Zikhona Dr Tywabi-Ngeva

PhD in Chemistry, senior lecturer, fellow of the Academy of Science of South Africa
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Publications
29
Citations
261
h-index
9

About

General Chemistry and Physical Chemistry Lecturer based at the Nelson Mandela University. Currently working on Agricultural waste nanomaterials for water treatment applications.

Found 
Found 
Found 
See full statistics
Total publications
29
Total citations
261
Citations per publication
9
Average publications per year
2.07
Average coauthors
5.69
Publications years
2012-2025 (14 years)
h-index
9
i10-index
7
m-index
0.64
o-index
24
g-index
16
w-index
2
Metrics description
h-index
A scientist has an h-index if h of his N publications are cited at least h times each, while the remaining (N - h) publications are cited no more than h times each.
i10-index
The number of the author's publications that received at least 10 links each.
m-index
The researcher's m-index is numerically equal to the ratio of his h-index to the number of years that have passed since the first publication.
o-index
The geometric mean of the h-index and the number of citations of the most cited article of the scientist.
g-index
For a given set of articles, sorted in descending order of the number of citations that these articles received, the g-index is the largest number such that the g most cited articles received (in total) at least g2 citations.
w-index
If w articles of a researcher have at least 10w citations each and other publications are less than 10(w+1) citations, then the researcher's w-index is equal to w.

Fields of science

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2
3
General Materials Science, 3, 10.34%
General Materials Science
3 publications, 10.34%
Physical and Theoretical Chemistry, 2, 6.9%
Physical and Theoretical Chemistry
2 publications, 6.9%
General Medicine, 2, 6.9%
General Medicine
2 publications, 6.9%
Atomic and Molecular Physics, and Optics, 2, 6.9%
Atomic and Molecular Physics, and Optics
2 publications, 6.9%
Health, Toxicology and Mutagenesis, 2, 6.9%
Health, Toxicology and Mutagenesis
2 publications, 6.9%
General Chemistry, 1, 3.45%
General Chemistry
1 publication, 3.45%
Computer Science Applications, 1, 3.45%
Computer Science Applications
1 publication, 3.45%
Multidisciplinary, 1, 3.45%
Multidisciplinary
1 publication, 3.45%
Process Chemistry and Technology, 1, 3.45%
Process Chemistry and Technology
1 publication, 3.45%
Instrumentation, 1, 3.45%
Instrumentation
1 publication, 3.45%
General Engineering, 1, 3.45%
General Engineering
1 publication, 3.45%
Environmental Chemistry, 1, 3.45%
Environmental Chemistry
1 publication, 3.45%
Pollution, 1, 3.45%
Pollution
1 publication, 3.45%
Toxicology, 1, 3.45%
Toxicology
1 publication, 3.45%
Fluid Flow and Transfer Processes, 1, 3.45%
Fluid Flow and Transfer Processes
1 publication, 3.45%
Community and Home Care, 1, 3.45%
Community and Home Care
1 publication, 3.45%
Chemical Health and Safety, 1, 3.45%
Chemical Health and Safety
1 publication, 3.45%
1
2
3

Journals

1
2
Journal of Chemical Thermodynamics
2 publications, 6.9%
Hybrid Advances
2 publications, 6.9%
Journal of Molecular Structure
1 publication, 3.45%
Results in Engineering
1 publication, 3.45%
Applied Sciences (Switzerland)
1 publication, 3.45%
Journal of Saudi Chemical Society
1 publication, 3.45%
Energy Reports
1 publication, 3.45%
Heliyon
1 publication, 3.45%
Toxics
1 publication, 3.45%
Environmental Science and Pollution Research
1 publication, 3.45%
European Journal of Chemistry
1 publication, 3.45%
Chemistry International
1 publication, 3.45%
Journal of the Nigerian Society of Physical Sciences
1 publication, 3.45%
Green Analytical Chemistry
1 publication, 3.45%
Advances in Environmental Engineering and Green Technologies
1 publication, 3.45%
Edelweiss Applied Science and Technology
1 publication, 3.45%
Environment and Social Psychology
1 publication, 3.45%
Industrial and Domestic Waste Management
1 publication, 3.45%
1
2

