Class information for:
Level 1: FORMALDEHYDE DETERMINATION//2 4 DINITROPHENYLHYDRAZINE//CARBONYL COMPOUNDS

Basic class information
ID Publications Average number
of references		 Avg. shr. active
ref. in WoS
5428 1558 26.8 60%


Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 2)


ID, lev.
above		 Publications Label for level above
1900 5364 OZONE FORMATION POTENTIAL//FORMALDEHYDE DETERMINATION//NON METHANE HYDROCARBONS

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 FORMALDEHYDE DETERMINATION Author keyword 32 88% 1% 15
2 2 4 DINITROPHENYLHYDRAZINE Author keyword 25 41% 3% 46
3 CARBONYL COMPOUNDS Author keyword 12 11% 7% 105
4 DNPH Author keyword 11 48% 1% 16
5 GIRARDS REAGENT T Author keyword 9 83% 0% 5
6 FORMALDEHYDE IN AIR Author keyword 8 100% 0% 5
7 PFBHA Author keyword 7 56% 1% 9
8 CARBONYLS Author keyword 7 14% 3% 46
9 FLUORAL P Author keyword 7 67% 0% 6
10 ABT ANALYT CHEM Address 6 36% 1% 14

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 FORMALDEHYDE DETERMINATION 32 88% 1% 15 Search FORMALDEHYDE+DETERMINATION Search FORMALDEHYDE+DETERMINATION
2 2 4 DINITROPHENYLHYDRAZINE 25 41% 3% 46 Search 2+4+DINITROPHENYLHYDRAZINE Search 2+4+DINITROPHENYLHYDRAZINE
3 CARBONYL COMPOUNDS 12 11% 7% 105 Search CARBONYL+COMPOUNDS Search CARBONYL+COMPOUNDS
4 DNPH 11 48% 1% 16 Search DNPH Search DNPH
5 GIRARDS REAGENT T 9 83% 0% 5 Search GIRARDS+REAGENT+T Search GIRARDS+REAGENT+T
6 FORMALDEHYDE IN AIR 8 100% 0% 5 Search FORMALDEHYDE+IN+AIR Search FORMALDEHYDE+IN+AIR
7 PFBHA 7 56% 1% 9 Search PFBHA Search PFBHA
8 CARBONYLS 7 14% 3% 46 Search CARBONYLS Search CARBONYLS
9 FLUORAL P 7 67% 0% 6 Search FLUORAL+P Search FLUORAL+P
10 LOW MOLECULAR MASS ALDEHYDES 6 100% 0% 4 Search LOW+MOLECULAR+MASS+ALDEHYDES Search LOW+MOLECULAR+MASS+ALDEHYDES

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 2 4 DINITROPHENYLHYDRAZONES 65 67% 4% 59
2 ROME AMBIENT AIR 51 91% 1% 21
3 2 4 DINITROPHENYLHYDRAZINE 33 53% 3% 44
4 TRACE FORMALDEHYDE 32 88% 1% 15
5 HYDRAZINE REAGENTS 31 92% 1% 12
6 2 RURAL SITES 27 92% 1% 11
7 ON FIBER DERIVATIZATION 20 32% 3% 51
8 ATMOSPHERIC FORMALDEHYDE 18 53% 2% 24
9 AMBIENT FORMALDEHYDE 18 89% 1% 8
10 MODIFIED PARAROSANILINE METHOD 15 88% 0% 7

Journals

Reviews


Title Publ. year Cit. Active references % act. ref.
to same field
Transportable, fast and high sensitive near real-time analyzers: Formaldehyde detection 2013 10 35 71%
Hydrazine reagents as derivatizing agents in environmental analysis - a critical review 2000 94 100 85%
Formaldehyde Gas Sensors: A Review 2013 15 43 42%
METHODS FOR DETERMINATION OF LOW-MOLECULAR-WEIGHT CARBONYL-COMPOUNDS IN THE ATMOSPHERE 1992 109 110 68%
Experimental choices for the determination of carbonyl compounds in air 2007 19 62 71%
Derivatization of carbonyl compounds with 2,4-dinitrophenylhydrazine and their subsequent determination by high-performance liquid chromatography 2011 14 69 38%
DERIVATIZATION AND CHROMATOGRAPHIC DETERMINATION OF ALDEHYDES IN GASEOUS AND AIR SAMPLES 1995 28 39 97%
Ethanol fuel use in Brazil: air quality impacts 2009 30 98 34%
Aldehydes and ketones in engine exhaust emissions - A review 1996 33 6 67%
Atmospheric carbonyl compounds: Sources, reactivity, concentration levels and toxicologic effects 2002 21 79 56%

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 ABT ANALYT CHEM 6 36% 0.9% 14
2 CELL REGULATORY SYST 2 36% 0.3% 5
3 GUANGZHOU ENVIRONM PROTECT OURCES UT 2 67% 0.1% 2
4 JOINT PROGRAM EXPOSURE SCI 2 67% 0.1% 2
5 ATMOSPHER EXPOSURE ASSESSMENT 1 50% 0.1% 2
6 BRANCH CAMPUS BIOTECHNOL 1 100% 0.1% 2
7 GD UTILIZAT PROTECT ENVIRONM OURCES 1 100% 0.1% 2
8 IFOS UMR 5621 1 50% 0.1% 2
9 SCI TECHNOL TRANSFER 1 100% 0.1% 2
10 UPR 5151 1 100% 0.1% 2

Related classes at same level (level 1)


Rank Relatedness score Related classes
1 0.0000154289 BIOMED DEVICES RUMENTAT//BIOELECTRONIC SNIFFER//TEAR GLUCOSE
2 0.0000088334 INDOOR CHEMISTRY//INDOOR AIR//INDOOR AIR CHEMISTRY
3 0.0000086705 FORMALDEHYDE INHALATION//DNA PROTEIN CROSS LINKS//CAS 2146 71 6
4 0.0000083937 OZONE FORMATION POTENTIAL//NON METHANE HYDROCARBONS//STATE JOINT ENVIRONM SIMULAT POLLUT CON
5 0.0000077023 HEXAMETHYLDISILAZANE TREATED SILICA//OCTADECYL MODIFIED SILICA//ABSORPTION ANALYSIS
6 0.0000072893 BREAKTHROUGH VOLUMES//SOLID PHASE COLLECTION//ADSORBENT TUBE
7 0.0000062409 PEROXYACETYL NITRATE//ALKYL NITRATES//PEROXYACETYL NITRATE PAN
8 0.0000059941 PASSIVE SAMPLER//DIFFUSION TUBES//BADAN LINGKUNGAN HIDUP
9 0.0000053825 HEPATOCYTE MOUSE//D ERYTHRULOSE REDUCTASE//CELL MEDIUM
10 0.0000050737 ISOPRENE//ISOPRENE EMISSION//BVOC