Citation Rankings
Highly Cited Researchers

Universidad Nacional Costa Rica Highly Cited Researchers CitationNatural Sciences / Chemical Sciences Rankings (Sort by last 6 years Citation Index) 2025

Citation Rankings (Highly Cited Researchers) and the list of the most cited and influential researchers cover a wide range of scientific fields, spanning 197 main and sub-disciplines, as well as the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings, offering a unique service. Additionally, the list without CERN, Statistical Data, etc., provided exclusively by “AD Scientific Index”, is part of our effort to balance the situation created by CERN and researchers with statistical data, who have an advantage over others, especially those in the social and humanities fields. There should be new regulations for multi-author and CERN papers. Citation lists also reveal many rule violations and unethical practices. See also for more specific citation analyses: Scientists Last 6 years Citation IndexUniversities Total Citations Rankings 2025 and Universities Last 6 Years Citations Rankings 2025

* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :1
Costa Rica
Clemens Ruepert
environmental chemistry
pesticides
analytical chemistry
emergent contaminants
occupacional hygiene
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,030
1,274
0.420
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :2
Costa Rica
Germain Esquivel Hernández
Environmental Analytical Chemistry
Stable Isotopes
Ecohydrology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
942
816
0.866
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :3
Costa Rica
Victor Vasquez
Química
Productos Natural
LCMS
GCMS
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
616
538
0.873
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :4
Costa Rica
Alejandra Baldi
Asphalt
materials science
adhesion
interfaces
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
515
435
0.845
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :5
Costa Rica
Erick Castellón
liquid crystals
sol-gel
optical materials
porous materials
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
405
287
0.709
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :6
Costa Rica
Julio Otarola
Analytical Chemistry
Chemical Ecology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
351
230
0.655
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :7
Costa Rica
Jairo García-Céspedes
Geochemistry
vulcanology
ecotoxicology
environmental sciences
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
256
68
0.266
* Last 6 Years Citation Counts Rankings
Rankings
379,749
Costa Rica
78
4
Ranking Based On Selection: 1
Clemens Ruepert
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,030
1,274
0.420
environmental chemistry
pesticides
analytical chemistry
emergent contaminants
occupacional hygiene
* Last 6 Years Citation Counts Rankings
Rankings
532,060
Costa Rica
125
5
Ranking Based On Selection: 2
Germain Esquivel Hernández
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
942
816
0.866
Environmental Analytical Chemistry
Stable Isotopes
Ecohydrology
* Last 6 Years Citation Counts Rankings
Rankings
683,241
Costa Rica
176
10
Ranking Based On Selection: 3
Victor Vasquez
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
616
538
0.873
* Last 6 Years Citation Counts Rankings
Rankings
764,095
Costa Rica
220
15
Ranking Based On Selection: 4
Alejandra Baldi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
515
435
0.845
Asphalt
materials science
adhesion
interfaces
* Last 6 Years Citation Counts Rankings
Rankings
941,029
Costa Rica
294
32
Ranking Based On Selection: 5
Erick Castellón
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
405
287
0.709
liquid crystals
sol-gel
optical materials
porous materials
* Last 6 Years Citation Counts Rankings
Rankings
1,040,736
Costa Rica
337
41
Ranking Based On Selection: 6
Julio Otarola
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
351
230
0.655
* Last 6 Years Citation Counts Rankings
Rankings
1,585,302
Costa Rica
706
100
Ranking Based On Selection: 7
Jairo García-Céspedes
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
256
68
0.266
Geochemistry
vulcanology
ecotoxicology
environmental sciences