Citing journals

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4
6
8
10
12
Journal of Molecular Liquids
12 citations, 4.58%
Journal of Environmental Chemical Engineering
7 citations, 2.67%
International Journal of Biological Macromolecules
7 citations, 2.67%
Journal not defined, 6, 2.29%
Journal not defined
6 citations, 2.29%
Water, Air, and Soil Pollution
6 citations, 2.29%
Journal of Chemical Thermodynamics
6 citations, 2.29%
Separation and Purification Technology
6 citations, 2.29%
RSC Advances
5 citations, 1.91%
ChemistrySelect
5 citations, 1.91%
Results in Engineering
5 citations, 1.91%
Journal of Chemical & Engineering Data
5 citations, 1.91%
Journal of Water Process Engineering
5 citations, 1.91%
New Journal of Chemistry
4 citations, 1.53%
Thermochimica Acta
4 citations, 1.53%
Processes
4 citations, 1.53%
Materials
4 citations, 1.53%
Results in Chemistry
4 citations, 1.53%
Molecules
3 citations, 1.15%
Physical Chemistry Chemical Physics
3 citations, 1.15%
Journal of Molecular Structure
3 citations, 1.15%
Polymers
3 citations, 1.15%
Scientific Reports
3 citations, 1.15%
International Journal of Environmental Science and Technology
3 citations, 1.15%
Water (Switzerland)
3 citations, 1.15%
Korean Journal of Chemical Engineering
2 citations, 0.76%
Journal of Applied Polymer Science
2 citations, 0.76%
Trends in Food Science and Technology
2 citations, 0.76%
Biomass Conversion and Biorefinery
2 citations, 0.76%
Materials for Renewable and Sustainable Energy
2 citations, 0.76%
CrystEngComm
2 citations, 0.76%
Nanomaterials
2 citations, 0.76%
Environmental Pollutants and Bioavailability
2 citations, 0.76%
Desalination and Water Treatment
2 citations, 0.76%
Applied Sciences (Switzerland)
2 citations, 0.76%
ACS Sustainable Chemistry and Engineering
2 citations, 0.76%
ACS Omega
2 citations, 0.76%
Journal of Environmental Management
2 citations, 0.76%
Inorganic Chemistry Communication
2 citations, 0.76%
Sustainable Chemistry and Pharmacy
2 citations, 0.76%
Polymer Composites
2 citations, 0.76%
Environmental Science and Pollution Research
2 citations, 0.76%
MRS Advances
2 citations, 0.76%
Chemistry Africa
2 citations, 0.76%
Green Analytical Chemistry
2 citations, 0.76%
Frontiers in Sustainable Food Systems
1 citation, 0.38%
Industrial Crops and Products
1 citation, 0.38%
Surfaces and Interfaces
1 citation, 0.38%
Inorganica Chimica Acta
1 citation, 0.38%
Journal of Cleaner Production
1 citation, 0.38%
Nanotechnology for Environmental Engineering
1 citation, 0.38%
Science of the Total Environment
1 citation, 0.38%
Oil and Gas Science and Technology
1 citation, 0.38%
Journal of Materials Chemistry C
1 citation, 0.38%
Inorganics
1 citation, 0.38%
Chemical Papers
1 citation, 0.38%
Journal of Dispersion Science and Technology
1 citation, 0.38%
Energy Conversion and Management: X
1 citation, 0.38%
Reactive and Functional Polymers
1 citation, 0.38%
Metals
1 citation, 0.38%
IOP Conference Series: Earth and Environmental Science
1 citation, 0.38%
Frontiers in Chemistry
1 citation, 0.38%
ACS Applied Energy Materials
1 citation, 0.38%
Microporous and Mesoporous Materials
1 citation, 0.38%
Separation Science and Technology
1 citation, 0.38%
Environments - MDPI
1 citation, 0.38%
Obesity Reviews
1 citation, 0.38%
Environmental Technology Reviews
1 citation, 0.38%
Food and Chemical Toxicology
1 citation, 0.38%
European Journal of Pharmaceutical Sciences
1 citation, 0.38%
Journal of Sol-Gel Science and Technology
1 citation, 0.38%
BioNanoScience
1 citation, 0.38%
Reviews of Environmental Contamination and Toxicology
1 citation, 0.38%
Small
1 citation, 0.38%
Food Science and Nutrition
1 citation, 0.38%
Dyes and Pigments
1 citation, 0.38%
Chemistry - An Asian Journal
1 citation, 0.38%
Journal of Chemical Education
1 citation, 0.38%
Chromosoma
1 citation, 0.38%
Composites Part B: Engineering
1 citation, 0.38%
Food Chemistry: X
1 citation, 0.38%
E3S Web of Conferences
1 citation, 0.38%
Chemical Engineering Communications
1 citation, 0.38%
Chemical Engineering and Processing: Process Intensification
1 citation, 0.38%
International Journal of Chemical Reactor Engineering
1 citation, 0.38%
Coordination Chemistry Reviews
1 citation, 0.38%
Chemistry and Biodiversity
1 citation, 0.38%
Environmental Quality Management
1 citation, 0.38%
Advances in Colloid and Interface Science
1 citation, 0.38%
Diamond and Related Materials
1 citation, 0.38%
Journal of Physical Chemistry B
1 citation, 0.38%
Microchemical Journal
1 citation, 0.38%
International Journal of Pavement Research and Technology
1 citation, 0.38%
Synthetic Metals
1 citation, 0.38%
Resources
1 citation, 0.38%
Electronic Materials Letters
1 citation, 0.38%
Nanoscale Advances
1 citation, 0.38%
Gels
1 citation, 0.38%
Journal of the Chinese Chemical Society
1 citation, 0.38%
European Polymer Journal
1 citation, 0.38%
Polymer-Plastics Technology and Materials
1 citation, 0.38%
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8
10
12

