPER METALLIZATION TECHNOLOGY | 255526 | 1% | 100% | 2 | Search COPPER+METALLIZATION+TECHNOLOGY | Search COPPER+METALLIZATION+TECHNOLOGY |
| 7 | HAZARDOUS ELEMENTS PB CD CR HG | 255526 | 1% | 100% | 2 | Search HAZARDOUS+ELEMENTS+PB+CD+CR+HG | Search HAZARDOUS+ELEMENTS+PB+CD+CR+HG |
| 8 | JEWELRY | 209650 | 3% | 21% | 8 | Search JEWELRY | Search JEWELRY |
| 9 | INTERLABORATORY COMPARISON STUDY | 191641 | 1% | 50% | 3 | Search INTERLABORATORY+COMPARISON+STUDY | Search INTERLABORATORY+COMPARISON+STUDY |
| 10 | COMBUSTION ION CHROMATOGRAPHY | 170349 | 1% | 67% | 2 | Search COMBUSTION+ION+CHROMATOGRAPHY | Search COMBUSTION+ION+CHROMATOGRAPHY |
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 | HOBO, T , IIDA, Y , ISHIBASHI, YI , OKAMOTO, K , KAWASE, A , NAKAMURA, T , NAKAMURA, H , HIRAI, S , MATSUDA, R , YAMASAD, S , ET AL (2008) DEVELOPMENT OF CERTIFIED REFERENCE MATERIALS ACCOMPLISHED BY THE JAPAN SOCIETY FOR ANALYTICAL CHEMISTRY.BUNSEKI KAGAKU. VOL. 57. ISSUE 6. P. 363-392 | 19 | 90% | 1 |
| 2 | OHATA, M , (2016) EFFECT OF LONG-TIME HEATING FOR POLYVINYL CHLORIDE AND POLYPROPYLENE RESIN PELLET CERTIFIED REFERENCE MATERIALS FOR HEAVY METAL ANALYSIS.ANALYTICAL SCIENCES. VOL. 32. ISSUE 9. P. 1003 -1005 | 13 | 100% | 0 |
| 3 | KANG, SG , ZHU, JX , (2015) TOTAL LEAD CONTENT AND ITS BIOACCESSIBILITY IN BASE MATERIALS OF LOW-COST PLASTIC TOYS BOUGHT ON THE BEIJING MARKET.JOURNAL OF MATERIAL CYCLES AND WASTE MANAGEMENT. VOL. 17. ISSUE 1. P. 63 -71 | 15 | 75% | 0 |
| 4 | HILLYER, MM , FINCH, LE , CEREL, AS , DATTELBAUM, JD , LEOPOLD, MC , (2014) MULTI-TECHNIQUE QUANTITATIVE ANALYSIS AND SOCIOECONOMIC CONSIDERATIONS OF LEAD, CADMIUM, AND ARSENIC IN CHILDREN'S TOYS AND TOY JEWELRY.CHEMOSPHERE. VOL. 108. ISSUE . P. 205 -213 | 11 | 79% | 5 |
| 5 | OHATA, M , KIDOKORO, T , (2015) EFFECT OF LONG-TIME X-RAY IRRADIATION ON CR AND HG IN A POLYPROPYLENE DISK CERTIFIED REFERENCE MATERIAL OBSERVED DURING MEASUREMENTS BY X-RAY FLUORESCENCE SPECTROMETRY.ANALYTICAL SCIENCES. VOL. 31. ISSUE 8. P. 855 -858 | 8 | 100% | 3 |
| 6 | OHATA, M , MATSUBAYASHI, N , (2014) DETERMINATION OF HEXAVALENT CHROMIUM IN PLASTIC CERTIFIED REFERENCE MATERIALS BY X-RAY ABSORPTION FINE STRUCTURE ANALYSIS.SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY. VOL. 93. ISSUE . P. 14-19 | 13 | 65% | 2 |
| 7 | OHATA, M , HIOKI, A , (2016) EXPLORING THE DEGRADATION OF ACRYLONITRILE BUTADIENE STYRENE RESIN CERTIFIED REFERENCE MATERIAL FOR HEAVY METAL ANALYSIS.INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH. VOL. 55. ISSUE 19. P. 5618 -5622 | 9 | 90% | 0 |
| 8 | LONGAS, N , ARRONA, RG , OSTRA, M , MILLAN, E , (2009) APPLICATION OF EXPERIMENTAL DESIGN IN ACID DIGESTION OPTIMIZATION FOR CD, CR, AND PB DETERMINATION IN PLASTIC MATERIALS BY ATOMIC ABSORPTION SPECTROMETRY.ATOMIC SPECTROSCOPY. VOL. 30. ISSUE 2. P. 47-53 | 12 | 75% | 5 |
| 9 | ISHIBASHI, Y , ASADA, S , IGAKI, H , TSURUTA, S , ONO, A , KAKITA, K , SAKATA, M , (2009) RESULTS OF 8TH AND 9TH PROFICIENCY TESTING ON DETERMINATION OF DIOXINS BASED ON ISO/IEC GUIDE 43-1.BUNSEKI KAGAKU. VOL. 58. ISSUE 1. P. 39-47 | 9 | 100% | 0 |
| 10 | OZER, ET , CIMENOGLU, MA , GUCER, S , (2011) DETERMINATION OF CADMIUM, CHROMIUM, LEAD, AND MERCURY IN POLYETHYLENE AND POLYPROPYLENE AFTER XYLENE TREATMENT BY ENERGY DISPERSIVE X-RAY FLUORESCENCE SPECTROMETRY.INSTRUMENTATION SCIENCE & TECHNOLOGY. VOL. 39. ISSUE 4. P. 357-367 | 14 | 58% | 9 |
Classes with closest relation at Level 1 |