PFOS

cs

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PFOS

Quality:

Perfluorooctanesulfonic acid - chemical compound. Article “PFOS” in Czech Wikipedia has 15.1 points for quality (as of July 1, 2025). The article contains 3 references and 4 sections.

This article has the best quality in English Wikipedia. Also, this article is the most popular in that (Czech) language version.

Since the creation of article “PFOS”, its content was written by 10 registered users of Czech Wikipedia and edited by 360 registered Wikipedia users in all languages.

The article is cited 12 times in Czech Wikipedia and cited 1205 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (Czech): #3797 in April 2010
  • Global: #29995 in June 2021

The highest popularity rank from 2008:

  • Local (Czech): #29338 in May 2009
  • Global: #51425 in June 2021

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.

Languages with the highest quality

#LanguageQuality gradeQuality score
1English (en)
Perfluorooctanesulfonic acid
73.7554
2German (de)
Perfluoroctansulfonsäure
70.687
3Swedish (sv)
Perfluoroktansulfonsyra
45.151
4Dutch (nl)
Perfluoroctaansulfonzuur
41.2866
5Italian (it)
Acido perfluoroottansolfonico
35.3885
6Japanese (ja)
ペルフルオロオクタンスルホン酸
33.3581
7Serbo-Croatian (sh)
Perfluorooktansulfonska kiselina
32.1278
8Basque (eu)
Azido perfluorooktanosulfoniko
28.0113
9Slovak (sk)
PFOS
27.2982
10Arabic (ar)
حمض بيرفلوروأوكتان السلفونيك
27.0723
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 "PFOS" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Perfluorooctanesulfonic acid
1 056 348
2Japanese (ja)
ペルフルオロオクタンスルホン酸
331 076
3German (de)
Perfluoroctansulfonsäure
212 735
4Italian (it)
Acido perfluoroottansolfonico
145 441
5Swedish (sv)
Perfluoroktansulfonsyra
63 333
6French (fr)
Acide perfluorooctanesulfonique
45 671
7Dutch (nl)
Perfluoroctaansulfonzuur
40 494
8Chinese (zh)
全氟辛烷磺酸
36 023
9Russian (ru)
Перфтороктансульфоновая кислота
29 135
10Portuguese (pt)
Ácido perfluoro-octanossulfônico
15 929
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 "PFOS" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Perfluorooctanesulfonic acid
4 869
2Japanese (ja)
ペルフルオロオクタンスルホン酸
1 117
3German (de)
Perfluoroctansulfonsäure
828
4French (fr)
Acide perfluorooctanesulfonique
480
5Dutch (nl)
Perfluoroctaansulfonzuur
387
6Chinese (zh)
全氟辛烷磺酸
365
7Italian (it)
Acido perfluoroottansolfonico
363
8Russian (ru)
Перфтороктансульфоновая кислота
331
9Swedish (sv)
Perfluoroktansulfonsyra
174
10Korean (ko)
과불화옥탄술폰산
155
More...

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

The highest AI

Language versions of the article "PFOS" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Perfluorooctanesulfonic acid
114
2German (de)
Perfluoroctansulfonsäure
83
3Japanese (ja)
ペルフルオロオクタンスルホン酸
26
4Italian (it)
Acido perfluoroottansolfonico
19
5Swedish (sv)
Perfluoroktansulfonsyra
19
6Dutch (nl)
Perfluoroctaansulfonzuur
18
7Norwegian (no)
Perfluoroktylsulfonat
16
8French (fr)
Acide perfluorooctanesulfonique
12
9Czech (cs)
PFOS
10
10Russian (ru)
Перфтороктансульфоновая кислота
7
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 "PFOS" with the highest AI in June 2025
#LanguageAI awardRelative AI
1English (en)
Perfluorooctanesulfonic acid
1
2French (fr)
Acide perfluorooctanesulfonique
1
3Arabic (ar)
حمض بيرفلوروأوكتان السلفونيك
0
4Catalan (ca)
Àcid perfluorooctanosulfònic
0
5Czech (cs)
PFOS
0
6German (de)
Perfluoroctansulfonsäure
0
7Basque (eu)
Azido perfluorooktanosulfoniko
0
8Persian (fa)
پرفلوئورواکتان‌سولفونیک اسید
0
9Italian (it)
Acido perfluoroottansolfonico
0
10Japanese (ja)
ペルフルオロオクタンスルホン酸
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 "PFOS" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1Italian (it)
Acido perfluoroottansolfonico
387
2Japanese (ja)
ペルフルオロオクタンスルホン酸
329
3English (en)
Perfluorooctanesulfonic acid
144
4German (de)
Perfluoroctansulfonsäure
87
5French (fr)
Acide perfluorooctanesulfonique
77
6Chinese (zh)
全氟辛烷磺酸
35
7Swedish (sv)
Perfluoroktansulfonsyra
29
8Persian (fa)
پرفلوئورواکتان‌سولفونیک اسید
22
9Dutch (nl)
Perfluoroctaansulfonzuur
19
10Czech (cs)
PFOS
12
More...

Scores

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

Quality measures

Interwikis

#LanguageValue
arArabic
حمض بيرفلوروأوكتان السلفونيك
caCatalan
Àcid perfluorooctanosulfònic
csCzech
PFOS
deGerman
Perfluoroctansulfonsäure
enEnglish
Perfluorooctanesulfonic acid
euBasque
Azido perfluorooktanosulfoniko
faPersian
پرفلوئورواکتان‌سولفونیک اسید
frFrench
Acide perfluorooctanesulfonique
itItalian
Acido perfluoroottansolfonico
jaJapanese
ペルフルオロオクタンスルホン酸
koKorean
과불화옥탄술폰산
nlDutch
Perfluoroctaansulfonzuur
noNorwegian
Perfluoroktylsulfonat
ptPortuguese
Ácido perfluoro-octanossulfônico
ruRussian
Перфтороктансульфоновая кислота
shSerbo-Croatian
Perfluorooktansulfonska kiselina
skSlovak
PFOS
srSerbian
Perfluorooktansulfonska kiselina
svSwedish
Perfluoroktansulfonsyra
zhChinese
全氟辛烷磺酸

Popularity rank trends

Best Rank Czech:
#29338
05.2009
Global:
#51425
06.2021

AI rank trends

Best Rank Czech:
#3797
04.2010
Global:
#29995
06.2021

Local AI rank history

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Perfluorooctanesulfonic acid from Wikipedia articles about Per- and polyfluoroalkyl substances, Perfluorooctanoic acid, Robert Bilott, Persistent organic pollutant and Polytetrafluoroethylene. Whereas reading the article about Perfluorooctanesulfonic acid people most often go to Wikipedia articles on Perfluorooctanoic acid, Scotchgard, Per- and polyfluoroalkyl substances, 3M and Stockholm Convention on Persistent Organic Pollutants.

Cumulative results of quality and popularity of the Wikipedia article

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

cs: PFOS
sk: PFOS

News from 12 August 2025

On 12 August 2025 in multilingual Wikipedia, Internet users most often read articles on the following topics: Cristiano Ronaldo, Wednesday, Georgina Rodríguez, ChatGPT, Weapons, Jenna Ortega, deaths in 2025, Taylor Swift, Miguel Uribe Turbay, 2025–26 UEFA Champions League.

In Czech Wikipedia the most popular articles on that day were: RSS, János Hunyadi, Margita Balaštíková, Alžběta Lucemburská, ISO 8859-2, Trosečník (film, 2000), Vladislav Jagellonský, Elton John, Jan Jakob, Jitka Molavcová.

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