Class information for:
Level 1: NITRITE//NITRITE DETERMINATION//NITRITE ION

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
5616 1597 28.0 64%


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
1280 2             NITRITE//CHEMISTRY, ANALYTICAL//ANALYTICA CHIMICA ACTA 8712
5616 1                   NITRITE//NITRITE DETERMINATION//NITRITE ION 1597

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 NITRITE authKW 1531944 34% 15% 540
2 NITRITE DETERMINATION authKW 917989 3% 87% 55
3 NITRITE ION authKW 312095 3% 41% 40
4 NITRATE DETERMINATION authKW 256081 2% 56% 24
5 NITRITE SENSOR authKW 230048 1% 63% 19
6 NITRATE authKW 129001 15% 3% 238
7 GRIESS REACTION authKW 123962 1% 31% 21
8 NITRITE BIOSENSOR authKW 95594 0% 100% 5
9 NITRITE DETECTION authKW 81566 1% 53% 8
10 COPPERIZED CADMIUM COLUMN authKW 76475 0% 100% 4

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 35689 63% 0% 1010
2 Electrochemistry 5414 16% 0% 255
3 Biochemical Research Methods 659 8% 0% 122
4 Food Science & Technology 454 7% 0% 115
5 Instruments & Instrumentation 275 5% 0% 79
6 Chemistry, Multidisciplinary 224 11% 0% 170
7 Spectroscopy 212 4% 0% 61
8 Chemistry, Applied 64 3% 0% 43
9 Medical Laboratory Technology 37 1% 0% 17
10 Environmental Sciences 24 4% 0% 62

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 JIANGSU ENVIRONM MAT ENGN 47792 0% 50% 5
2 ANORG CHEM F 19119 0% 100% 1
3 BIOMATH BIOPHYS BIOCHEM SCIENTOMETRY 19119 0% 100% 1
4 CASILLA 40 19119 0% 100% 1
5 CEQUP QUIM FIS FARM 19119 0% 100% 1
6 CHERN SCI ENGN 19119 0% 100% 1
7 CHI H 211 19119 0% 100% 1
8 CHOLLEGE CHEM 19119 0% 100% 1
9 COASTAL 102 19119 0% 100% 1
10 CORREO 22 19119 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 TALANTA 11581 6% 1% 101
2 ANALYST 9590 5% 1% 86
3 ANALYTICA CHIMICA ACTA 8610 7% 0% 105
4 MICROCHIMICA ACTA 7707 2% 1% 35
5 ELECTROANALYSIS 6342 3% 1% 49
6 ANALYTICAL LETTERS 5244 3% 1% 43
7 MICROCHEMICAL JOURNAL 4448 2% 1% 32
8 INTERNATIONAL JOURNAL OF ENVIRONMENTAL ANALYTICAL CHEMISTRY 3624 2% 1% 25
9 CHINESE JOURNAL OF ANALYTICAL CHEMISTRY 3106 2% 1% 33
10 BUNSEKI KAGAKU 2909 2% 1% 30

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 NITRITE 1531944 34% 15% 540 Search NITRITE Search NITRITE
2 NITRITE DETERMINATION 917989 3% 87% 55 Search NITRITE+DETERMINATION Search NITRITE+DETERMINATION
3 NITRITE ION 312095 3% 41% 40 Search NITRITE+ION Search NITRITE+ION
4 NITRATE DETERMINATION 256081 2% 56% 24 Search NITRATE+DETERMINATION Search NITRATE+DETERMINATION
5 NITRITE SENSOR 230048 1% 63% 19 Search NITRITE+SENSOR Search NITRITE+SENSOR
6 NITRATE 129001 15% 3% 238 Search NITRATE Search NITRATE
7 GRIESS REACTION 123962 1% 31% 21 Search GRIESS+REACTION Search GRIESS+REACTION
8 NITRITE BIOSENSOR 95594 0% 100% 5 Search NITRITE+BIOSENSOR Search NITRITE+BIOSENSOR
9 NITRITE DETECTION 81566 1% 53% 8 Search NITRITE+DETECTION Search NITRITE+DETECTION
10 COPPERIZED CADMIUM COLUMN 76475 0% 100% 4 Search COPPERIZED+CADMIUM+COLUMN Search COPPERIZED+CADMIUM+COLUMN

