Journal profile
Colloquium Exactarum
ISSN 2178-8332 · Universidade do Oeste Paulista · Brazil
Colloquium Exactarum: diamond open access (no APC); no APC; review about 12 weeks (community reports); 8 articles in 2025.
Scope
Aims, scope and focus
Colloquium Exactarum is published by Universidade do Oeste Paulista. By OpenAlex counts of its recent articles, its largest topics are Geography and Environmental Studies, Water Quality and Pollution Assessment and Water Quality and Resources Studies, together about 22.2% of its articles. Its main subfields are Water Science and Technology. (generated from OpenAlex topic counts and CAS ranking data)
Colloquium Exactarum is a scientific journal published by the University of Oeste Paulista (UNOESTE), whose objective is to disseminate scientific works in the areas of Exact Sciences and Engineering, serving the academic community of several national and international institutions. The Colloquium Exactarum is indexed in national and international journals bases, and linked to CrossRef, with the number of digital object identifiers (DOI) and Qualis CAPES. See the Classification of Journals of Capes - Qualis (Select the qualification event: Classification of Journals Quadriênio 2013-2016 and Indicate the ISSN of the journal: 2178-8332) The Colloquium Exactarum is a quarterly publication in electronic version (online ISSN: 2178-8332), complete with free access, available on the UNOESTE website (http://revistas.unoeste.br/ ce / index), where articles are also submitted. There are no costs for authors for the evaluation and publication processes. The title Colloquium Exactarum, or the abbreviation Colloq Exactarum, must be used in bibliographies, footnotes, references and bibliographic strips. Colloquium Exactarum upholds the precepts of scientific and ethical integrity in publications.
From the journal's Aims & Scope
Main research topics OpenAlex counts of recent articles; shares are approximate
- Geography and Environmental StudiesEnvironmental Science7.9%
- Water Quality and Pollution AssessmentEnvironmental Science7.2%
- Water Quality and Resources StudiesEnvironmental Science7%
- Management and Optimization TechniquesBusiness, Management and Accounting6.5%
- Municipal Solid Waste ManagementEnvironmental Science5.6%
- Mathematics Education and Teaching TechniquesSocial Sciences4.7%
- Environmental and Analytical Chemistry StudiesEnvironmental Science4.7%
- Mathematics and ApplicationsMathematics4.2%
Rankings & indexing
CAS ranking and database indexing
CAS Journal Ranking
CAS Journal Ranking, upgraded edition (March 2025)Not covered
Not covered by this edition.
CAS Xinrui Journal Ranking (March 2026)Not covered
Not covered by this edition.
CAS Journal Ranking, previous upgraded edition (December 2023)Not covered
Not covered by this edition.
Database indexing
DOAJLetPub
International journal early-warning lists: not listed in any editionLetPub
Indexing the journal's website claims
CrossrefPublisher website
As the journal's website lists them, not checked against each database; for Web of Science editions the records above apply.
Editions, and major and minor categories, are shown separately and never merged into one zone; check which edition your institution uses before you submit or report.
Metrics
Impact metrics and publication volume
Impact
- h-index
- 5OpenAlex ·
- i10-index
- 2OpenAlex ·
- 2-year mean citedness
- 0.09OpenAlex ·
- Share of gold OA articles
- 0%LetPub ·
Articles by year OpenAlex count · 655 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 7 | 7 | 24 |
| 2025 | 8 | 8 | 26 |
| 2024 | 17 | 17 | 23 |
| 2023 | 30 | 30 | 41 |
| 2022 | 9 | 9 | 21 |
| 2021 | 63 | 63 | 29 |
Sources count differently and were observed at different times, so each source's own value is kept; "publisher" marks figures from the journal's website.
Review & acceptance
Review time and acceptance
- Average review time (community reports)
- about 12 weeksLetPub ·
- Submission to publication (journal-reported)
- about 12 weeksDOAJ ·
- Peer review
- Single anonymous peer reviewDOAJ
Community reports come from authors' own submissions (confidence 0.5) and are not a promise from the journal; for publisher figures, the journal's own definitions apply.
Fees & open access
APC and open-access policy
Diamond open access (no APC)DOAJ
Every article is open access and authors pay no article processing charge.
| Source | APC | Fee waiver | License | Observed |
|---|---|---|---|---|
| DOAJ | No APC | No | CC BY-NC-ND | |
| LetPub | No APC | No | — |
The journal's website is authoritative for fees; sources were observed at different times and each keeps its own value, without averaging.
Profile
Publication details and official links
- Publisher
- Universidade do Oeste Paulista
- Country or region
- Brazil
- Language
- Portuguese
- ISSN
- 2178-8332
- Latest issue on the website
- Volume 18, Issue 1 (2026)
- Official links
- Journal homepage ↗LetPub
- Author guidelines ↗LetPub
- Aims & Scope ↗LetPub
- APC information ↗DOAJ
- Open access statement ↗DOAJ
- License & copyright ↗DOAJ
- Peer review process ↗LetPub
- Editorial board ↗LetPub
FAQ
Frequently asked questions about Colloquium Exactarum
How long does peer review take at Colloquium Exactarum?
Authors report an average review time of about 12 weeks. Article statistics cover accepted papers only, publisher figures follow the journal's own definitions, and community reports come from authors' own submissions; none is a promise from the journal.
Which databases index Colloquium Exactarum?
According to LetPub and DOAJ records, Colloquium Exactarum is indexed in DOAJ.
Is Colloquium Exactarum open access, and what is the APC?
Colloquium Exactarum is a diamond open-access journal (no APC). It charges no article processing charge.
Sources and updates
The facts on this page come from LetPub, OpenAlex, DOAJ, Publisher website; every figure is tagged with its source and the date it was observed, and conflicting values are kept per source. LetPub source page: view ↗ (archived 2026-08-26). Last updated: .