Acid dissociation constant

Quality:

Acid dissociation constant - equilibrium constant as a measure of acid strength in solution. Article “Acid dissociation constant” in Simple English Wikipedia has 14.4 points for quality (as of July 1, 2025). The article contains 2 references and 2 sections.

This article has the best quality in Greek Wikipedia. However, the most popular language version of this article is English.

Since the creation of article “Acid dissociation constant”, its content was written by 2 registered users of Simple English Wikipedia and edited by 952 registered Wikipedia users in all languages.

The article is cited 60 times in Simple English Wikipedia and cited 11307 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Simple English): #1512 in January 2025
• Global: #9244 in June 2002

The highest popularity rank from 2008:

• Local (Simple English): #24236 in May 2025
• Global: #8207 in March 2010

There are 39 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	Greek (el) Σταθερά διάστασης οξέος		88.0237
2	English (en) Acid dissociation constant		87.257
3	Hungarian (hu) Savi disszociációs állandó		82.6772
4	Galician (gl) Constante de disociación de ácido		82.3882
5	Spanish (es) Constante de disociación ácida		76.78
6	Estonian (et) Happe dissotsiatsioonikonstant		48.904
7	Indonesian (id) Konstanta disosiasi asam		46.0372
8	German (de) Säurekonstante		43.4837
9	Slovak (sk) Disociačná konštanta kyseliny		29.5348
10	Hebrew (he) קבוע דיסוציאציה של חומצה		28.9359

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

#	Language	Popularity award	Relative popularity
1	English (en) Acid dissociation constant		8 161 079
2	German (de) Säurekonstante		3 085 469
3	Spanish (es) Constante de disociación ácida		2 025 918
4	Japanese (ja) 酸解離定数		1 619 515
5	Chinese (zh) 酸度系数		883 572
6	Italian (it) Costante di dissociazione acida		645 037
7	French (fr) Constante d'acidité		610 876
8	Portuguese (pt) Constante de acidez		432 610
9	Russian (ru) Константа диссоциации кислоты		426 352
10	Dutch (nl) Zuurconstante		352 135

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

#	Language	Popularity award	Relative popularity
1	English (en) Acid dissociation constant		11 877
2	German (de) Säurekonstante		3 633
3	Japanese (ja) 酸解離定数		2 638
4	Chinese (zh) 酸度系数		2 431
5	French (fr) Constante d'acidité		1 599
6	Russian (ru) Константа диссоциации кислоты		1 567
7	Spanish (es) Constante de disociación ácida		1 073
8	Korean (ko) 산 해리 상수		683
9	Italian (it) Costante di dissociazione acida		479
10	Vietnamese (vi) Hằng số điện ly acid		443

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

#	Language	AI award	Relative AI
1	English (en) Acid dissociation constant		303
2	German (de) Säurekonstante		145
3	Spanish (es) Constante de disociación ácida		63
4	Chinese (zh) 酸度系数		43
5	Italian (it) Costante di dissociazione acida		29
6	Portuguese (pt) Constante de acidez		27
7	Japanese (ja) 酸解離定数		26
8	French (fr) Constante d'acidité		24
9	Russian (ru) Константа диссоциации кислоты		24
10	Dutch (nl) Zuurconstante		23

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

#	Language	AI award	Relative AI
1	English (en) Acid dissociation constant		1
2	Arabic (ar) ثابت تفكك الحمض		0
3	Bulgarian (bg) Константа на киселинна дисоциация		0
4	Catalan (ca) Constant d'acidesa		0
5	Danish (da) Syrestyrkekonstant		0
6	German (de) Säurekonstante		0
7	Greek (el) Σταθερά διάστασης οξέος		0
8	Esperanto (eo) Konstanto pri dissociigo de acidoj		0
9	Spanish (es) Constante de disociación ácida		0
10	Estonian (et) Happe dissotsiatsioonikonstant		0

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

On 28 January 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 2025–26 UEFA Champions League, Nipah virus, Doomsday Clock, UEFA Champions League, Elena Rybakina, Donald Trump, 2026 European Men's Handball Championship, killing of Alex Pretti, Kristi Noem, deaths in 2026.

In Simple English Wikipedia the most popular articles on that day were: List of European countries, Black, Pornhub, XXXTentacion, XVideos, List of people who have walked on the Moon, Manon Bannerman, Ajit Pawar, List of U.S. states, List of sex positions.

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