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 MOORCROFT, MJ , DAVIS, J , COMPTON, RG , (2001) DETECTION AND DETERMINATION OF NITRATE AND NITRITE: A REVIEW.TALANTA. VOL. 54. ISSUE 5. P. 785 -803 89 61% 402
2 ZHAO, YL , ZHAO, DA , LI, DL , (2015) ELECTROCHEMICAL AND OTHER METHODS FOR DETECTION AND DETERMINATION OF DISSOLVED NITRITE: A REVIEW.INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE. VOL. 10. ISSUE 2. P. 1144 -1168 81 48% 10
3 SHARIATI-RAD, M , IRANDOUST, M , NIAZI, F , (2015) A SENSITIVE SPECTROFLUORIMETRIC METHOD FOR THE DETERMINATION OF NITRITE IN AGRICULTURAL SAMPLES.FOOD ANALYTICAL METHODS. VOL. 8. ISSUE 7. P. 1691 -1698 44 86% 0
4 SHARIATI-RAD, M , IRANDOUST, M , MOHAMMADI, S , (2015) SPECTROPHOTOMETRIC DETERMINATION OF NITRITE IN SOIL AND WATER USING CEFIXIME AND CENTRAL COMPOSITE DESIGN.SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY. VOL. 149. ISSUE . P. 190 -195 33 92% 5
5 NAGARAJA, P , AL-TAYAR, NGS , SHIVAKUMAR, A , SHRESTHA, AK , GOWDA, AK , (2010) A SIMPLE AND SENSITIVE SPECTROPHOTOMETRIC METHOD FOR THE DETERMINATION OF TRACE AMOUNTS OF NITRITE IN ENVIRONMENTAL AND BIOLOGICAL SAMPLES USING 4-AMINO-5-HYDROXYNAPHTHALENE-2,7-DISULPHONIC ACID MONOSODIUM SALT.SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY. VOL. 75. ISSUE 5. P. 1411-1416 39 89% 18
6 AYDIN, A , ERCAN, O , TASCIOGLU, S , (2005) A NOVEL METHOD FOR THE SPECTROPHOTOMETRIC DETERMINATION OF NITRITE IN WATER.TALANTA. VOL. 66. ISSUE 5. P. 1181-1186 44 86% 56
7 IRANDOUST, M , SHARIATI-RAD, M , HAGHIGHI, M , (2013) NITRITE DETERMINATION IN WATER SAMPLES BASED ON A MODIFIED GRIESS REACTION AND CENTRAL COMPOSITE DESIGN.ANALYTICAL METHODS. VOL. 5. ISSUE 21. P. 5977-5982 36 86% 9
8 HALLAJ, R , SALIMI, A , KAVOSI, B , MANSOURI, G , (2016) HIGHLY SENSITIVE AND ULTRA-SELECTIVE AMPEROMETRIC NITRITE SENSOR USING CYCLOMETALATED RH(III)-COMPLEX/CNTS MODIFIED GLASSY CARBON ELECTRODE INTEGRATED WITH FLOW INJECTION ANALYSIS.SENSORS AND ACTUATORS B-CHEMICAL. VOL. 233. ISSUE . P. 107 -119 38 67% 2
9 HOODA, V , SACHDEVA, V , CHAUHAN, N , (2016) NITRATE QUANTIFICATION: RECENT INSIGHTS INTO ENZYME-BASED METHODS.REVIEWS IN ANALYTICAL CHEMISTRY. VOL. 35. ISSUE 3. P. 99 -114 43 67% 0
10 SOHAIL, M , ADELOJU, SB , (2016) NITRATE BIOSENSORS AND BIOLOGICAL METHODS FOR NITRATE DETERMINATION.TALANTA. VOL. 153. ISSUE . P. 83 -98 50 52% 1

Classes with closest relation at Level 1


Rank Class id link
1 16852 NITRATE CONTENT//VEGETABLE CROPS PROC//OXALATE ACCUMULATION
2 13916 NITRATE REDUCTION//CATALYTIC DENITRIFICATION//PD CU BIMETALLICS
3 16269 HLTH EFFECTS ENVIRONM CONTAMINAT//BREATH NITROUS OXIDE//JAIPUR ZONAL
4 20594 AMMONIA DETERMINATION//AMMONIUM DETERMINATION//MEMBRANELESS GAS DIFFUSION
5 11578 PHOSPHATE DETERMINATION//PHOSPHOMOLYBDENUM BLUE//SILICATE INTERFERENCE
6 11967 NITRIC OXIDE DETECTION//PORPHYRINIC SENSOR//IRON DITHIOCARBAMATE COMPLEXES
7 20196 LIQUID CORE WAVEGUIDE//PAIRED EMITTER DETECTOR DIODE//LIQUID CORE OPTICAL FIBER
8 2251 ION CHROMATOGRAPHY//INORGANIC ANIONS//INORGANIC CATIONS
9 7655 NITRITE//DIETARY NITRATE//S NITROSOHEMOGLOBIN
10 31719 ST EUGENIO CTO A ALESINI HOSP//MASSACHUSETTS GEN HOSPSHRINERS HOSP CHILDREN//ABLUMINAL MEMBRANE

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