Publishers

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2
3
4
5
6
7
8
9
Elsevier
9 publications, 31.03%
MDPI
2 publications, 6.9%
Walter de Gruyter
1 publication, 3.45%
Springer Nature
1 publication, 3.45%
King Saud University
1 publication, 3.45%
European Journal of Chemistry
1 publication, 3.45%
IGI Global
1 publication, 3.45%
Nigerian Society of Physical Sciences
1 publication, 3.45%
Tecno Scientifica Publishing
1 publication, 3.45%
Learning Gate
1 publication, 3.45%
Arts and Science Press Pte. Ltd.
1 publication, 3.45%
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2
3
4
5
6
7
8
9

Organizations from articles

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4
6
8
10
12
14
16
Organization not defined, 16, 55.17%
Organization not defined
16 publications, 55.17%
Nelson Mandela University
11 publications, 37.93%
University of Johannesburg
7 publications, 24.14%
Tshwane University of Technology
2 publications, 6.9%
Durban University of Technology
2 publications, 6.9%
Warsaw University of Technology
2 publications, 6.9%
National University of Science and Technology, Bulawayo
2 publications, 6.9%
Iowa State University
1 publication, 3.45%
University of KwaZulu-Natal
1 publication, 3.45%
University of the Free State
1 publication, 3.45%
Cape Peninsula University of Technology
1 publication, 3.45%
Vaal University of Technology
1 publication, 3.45%
University of Ilorin
1 publication, 3.45%
Nile University of Nigeria
1 publication, 3.45%
Clemson University
1 publication, 3.45%
University of Porto
1 publication, 3.45%
Bournemouth University
1 publication, 3.45%
National University of Lesotho
1 publication, 3.45%
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4
6
8
10
12
14
16

