Class information for:
Level 1: MEMBRANELESS GAS DIFFUSION//AMMONIA DETERMINATION//AMMONIUM DETERMINATION

Basic class information
ID Publications Average number
of references		 Avg. shr. active
ref. in WoS
17924 512 21.3 52%


Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 2)


ID, lev.
above		 Publications Label for level above
1617 6509 NITRITE DETERMINATION//NITRITE//SEQUENTIAL INJECTION ANALYSIS

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 MEMBRANELESS GAS DIFFUSION Author keyword 6 80% 1% 4
2 AMMONIA DETERMINATION Author keyword 6 50% 2% 9
3 AMMONIUM DETERMINATION Author keyword 5 45% 2% 9
4 AMMONIA ANALYSIS Author keyword 4 75% 1% 3
5 GAS DIFFUSION FLOW INJECTION ANALYSIS Author keyword 4 75% 1% 3
6 ANALYT CHEM S Address 2 26% 1% 7
7 IND CHEM TECHNOL PROGRAMME Address 2 50% 1% 3
8 GAS DIFFUSION SEPARATION Author keyword 2 43% 1% 3
9 INDOPHENOL BLUE Author keyword 1 38% 1% 3
10 AMMONIUM ION DETERMINATION Author keyword 1 100% 0% 2

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 MEMBRANELESS GAS DIFFUSION 6 80% 1% 4 Search MEMBRANELESS+GAS+DIFFUSION Search MEMBRANELESS+GAS+DIFFUSION
2 AMMONIA DETERMINATION 6 50% 2% 9 Search AMMONIA+DETERMINATION Search AMMONIA+DETERMINATION
3 AMMONIUM DETERMINATION 5 45% 2% 9 Search AMMONIUM+DETERMINATION Search AMMONIUM+DETERMINATION
4 AMMONIA ANALYSIS 4 75% 1% 3 Search AMMONIA+ANALYSIS Search AMMONIA+ANALYSIS
5 GAS DIFFUSION FLOW INJECTION ANALYSIS 4 75% 1% 3 Search GAS+DIFFUSION+FLOW+INJECTION+ANALYSIS Search GAS+DIFFUSION+FLOW+INJECTION+ANALYSIS
6 GAS DIFFUSION SEPARATION 2 43% 1% 3 Search GAS+DIFFUSION+SEPARATION Search GAS+DIFFUSION+SEPARATION
7 INDOPHENOL BLUE 1 38% 1% 3 Search INDOPHENOL+BLUE Search INDOPHENOL+BLUE
8 AMMONIUM ION DETERMINATION 1 100% 0% 2 Search AMMONIUM+ION+DETERMINATION Search AMMONIUM+ION+DETERMINATION
9 CONTINUOUS PERVAPORATION 1 100% 0% 2 Search CONTINUOUS+PERVAPORATION Search CONTINUOUS+PERVAPORATION
10 GAS PERMEATION SYSTEM 1 100% 0% 2 Search GAS+PERMEATION+SYSTEM Search GAS+PERMEATION+SYSTEM

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 KJELDAHL DIGESTS 11 57% 3% 13
2 INDOPHENOL BLUE METHOD 9 83% 1% 5
3 TRACE AMMONIUM 9 83% 1% 5
4 GAS DIFFUSION MEMBRANE 5 63% 1% 5
5 BERTHELOT REACTION 5 41% 2% 9
6 GAS DIFFUSION UNIT 4 67% 1% 4
7 BERTHELOTS REACTION 4 75% 1% 3
8 GAS ELECTRODE 3 100% 1% 3
9 CONDUCTIMETRY 3 50% 1% 4
10 INDOPHENOL 3 50% 1% 4

Journals

Reviews


Title Publ. year Cit. Active
references		 % act. ref.
to same field
Analytical challenges and advantages of using flow-based methodologies for ammonia determination In estuarine and marine waters 2014 1 44 66%
Pervaporation in chemical analysis 2010 15 80 30%
Pervaporation: a useful tool in food analysis 2000 6 21 81%
Analytical pervaporation: An advantageous alternative to headspace and purge-and-trap techniques 2000 4 32 72%
GAS-DIFFUSION PERMEATION FLOW-INJECTION ANALYSIS .1. PRINCIPLES AND INSTRUMENTATION 1992 32 76 39%
THE BERTHELOT OR INDOPHENOL REACTION AND ITS USE IN THE ANALYTICAL-CHEMISTRY OF NITROGEN - A REVIEW 1984 396 13 31%
Determination of gaseous analytes in flow systems. A review 1999 5 24 33%
DETECTION OF GASEOUS COMPOUNDS BASED ON POTENTIOMETRIC DETECTORS WITH LIQUID ELECTROLYTES 1993 0 26 46%
SELECTIVITY OF THE POTENTIOMETRIC AMMONIA GAS SENSING ELECTRODE 1982 31 2 100%
AUTOMATED-SYSTEM FOR THE ABSOLUTE MEASUREMENT OF OXYGEN IN WHOLE-BLOOD 1983 0 1 100%

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 ANALYT CHEM S 2 26% 1.4% 7
2 IND CHEM TECHNOL PROGRAMME 2 50% 0.6% 3
3 IND CHEM PROGRAMME 1 33% 0.6% 3
4 GRP QAN 1 50% 0.2% 1
5 OCEAN CHEM AOML 1 50% 0.2% 1
6 EWHA SCI TECHNOL 0 33% 0.2% 1
7 IND HYG PROGRAM 0 33% 0.2% 1
8 MAT E ORAT PROPRIETES PLICAT 0 33% 0.2% 1
9 SERV CHIM IND ANALYT 0 33% 0.2% 1
10 RISK MANAGEMENT ENVIRONM SCI 0 18% 0.4% 2

Related classes at same level (level 1)


Rank Relatedness score Related classes
1 0.0000162263 BEAD INJECTION//SEQUENTIAL INJECTION ANALYSIS//SEQUENTIAL INJECTION CHROMATOGRAPHY
2 0.0000156789 PHOSPHATE DETERMINATION//PHOSPHOMOLYBDENUM BLUE//SILICATE INTERFERENCE
3 0.0000133006 SULFITE//SULFITE DETERMINATION//SULFITE BIOSENSOR
4 0.0000112791 PAIRED EMITTER DETECTOR DIODE//LIQUID CORE WAVEGUIDE//WAVEGUIDE CAPILLARY CELL
5 0.0000103870 UREA SENSOR//UREA BIOSENSOR//UREA DETERMINATION
6 0.0000089961 SW MILK MKT AREA//JOURNAL OF THE ASSOCIATION OF PUBLIC ANALYSTS//KJELDAHL METHOD
7 0.0000084784 PESTICIDE FORMULATIONS//SALT MANUFACTURING PROCESS//SEA WATER SCI
8 0.0000084663 CHLORINE DIOXIDE//CHLORITE ION//CHLORATE
9 0.0000084048 COPPER II SENSOR//CHALCOGENIDE GLASS MATERIAL//ION HYDRATION FREE ENERGY
10 0.0000082853 NITRITE DETERMINATION//NITRITE//NITRITE SENSOR