Class information for:
Level 1: CHEMICAL OXYGEN DEMAND//CHEMICAL OXYGEN DEMAND COD//COD DETERMINATION

Basic class information

ID Publications Average number
of references
Avg. shr. active
ref. in WoS
18916 464 20.5 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 CHEMICAL OXYGEN DEMAND Author keyword 9 13% 14% 67
2 CHEMICAL OXYGEN DEMAND COD Author keyword 7 20% 6% 30
3 COD DETERMINATION Author keyword 6 71% 1% 5
4 WASTEWATER QUALITY MONITORING Author keyword 4 75% 1% 3
5 EXHAUSTIVE ELECTROLYSIS Author keyword 3 60% 1% 3
6 OBSERV ENVIRONM DEV DURABLE Address 3 60% 1% 3
7 GENIE ENVIRONM IND Address 3 11% 5% 24
8 COBALTIII ION Author keyword 2 67% 0% 2
9 O ING C QUIM Address 2 67% 0% 2
10 TOTAL INDICES Author keyword 2 67% 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 CHEMICAL OXYGEN DEMAND 9 13% 14% 67 Search CHEMICAL+OXYGEN+DEMAND Search CHEMICAL+OXYGEN+DEMAND
2 CHEMICAL OXYGEN DEMAND COD 7 20% 6% 30 Search CHEMICAL+OXYGEN+DEMAND+COD Search CHEMICAL+OXYGEN+DEMAND+COD
3 COD DETERMINATION 6 71% 1% 5 Search COD+DETERMINATION Search COD+DETERMINATION
4 WASTEWATER QUALITY MONITORING 4 75% 1% 3 Search WASTEWATER+QUALITY+MONITORING Search WASTEWATER+QUALITY+MONITORING
5 EXHAUSTIVE ELECTROLYSIS 3 60% 1% 3 Search EXHAUSTIVE+ELECTROLYSIS Search EXHAUSTIVE+ELECTROLYSIS
6 COBALTIII ION 2 67% 0% 2 Search COBALTIII+ION Search COBALTIII+ION
7 TOTAL INDICES 2 67% 0% 2 Search TOTAL+INDICES Search TOTAL+INDICES
8 TREATABILITY TEST 2 67% 0% 2 Search TREATABILITY+TEST Search TREATABILITY+TEST
9 WASTEWATER MONITORING 2 43% 1% 3 Search WASTEWATER+MONITORING Search WASTEWATER+MONITORING
10 CARBOGEN GAS 1 100% 0% 2 Search CARBOGEN+GAS Search CARBOGEN+GAS

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 MULTIWAVELENGTH ABSORPTIOMETRY UVMA 23 86% 3% 12
2 PHOTOCATALYTIC SENSOR 21 85% 2% 11
3 LASER ANNEAL 20 100% 2% 9
4 CHEMICAL OXYGEN DEMAND 8 24% 6% 30
5 LAYER ELECTROCHEMICAL CELL 5 50% 2% 7
6 ONLINE PRETREATMENT 1 100% 0% 2
7 PHOTOELECTROCHEMICAL METHOD 1 100% 0% 2
8 TIO2 FILM ELECTRODES 1 20% 1% 4
9 PROPOSED METHOD 1 23% 1% 3
10 IR W 1 50% 0% 1

Journals

Reviews



Title Publ. year Cit. Active
references
% act. ref.
to same field
Water Quality Analysis by UV-Vis Spectroscopy: A Review of Methodology and Application 2013 3 28 86%
A multivariate calibration procedure for UV/VIS spectrometric quantification of organic matter and nitrate in wastewater 2003 60 2 50%
Non-contact measurement of wastewater polluting load - the Loadmon project 2003 2 1 100%
Influence of changes of the wastewater composition on the applicability of UV-absorption measurements at combined sewer overflows 2003 7 3 67%
On-line monitoring of wastewater quality: a review 2001 88 43 19%
From UV spectra to degradability of industrial wastewater/definition and use of a "shape factor" 2000 1 8 100%
Process Analytical Chemistry: Applications of Ultraviolet/Visible Spectrometry in Environmental Analysis: An Overview 2009 6 35 46%
A Photoelectrocatalytic Method Using Highly Ordered TiO2 Nanotube Array for Determination of Surface Water 2010 2 11 45%
Minimisation strategy of petrochemical wastewater organic load 2000 1 10 90%
Flow analysis techniques as effective tools for the improved environmental analysis of organic compounds expressed as total indices 2010 5 44 27%

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 OBSERV ENVIRONM DEV DURABLE 3 60% 0.6% 3
2 GENIE ENVIRONM IND 3 11% 5.2% 24
3 O ING C QUIM 2 67% 0.4% 2
4 KEY DISCIPLINES NEW MICRO NANO DEVICES 1 50% 0.4% 2
5 SERV C12 1 100% 0.4% 2
6 UP EA 2678 1 50% 0.4% 2
7 SANITARY ENGN WATER POLLUT CONTROL 1 14% 1.1% 5
8 ANALYT MINIST EDUC 1 50% 0.2% 1
9 CLEAN IND TREATMENT TECHNOL 1 50% 0.2% 1
10 CS 74312 1 50% 0.2% 1

Related classes at same level (level 1)



Rank Relatedness score Related classes
1 0.0000103158 PHOTOELECTROCATALYSIS//PHOTOFUEL CELL//PHOTOCATALYTIC FUEL CELL
2 0.0000089283 BOD BIOSENSOR//BOD SENSOR//MICROBIAL SENSOR
3 0.0000075347 URBAN WASTEWATER SYSTEM//BSM1//ACTIVATED SLUDGE PROCESS
4 0.0000057102 VOM WASSER//BIO TESTS//METHOD OF STANDARD ADDITIONS
5 0.0000056733 H POINT STANDARD ADDITION METHOD//HPSAM//H POINT STANDARD ADDITIONS METHOD
6 0.0000055262 ANALYSIS SPEED//CONTOUR ELLIPSE//NATIONAL MEASUREMENT ACCREDITATION SERVICE NAMAS
7 0.0000055131 DISSOLVED ORGANIC MATTER//CHROMOPHORIC DISSOLVED ORGANIC MATTER//CDOM
8 0.0000055005 BITUMEN STRUCTURE//PROTON AFFINITY DISTRIBUTIONS//ITERATIVE ELIMINATION
9 0.0000054853 PHOSPHATE DETERMINATION//PHOSPHOMOLYBDENUM BLUE//SILICATE INTERFERENCE
10 0.0000052307 SALINE WASTEWATER//HYPERSALINE WASTEWATER//MUSTARD TUBER WASTEWATER