Countries from articles

2
4
6
8
10
12
14
16
Country not defined, 15, 51.72%
Country not defined
15 publications, 51.72%
South Africa, 15, 51.72%
South Africa
15 publications, 51.72%
USA, 4, 13.79%
USA
4 publications, 13.79%
Zimbabwe, 2, 6.9%
Zimbabwe
2 publications, 6.9%
Nigeria, 2, 6.9%
Nigeria
2 publications, 6.9%
Poland, 2, 6.9%
Poland
2 publications, 6.9%
Russia, 1, 3.45%
Russia
1 publication, 3.45%
Portugal, 1, 3.45%
Portugal
1 publication, 3.45%
United Kingdom, 1, 3.45%
United Kingdom
1 publication, 3.45%
India, 1, 3.45%
India
1 publication, 3.45%
Lesotho, 1, 3.45%
Lesotho
1 publication, 3.45%
Republic of Korea, 1, 3.45%
Republic of Korea
1 publication, 3.45%
Saudi Arabia, 1, 3.45%
Saudi Arabia
1 publication, 3.45%
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4
6
8
10
12
14
16

Citing organizations

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20
30
40
50
Organization not defined, 50, 19.16%
Organization not defined
50 citations, 19.16%
University of KwaZulu-Natal
21 citations, 8.05%
North-West University
14 citations, 5.36%
Durban University of Technology
14 citations, 5.36%
Olabisi Onabanjo University
11 citations, 4.21%
Stellenbosch University
10 citations, 3.83%
King Saud University
8 citations, 3.07%
University of Johannesburg
8 citations, 3.07%
Northern Border University
7 citations, 2.68%
Universidad de la Costa
7 citations, 2.68%
University of Bisha
6 citations, 2.3%
University of Delhi
6 citations, 2.3%
University of the Free State
6 citations, 2.3%
COMSATS University Islamabad
5 citations, 1.92%
Nelson Mandela University
4 citations, 1.53%
University of Burgos
4 citations, 1.53%
Ibn Zohr University
4 citations, 1.53%
Imam Mohammad Ibn Saud Islamic University
3 citations, 1.15%
University of the Punjab
3 citations, 1.15%
Bahauddin Zakariya University
3 citations, 1.15%
Sidi Mohamed Ben Abdellah University
3 citations, 1.15%
University of Belgrade
3 citations, 1.15%
National University of Science and Technology, Bulawayo
3 citations, 1.15%
United Arab Emirates University
2 citations, 0.77%
University of Sharjah
2 citations, 0.77%
Panjab University
2 citations, 0.77%
Vellore Institute of Technology University
2 citations, 0.77%
The Islamia University of Bahawalpur
2 citations, 0.77%
Indian Institute of Technology Madras
2 citations, 0.77%
Indian Institute of Technology Roorkee
2 citations, 0.77%
Chandigarh University
2 citations, 0.77%
Gebze Technical University
2 citations, 0.77%
Razi University
2 citations, 0.77%
Harbin Institute of Technology
2 citations, 0.77%
Amity University, Noida
2 citations, 0.77%
Tongji University
2 citations, 0.77%
University Putra Malaysia
2 citations, 0.77%
National University of Malaysia
2 citations, 0.77%
University of Malaysia, Perlis
2 citations, 0.77%
Wuhan University of Science and Technology
2 citations, 0.77%
Aalto University
2 citations, 0.77%
University of New South Wales
2 citations, 0.77%
National Chin-Yi University of Technology
2 citations, 0.77%
University of Messina
2 citations, 0.77%
