PBT-Stoff

de

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PBT-Stoff

Quality:

Persistent, bioaccumulative and toxic substance - class of chemical compounds. Article “PBT-Stoff” in German Wikipedia has 26.9 points for quality (as of July 1, 2026). The article contains 4 references and 5 sections.

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

Since the creation of article “PBT-Stoff”, its content was written by 6 registered users of German Wikipedia and edited by 78 registered Wikipedia users in all languages.

The article is cited 92 times in German Wikipedia and cited 166 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (German): #9473 in June 2022
  • Global: #227455 in May 2005

The highest popularity rank from 2008:

  • Local (German): #170157 in April 2021
  • Global: #779953 in November 2017

There are 6 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, 2026 (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)
Persistent, bioaccumulative and toxic substances
54.715
2German (de)
PBT-Stoff
26.8751
3French (fr)
Substance persistante, bioaccumulable et toxique
20.847
4Persian (fa)
مواد پایدار زیست‌تجمع‌پذیر و سمی
14.5014
5Dutch (nl)
PBT- en zPzB-stoffen
2.3781
6Hungarian (hu)
PBT
1.1275
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 "PBT-Stoff" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Persistent, bioaccumulative and toxic substances
121 246
2German (de)
PBT-Stoff
68 022
3Dutch (nl)
PBT- en zPzB-stoffen
26 076
4French (fr)
Substance persistante, bioaccumulable et toxique
14 589
5Hungarian (hu)
PBT
5 985
6Persian (fa)
مواد پایدار زیست‌تجمع‌پذیر و سمی
38
More...

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

Most popular in June 2026

The most popular language versions of the article "PBT-Stoff" in June 2026
#LanguagePopularity awardRelative popularity
1English (en)
Persistent, bioaccumulative and toxic substances
430
2German (de)
PBT-Stoff
188
3French (fr)
Substance persistante, bioaccumulable et toxique
35
4Dutch (nl)
PBT- en zPzB-stoffen
19
5Hungarian (hu)
PBT
10
6Persian (fa)
مواد پایدار زیست‌تجمع‌پذیر و سمی
2
More...

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

The highest AI

Language versions of the article "PBT-Stoff" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Persistent, bioaccumulative and toxic substances
36
2French (fr)
Substance persistante, bioaccumulable et toxique
16
3Dutch (nl)
PBT- en zPzB-stoffen
15
4German (de)
PBT-Stoff
6
5Hungarian (hu)
PBT
4
6Persian (fa)
مواد پایدار زیست‌تجمع‌پذیر و سمی
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 2026

Language versions of the article "PBT-Stoff" with the highest AI in June 2026
#LanguageAI awardRelative AI
1English (en)
Persistent, bioaccumulative and toxic substances
2
2German (de)
PBT-Stoff
0
3Persian (fa)
مواد پایدار زیست‌تجمع‌پذیر و سمی
0
4French (fr)
Substance persistante, bioaccumulable et toxique
0
5Hungarian (hu)
PBT
0
6Dutch (nl)
PBT- en zPzB-stoffen
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 "PBT-Stoff" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1German (de)
PBT-Stoff
92
2English (en)
Persistent, bioaccumulative and toxic substances
43
3Dutch (nl)
PBT- en zPzB-stoffen
14
4French (fr)
Substance persistante, bioaccumulable et toxique
10
5Hungarian (hu)
PBT
6
6Persian (fa)
مواد پایدار زیست‌تجمع‌پذیر و سمی
1
More...

Scores

Estimated value for Wikipedia:
German:
Global:
Popularity in June 2026:
German:
Global:
Popularity in all years:
German:
Global:
Authors in June 2026:
German:
Global:
Registered authors in all years:
German:
Global:
Citations:
German:
Global:

Quality measures

Interwikis

#LanguageValue
deGerman
PBT-Stoff
enEnglish
Persistent, bioaccumulative and toxic substances
faPersian
مواد پایدار زیست‌تجمع‌پذیر و سمی
frFrench
Substance persistante, bioaccumulable et toxique
huHungarian
PBT
nlDutch
PBT- en zPzB-stoffen

Popularity rank trends

Best Rank German:
#170157
04.2021
Global:
#779953
11.2017

AI rank trends

Best Rank German:
#9473
06.2022
Global:
#227455
05.2005

Local AI rank history

Languages comparison

Important global interconnections (July 2025 – June 2026)

Wikipedia readers most often find their way to information on Persistent, bioaccumulative and toxic substance from Wikipedia articles about Octamethylcyclotetrasiloxane, Polytetrafluoroethylene, Cyclomethicone 5, Perfluorooctanoic acid and Persistent organic pollutant. Whereas reading the article about Persistent, bioaccumulative and toxic substance people most often go to Wikipedia articles on Persistent organic pollutant, VPvB substance, Polychlorinated biphenyl, Substance of very high concern and Registration, Evaluation, Authorisation and Restriction of Chemicals.

Cumulative results of quality and popularity of the Wikipedia article

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

hu: PBT

News from 1 July 2026

On 1 July 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 2026 FIFA World Cup, Kylian Mbappé, Erling Haaland, Democratic Republic of the Congo, FIFA World Cup, Harry Kane, Romelu Lukaku, Senegal, Michael Olise, Sadio Mané.

In German Wikipedia the most popular articles on that day were: Demokratische Republik Kongo, Fußball-Weltmeisterschaft 2026, Senegal, Julian Nagelsmann, Erling Haaland, Sadio Mané, Fußball-Weltmeisterschaft 1994, Jürgen Klopp, Fußball-Europameisterschaft 2028, Fußball-Weltmeisterschaft.

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 50 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2026. When calculating current popularity and AI of articles data from June 2026 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2026... More information