Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Chemistry
SubField 1:
Analytical Chemistry
SubField 2:
Toxicology
Rank in SubField 1: 2,016 out of 129,614 Researchers
Data For The Year: 2025
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 242,663 | 245,583 |
| Total Cites | 4,502 | 5,313 |
| H-index | 37 | 42 |
| Hm-index | 16 | 18 |
| Number of Single Authored Papers | 3 | 3 |
| Total Cites to Single Authored Papers | 8 | 8 |
| Number of Single+First Authored Papers | 19 | 19 |
| Total Cites to Single+First Authored Papers | 899 | 984 |
| Number of Single+First+Last Authored Papers | 33 | 33 |
| Total Cites to Single+First+Last Authored Papers | 1,260 | 1,382 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 3,340 | 3,670 |
| Ratio of Total Citations to Distinct Citing Papers | 1.35 | 1.45 |
| Self-Citation Percentage |
15.26%
|
|
Sperling, Michael
European Virtual Institute for Speciation Analysis (EVISA),
Germany
2024 Rank: 233,130
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Chemistry
SubField 1:
Analytical Chemistry
SubField 2:
Toxicology
Rank in SubField 1: 1,938 out of 122,576 Researchers
Data For The Year: 2024
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 233,130 | 242,022 |
| Total Cites | 4,254 | 5,016 |
| H-index | 36 | 41 |
| Hm-index | 16 | 17 |
| Number of Single Authored Papers | 3 | 3 |
| Total Cites to Single Authored Papers | 7 | 7 |
| Number of Single+First Authored Papers | 19 | 19 |
| Total Cites to Single+First Authored Papers | 884 | 959 |
| Number of Single+First+Last Authored Papers | 33 | 33 |
| Total Cites to Single+First+Last Authored Papers | 1,246 | 1,366 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 3,151 | 3,474 |
| Ratio of Total Citations to Distinct Citing Papers | 1.35 | 1.44 |
| Self-Citation Percentage |
15.19%
|
|
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Chemistry
SubField 1:
Analytical Chemistry
SubField 2:
Toxicology
Rank in SubField 1: 2,004 out of 115,145 Researchers
Data For The Year: 2023
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 235,829 | 241,046 |
| Total Cites | 4,014 | 4,729 |
| H-index | 35 | 40 |
| Hm-index | 16 | 17 |
| Number of Single Authored Papers | 2 | 2 |
| Total Cites to Single Authored Papers | 5 | 5 |
| Number of Single+First Authored Papers | 18 | 18 |
| Total Cites to Single+First Authored Papers | 863 | 938 |
| Number of Single+First+Last Authored Papers | 32 | 32 |
| Total Cites to Single+First+Last Authored Papers | 1,220 | 1,340 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 2,956 | 3,254 |
| Ratio of Total Citations to Distinct Citing Papers | 1.36 | 1.45 |
| Self-Citation Percentage |
15.12%
|
|
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Chemistry
SubField 1:
Analytical Chemistry
SubField 2:
Toxicology
Rank in SubField 1: 1,963 out of 107,126 Researchers
Data For The Year: 2022
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 229,264 | 233,565 |
| Total Cites | 3,690 | 4,321 |
| H-index | 33 | 37 |
| Hm-index | 15 | 16 |
| Number of Single Authored Papers | 2 | 2 |
| Total Cites to Single Authored Papers | 5 | 5 |
| Number of Single+First Authored Papers | 17 | 17 |
| Total Cites to Single+First Authored Papers | 852 | 927 |
| Number of Single+First+Last Authored Papers | 31 | 31 |
| Total Cites to Single+First+Last Authored Papers | 1,203 | 1,322 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 2,713 | 2,974 |
| Ratio of Total Citations to Distinct Citing Papers | 1.36 | 1.45 |
| Self-Citation Percentage |
14.60%
|
|
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Chemistry
SubField 1:
Analytical Chemistry
SubField 2:
Toxicology
Rank in SubField 1: 1,981 out of 102,767 Researchers
Data For The Year: 2021
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 231,041 | 236,169 |
| Total Cites | 3,536 | 4,135 |
| H-index | 32 | 36 |
| Hm-index | 15 | 16 |
| Number of Single Authored Papers | 2 | 2 |
| Total Cites to Single Authored Papers | 4 | 4 |
| Number of Single+First Authored Papers | 17 | 17 |
| Total Cites to Single+First Authored Papers | 828 | 900 |
| Number of Single+First+Last Authored Papers | 31 | 31 |
| Total Cites to Single+First+Last Authored Papers | 1,171 | 1,288 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 2,599 | 2,852 |
| Ratio of Total Citations to Distinct Citing Papers | 1.36 | 1.45 |
| Self-Citation Percentage |
14.49%
|
|
Related Profiles
Top 2% Scientists by Country
236,132 scientists from 167 countries on the 2025 single-year list.
Germany10,666 scientists, 4th in the world
Featured Profiles
Partner with TOPSCINET
Reach science enthusiasts and researchers across the site. Write to business@topscinet.com and our marketing team will send a proposal built around your banner ad goals.