Tshwane University of Technology
2 citations, 0.77%
University of Fort Hare
2 citations, 0.77%
University of Ilorin
2 citations, 0.77%
Nile University of Nigeria
2 citations, 0.77%
Korea Research Institute of Chemical Technology
2 citations, 0.77%
Yeungnam University
2 citations, 0.77%
Yunnan University
2 citations, 0.77%
Galgotias University
2 citations, 0.77%
Southern Taiwan University of Science and Technology
2 citations, 0.77%
Mohammed VI Polytechnic University
2 citations, 0.77%
University of Somalia
2 citations, 0.77%
University of São Paulo
2 citations, 0.77%
Universidad Catolica de la Santisima Concepcion
2 citations, 0.77%
Satbayev University
1 citation, 0.38%
Institute of Nuclear Physics, National Nuclear Center of the Republic of Kazakhstan
1 citation, 0.38%
Institute of Physics and Technology
1 citation, 0.38%
Western Caspian University
1 citation, 0.38%
Genetic Resources Institute of the Ministry of Science and Education of the Republic of Azerbaijan
1 citation, 0.38%
King Abdulaziz University
1 citation, 0.38%
King Faisal University
1 citation, 0.38%
Princess Nourah bint Abdulrahman University
1 citation, 0.38%
King Abdulaziz City for Science and Technology
1 citation, 0.38%
Umm al-Qura University
1 citation, 0.38%
Qassim University
1 citation, 0.38%
Prince Sattam bin Abdulaziz University
1 citation, 0.38%
University of Hail
1 citation, 0.38%
University of Tehran
1 citation, 0.38%
Amirkabir University of Technology
1 citation, 0.38%
Sharif University of Technology
1 citation, 0.38%
New York University Abu Dhabi
1 citation, 0.38%
Ege University
1 citation, 0.38%
Amity University, Dubai
1 citation, 0.38%
Iran Polymer and Petrochemical Institute
1 citation, 0.38%
Ferdowsi University of Mashhad
1 citation, 0.38%
National University of Sciences & Technology
1 citation, 0.38%
Yildiz Technical University
1 citation, 0.38%
Quaid-i-Azam University
1 citation, 0.38%
Government College University, Faisalabad
1 citation, 0.38%
University of Engineering and Technology, Peshawar
1 citation, 0.38%
University of Peshawar
1 citation, 0.38%
Indian Institute of Technology Delhi
1 citation, 0.38%
Imam Abdulrahman Bin Faisal University
1 citation, 0.38%
Indian Institute of Technology (Banaras Hindu University) Varanasi
1 citation, 0.38%
Indian Institute of Technology (Indian School of Mines) Dhanbad
1 citation, 0.38%
Banaras Hindu University
1 citation, 0.38%
Jamia Millia Islamia
1 citation, 0.38%
Central University of Kerala
1 citation, 0.38%
Symbiosis International University
1 citation, 0.38%
Delhi Technological University
1 citation, 0.38%
National Institute of Technology Warangal
1 citation, 0.38%
Maulana Azad National Institute of Technology Bhopal
1 citation, 0.38%
National Institute of Technology Agartala
1 citation, 0.38%
Gujarat University
1 citation, 0.38%
Uskudar University
1 citation, 0.38%
Islamic Azad University, Tehran
1 citation, 0.38%
Islamic Azad University, Isfahan
1 citation, 0.38%
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30
40
50

