Acidity function

en

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Acidity function

Quality:

Acidity function - measure of acidity of a solvent system. Article "Acidity function" in English Wikipedia has 20.9 points for quality (as of July 1, 2025). The article contains 7 references and 2 sections.

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

Since the creation of article "Acidity function", its content was written by 17 registered users of English Wikipedia and edited by 69 registered Wikipedia users in all languages.

The article is cited 37 times in English Wikipedia and cited 244 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (English): #203963 in January 2009
  • Global: #137952 in January 2022

The highest popularity rank from 2008:

  • Local (English): #430692 in January 2008
  • Global: #453308 in November 2009

There are 10 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.

Languages with the highest quality

#LanguageQuality gradeQuality score
1Estonian (et)
Keskkonna happelisus
67.855
2Persian (fa)
تابع اسیدی
23.3655
3Italian (it)
Funzione di acidità
22.8305
4Serbian (sr)
Funkcija kiselosti
22.0576
5English (en)
Acidity function
20.9121
6Spanish (es)
Función de acidez
19.92
7French (fr)
Fonction d'acidité
14.6658
8Japanese (ja)
酸度関数
10.4068
9Ukrainian (uk)
Функція кислотності
10.0239
10Portuguese (pt)
Acidez (função)
4.4814
More...

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

Most popular in all the time

The most popular language versions of the article "Acidity function" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Acidity function
139 062
2Japanese (ja)
酸度関数
115 591
3Portuguese (pt)
Acidez (função)
25 287
4Italian (it)
Funzione di acidità
21 973
5Estonian (et)
Keskkonna happelisus
9 786
6Spanish (es)
Función de acidez
8 925
7Persian (fa)
تابع اسیدی
2 864
8Ukrainian (uk)
Функція кислотності
1 147
9French (fr)
Fonction d'acidité
964
10Serbian (sr)
Funkcija kiselosti
696
More...

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

Most popular in June 2025

The most popular language versions of the article "Acidity function" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Acidity function
473
2Japanese (ja)
酸度関数
235
3Spanish (es)
Función de acidez
42
4Portuguese (pt)
Acidez (função)
37
5French (fr)
Fonction d'acidité
16
6Ukrainian (uk)
Функція кислотності
14
7Persian (fa)
تابع اسیدی
10
8Italian (it)
Funzione di acidità
9
9Serbian (sr)
Funkcija kiselosti
6
10Estonian (et)
Keskkonna happelisus
5
More...

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

The highest AI

Language versions of the article "Acidity function" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1Italian (it)
Funzione di acidità
19
2English (en)
Acidity function
17
3Portuguese (pt)
Acidez (função)
9
4Japanese (ja)
酸度関数
7
5Estonian (et)
Keskkonna happelisus
6
6French (fr)
Fonction d'acidité
5
7Serbian (sr)
Funkcija kiselosti
3
8Spanish (es)
Función de acidez
1
9Persian (fa)
تابع اسیدی
1
10Ukrainian (uk)
Функція кислотності
1
More...

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

The highest AI in June 2025

Language versions of the article "Acidity function" with the highest AI in June 2025
#LanguageAI awardRelative AI
1English (en)
Acidity function
0
2Spanish (es)
Función de acidez
0
3Estonian (et)
Keskkonna happelisus
0
4Persian (fa)
تابع اسیدی
0
5French (fr)
Fonction d'acidité
0
6Italian (it)
Funzione di acidità
0
7Japanese (ja)
酸度関数
0
8Portuguese (pt)
Acidez (função)
0
9Serbian (sr)
Funkcija kiselosti
0
10Ukrainian (uk)
Функція кислотності
0
More...

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

The highest CI

Language versions of the article "Acidity function" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1French (fr)
Fonction d'acidité
45
2English (en)
Acidity function
37
3Japanese (ja)
酸度関数
30
4Portuguese (pt)
Acidez (função)
30
5Persian (fa)
تابع اسیدی
26
6Spanish (es)
Función de acidez
25
7Italian (it)
Funzione di acidità
22
8Serbian (sr)
Funkcija kiselosti
17
9Ukrainian (uk)
Функція кислотності
7
10Estonian (et)
Keskkonna happelisus
5
More...

Scores

Estimated value for Wikipedia:
English:
Global:
Popularity in June 2025:
English:
Global:
Popularity in all years:
English:
Global:
Authors in June 2025:
English:
Global:
Registered authors in all years:
English:
Global:
Citations:
English:
Global:

Quality measures

Interwikis

#LanguageValue
enEnglish
Acidity function
esSpanish
Función de acidez
etEstonian
Keskkonna happelisus
faPersian
تابع اسیدی
frFrench
Fonction d'acidité
itItalian
Funzione di acidità
jaJapanese
酸度関数
ptPortuguese
Acidez (função)
srSerbian
Funkcija kiselosti
ukUkrainian
Функція кислотності

Popularity rank trends

Best Rank English:
#430692
01.2008
Global:
#453308
11.2009

AI rank trends

Best Rank English:
#203963
01.2009
Global:
#137952
01.2022

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Acidity function from Wikipedia articles about PH, Hammett acidity function, Superacid, Triflic acid and Fluorosulfonic acid. Whereas reading the article about Acidity function people most often go to Wikipedia articles on Superacid, Leveling effect, Fluorosulfonic acid, PH and Hammett acidity function.

Cumulative results of quality and popularity of the Wikipedia article

List of Wikipedia articles in different languages (starting with the most popular):

News from 12 August 2025

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In English Wikipedia the most popular articles on that day were: Weapons (2025 film), Danielle Spencer (American actress), Cristiano Ronaldo, Deaths in 2025, Taylor Swift, Wednesday (TV series), Superman (2025 film), Georgina Rodríguez, Coolie (2025 film), The Fantastic Four: First Steps.

About WikiRank

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