Anidrido

Anhydride - any chemical compound derived (practically or just theoretically) from an acid or a base by elimination of one molecule of water (i.e. two atoms of hydrogen and one atom of oxygen). Article “Anidrido” in Portuguese Wikipedia has 37.9 points for quality (as of July 1, 2025). The article contains 2 references and 16 sections. The article also contains templates indicating quality issues, therefore its score was reduced by 1.99 points.

In this language version of Wikipedia the article has the best quality. However, the most popular language version of this article is Russian.

Since the creation of article “Anidrido”, its content was written by 27 registered users of Portuguese Wikipedia and edited by 318 registered Wikipedia users in all languages.

The article is cited 33 times in Portuguese Wikipedia and cited 1036 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Portuguese): #1049 in February 2005
• Global: #18991 in October 2003

The highest popularity rank from 2008:

• Local (Portuguese): #10830 in November 2008
• Global: #101575 in November 2008

There are 20 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2025 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

#	Language	Quality grade	Quality score
1	Portuguese (pt) Anidrido		37.8623
2	Arabic (ar) أنهيدريد		22.3023
3	Swedish (sv) Anhydrid		15.3709
4	German (de) Anhydride		14.2537
5	Finnish (fi) Anhydridit		13.6075
6	Estonian (et) Anhüdriidid		12.5548
7	Dutch (nl) Anhydride		12.0021
8	Italian (it) Anidride		11.3073
9	Esperanto (eo) Anhidrido		6.2009
10	Spanish (es) Anhidruro		5.8275

More...

The following table shows the most popular language versions of the article.

The most popular language versions of the article "Anidrido" in all the time

#	Language	Popularity award	Relative popularity
1	German (de) Anhydride		578 104
2	Russian (ru) Ангидрид		488 842
3	Italian (it) Anidride		395 263
4	Portuguese (pt) Anidrido		290 625
5	French (fr) Anhydride		141 370
6	Czech (cs) Anhydrid		108 319
7	Japanese (ja) 無水物		82 756
8	Dutch (nl) Anhydride		73 612
9	Ukrainian (uk) Ангідриди		52 691
10	Spanish (es) Anhidruro		52 416

More...

The following table shows the language versions of the article with the highest popularity in the last month.

The most popular language versions of the article "Anidrido" in June 2025

#	Language	Popularity award	Relative popularity
1	Russian (ru) Ангидрид		766
2	German (de) Anhydride		633
3	Italian (it) Anidride		318
4	Czech (cs) Anhydrid		217
5	Japanese (ja) 無水物		191
6	French (fr) Anhydride		133
7	Dutch (nl) Anhydride		113
8	Ukrainian (uk) Ангідриди		109
9	Portuguese (pt) Anidrido		92
10	Finnish (fi) Anhydridit		72

More...

The following table shows the language versions of the article with the highest Authors’ Interest.

Language versions of the article "Anidrido" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	German (de) Anhydride		43
2	Dutch (nl) Anhydride		33
3	Italian (it) Anidride		32
4	Russian (ru) Ангидрид		30
5	Portuguese (pt) Anidrido		27
6	French (fr) Anhydride		21
7	Hebrew (he) אנהידריד		21
8	Finnish (fi) Anhydridit		18
9	Spanish (es) Anhidruro		15
10	Czech (cs) Anhydrid		14

More...

The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

Language versions of the article "Anidrido" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	Arabic (ar) أنهيدريد		1
2	Belarusian (be) Ангідрыд		0
3	Czech (cs) Anhydrid		0
4	German (de) Anhydride		0
5	Esperanto (eo) Anhidrido		0
6	Spanish (es) Anhidruro		0
7	Estonian (et) Anhüdriidid		0
8	Finnish (fi) Anhydridit		0
9	French (fr) Anhydride		0
10	Hebrew (he) אנהידריד		0

More...

The following table shows the language versions of the article with the highest number of citations.

Language versions of the article "Anidrido" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	Russian (ru) Ангидрид		143
2	Italian (it) Anidride		132
3	German (de) Anhydride		111
4	Ukrainian (uk) Ангідриди		99
5	Hebrew (he) אנהידריד		82
6	Finnish (fi) Anhydridit		68
7	Dutch (nl) Anhydride		60
8	Czech (cs) Anhydrid		59
9	Japanese (ja) 無水物		58
10	French (fr) Anhydride		54

More...

#	Language	Value
ar	Arabic أنهيدريد
be	Belarusian Ангідрыд
cs	Czech Anhydrid
de	German Anhydride
eo	Esperanto Anhidrido
es	Spanish Anhidruro
et	Estonian Anhüdriidid
fi	Finnish Anhydridit
fr	French Anhydride
he	Hebrew אנהידריד
it	Italian Anidride
ja	Japanese 無水物
kk	Kazakh Ангидридтер
nl	Dutch Anhydride
pt	Portuguese Anidrido
ru	Russian Ангидрид
sh	Serbo-Croatian Anhidrid
sr	Serbian Анхидрид
sv	Swedish Anhydrid
uk	Ukrainian Ангідриди

Best Rank

Portuguese: #10830 11.2008

Global: #101575 11.2008

Best Rank

Portuguese: #1049 02.2005

Global: #18991 10.2003

On 15 February 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: Jeffrey Epstein, Wuthering Heights, 2026 Winter Olympics, Epstein files, Ilia Malinin, Wuthering Heights, Ghislaine Maxwell, Lucas Pinheiro Braathen, 2026 Winter Olympics medal table, Valentine's Day.

In Portuguese Wikipedia the most popular articles on that day were: Lucas Pinheiro Braathen, Jeffrey Epstein, Isadora Cruz, Shawn Mendes, Maria Quitéria, Arquivos de Epstein, Dia dos Namorados, Léa Garcia, Margaret Thatcher, Trace Brasil.

The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information