Citing countries

10
20
30
40
50
60
South Africa, 51, 19.54%
South Africa
51 citations, 19.54%
Country not defined, 44, 16.86%
Country not defined
44 citations, 16.86%
India, 41, 15.71%
India
41 citations, 15.71%
China, 27, 10.34%
China
27 citations, 10.34%
Saudi Arabia, 26, 9.96%
Saudi Arabia
26 citations, 9.96%
Nigeria, 21, 8.05%
Nigeria
21 citations, 8.05%
USA, 15, 5.75%
USA
15 citations, 5.75%
Morocco, 11, 4.21%
Morocco
11 citations, 4.21%
Brazil, 10, 3.83%
Brazil
10 citations, 3.83%
Spain, 10, 3.83%
Spain
10 citations, 3.83%
Algeria, 9, 3.45%
Algeria
9 citations, 3.45%
Iran, 8, 3.07%
Iran
8 citations, 3.07%
Colombia, 8, 3.07%
Colombia
8 citations, 3.07%
Pakistan, 8, 3.07%
Pakistan
8 citations, 3.07%
Republic of Korea, 7, 2.68%
Republic of Korea
7 citations, 2.68%
Turkey, 7, 2.68%
Turkey
7 citations, 2.68%
Iraq, 6, 2.3%
Iraq
6 citations, 2.3%
Malaysia, 6, 2.3%
Malaysia
6 citations, 2.3%
UAE, 6, 2.3%
UAE
6 citations, 2.3%
France, 5, 1.92%
France
5 citations, 1.92%
United Kingdom, 5, 1.92%
United Kingdom
5 citations, 1.92%
Egypt, 4, 1.53%
Egypt
4 citations, 1.53%
Indonesia, 4, 1.53%
Indonesia
4 citations, 1.53%
Italy, 4, 1.53%
Italy
4 citations, 1.53%
Mexico, 4, 1.53%
Mexico
4 citations, 1.53%
Poland, 4, 1.53%
Poland
4 citations, 1.53%
Serbia, 4, 1.53%
Serbia
4 citations, 1.53%
Philippines, 4, 1.53%
Philippines
4 citations, 1.53%
Portugal, 3, 1.15%
Portugal
3 citations, 1.15%
Australia, 3, 1.15%
Australia
3 citations, 1.15%
Zimbabwe, 3, 1.15%
Zimbabwe
3 citations, 1.15%
Thailand, 3, 1.15%
Thailand
3 citations, 1.15%
Ecuador, 3, 1.15%
Ecuador
3 citations, 1.15%
Japan, 3, 1.15%
Japan
3 citations, 1.15%
Bangladesh, 2, 0.77%
Bangladesh
2 citations, 0.77%
Greece, 2, 0.77%
Greece
2 citations, 0.77%
Canada, 2, 0.77%
Canada
2 citations, 0.77%
Kenya, 2, 0.77%
Kenya
2 citations, 0.77%
Cyprus, 2, 0.77%
Cyprus
2 citations, 0.77%
Romania, 2, 0.77%
Romania
2 citations, 0.77%
Somalia, 2, 0.77%
Somalia
2 citations, 0.77%
Finland, 2, 0.77%
Finland
2 citations, 0.77%
Czech Republic, 2, 0.77%
Czech Republic
2 citations, 0.77%
Chile, 2, 0.77%
Chile
2 citations, 0.77%
Sri Lanka, 2, 0.77%
Sri Lanka
2 citations, 0.77%
Ethiopia, 2, 0.77%
Ethiopia
2 citations, 0.77%
Kazakhstan, 1, 0.38%
Kazakhstan
1 citation, 0.38%
Austria, 1, 0.38%
Austria
1 citation, 0.38%
Azerbaijan, 1, 0.38%
Azerbaijan
1 citation, 0.38%
Angola, 1, 0.38%
Angola
1 citation, 0.38%
Argentina, 1, 0.38%
Argentina
1 citation, 0.38%
Belgium, 1, 0.38%
Belgium
1 citation, 0.38%
Bosnia and Herzegovina, 1, 0.38%
Bosnia and Herzegovina
1 citation, 0.38%
Hungary, 1, 0.38%
Hungary
1 citation, 0.38%
Vietnam, 1, 0.38%
Vietnam
1 citation, 0.38%
Gambia, 1, 0.38%
Gambia
1 citation, 0.38%
Ghana, 1, 0.38%
Ghana
1 citation, 0.38%
Jordan, 1, 0.38%
Jordan
1 citation, 0.38%
Cameroon, 1, 0.38%
Cameroon
1 citation, 0.38%
Lesotho, 1, 0.38%
Lesotho
1 citation, 0.38%
Norway, 1, 0.38%
Norway
1 citation, 0.38%
Oman, 1, 0.38%
Oman
1 citation, 0.38%
Peru, 1, 0.38%
Peru
1 citation, 0.38%
Slovenia, 1, 0.38%
Slovenia
1 citation, 0.38%
Sudan, 1, 0.38%
Sudan
1 citation, 0.38%
Tunisia, 1, 0.38%
Tunisia
1 citation, 0.38%
Sweden, 1, 0.38%
Sweden
1 citation, 0.38%
South Sudan, 1, 0.38%
South Sudan
1 citation, 0.38%
Taiwan, 1, 0.38%
Taiwan
1 citation, 0.38%
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50
60
  • We do not take into account publications without a DOI.
  • Statistics recalculated daily.