Ftalanhydrid

cs

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Ftalanhydrid

Quality:

Phthalic anhydride - chemical compound. Article “Ftalanhydrid” in Czech Wikipedia has 19 points for quality (as of July 1, 2025). The article contains 2 references and 5 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 “Ftalanhydrid”, its content was written by 8 registered users of Czech Wikipedia and edited by 410 registered Wikipedia users in all languages.

The article is cited 14 times in Czech Wikipedia and cited 711 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (Czech): #8853 in May 2021
  • Global: #16266 in February 2005

The highest popularity rank from 2008:

  • Local (Czech): #32463 in January 2011
  • Global: #109292 in April 2013

There are 32 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)
Phthalic anhydride
63.3152
2Esperanto (eo)
Ftalata anhidrido
61.415
3German (de)
Phthalsäureanhydrid
46.8116
4Polish (pl)
Bezwodnik ftalowy
39.6378
5Italian (it)
Anidride ftalica
38.005
6Indonesian (id)
Ftalat anhidrida
34.8254
7Hungarian (hu)
Ftálsav-anhidrid
32.0108
8Korean (ko)
무수 프탈산
30.3109
9Chinese (zh)
邻苯二甲酸酐
29.8669
10Arabic (ar)
أنهيدريد الفثاليك
29.6362
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 "Ftalanhydrid" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Phthalic anhydride
1 111 730
2German (de)
Phthalsäureanhydrid
311 373
3Japanese (ja)
無水フタル酸
253 956
4Russian (ru)
Фталевый ангидрид
230 415
5Spanish (es)
Anhídrido ftálico
126 751
6Chinese (zh)
邻苯二甲酸酐
111 717
7Polish (pl)
Bezwodnik ftalowy
96 675
8French (fr)
Anhydride phtalique
68 354
9Portuguese (pt)
Anidrido ftálico
65 569
10Italian (it)
Anidride ftalica
65 473
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 "Ftalanhydrid" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Phthalic anhydride
2 775
2German (de)
Phthalsäureanhydrid
711
3Japanese (ja)
無水フタル酸
700
4Russian (ru)
Фталевый ангидрид
664
5Chinese (zh)
邻苯二甲酸酐
389
6French (fr)
Anhydride phtalique
183
7Korean (ko)
무수 프탈산
164
8Spanish (es)
Anhídrido ftálico
150
9Polish (pl)
Bezwodnik ftalowy
145
10Italian (it)
Anidride ftalica
143
More...

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

The highest AI

Language versions of the article "Ftalanhydrid" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Phthalic anhydride
92
2German (de)
Phthalsäureanhydrid
57
3Italian (it)
Anidride ftalica
40
4French (fr)
Anhydride phtalique
25
5Russian (ru)
Фталевый ангидрид
25
6Polish (pl)
Bezwodnik ftalowy
21
7Hungarian (hu)
Ftálsav-anhidrid
14
8Japanese (ja)
無水フタル酸
12
9Chinese (zh)
邻苯二甲酸酐
12
10Spanish (es)
Anhídrido ftálico
11
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 "Ftalanhydrid" with the highest AI in June 2025
#LanguageAI awardRelative AI
1Polish (pl)
Bezwodnik ftalowy
1
2Russian (ru)
Фталевый ангидрид
1
3Arabic (ar)
أنهيدريد الفثاليك
0
4Azerbaijani (az)
Ftal anhidridi
0
5Catalan (ca)
Anhídrid ftàlic
0
6Czech (cs)
Ftalanhydrid
0
7German (de)
Phthalsäureanhydrid
0
8Greek (el)
Φθαλικός ανυδρίτης
0
9English (en)
Phthalic anhydride
0
10Esperanto (eo)
Ftalata anhidrido
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 "Ftalanhydrid" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1German (de)
Phthalsäureanhydrid
104
2English (en)
Phthalic anhydride
95
3Chinese (zh)
邻苯二甲酸酐
60
4French (fr)
Anhydride phtalique
38
5Japanese (ja)
無水フタル酸
34
6Russian (ru)
Фталевый ангидрид
33
7Finnish (fi)
Ftaalianhydridi
31
8Indonesian (id)
Ftalat anhidrida
31
9Italian (it)
Anidride ftalica
30
10Portuguese (pt)
Anidrido ftálico
28
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
أنهيدريد الفثاليك
azAzerbaijani
Ftal anhidridi
caCatalan
Anhídrid ftàlic
csCzech
Ftalanhydrid
deGerman
Phthalsäureanhydrid
elGreek
Φθαλικός ανυδρίτης
enEnglish
Phthalic anhydride
eoEsperanto
Ftalata anhidrido
esSpanish
Anhídrido ftálico
etEstonian
Ftaalanhüdriid
euBasque
Anhidrido ftaliko
faPersian
فتالیک انیدرید
fiFinnish
Ftaalianhydridi
frFrench
Anhydride phtalique
hiHindi
थैलिक एनहाइड्राइड
huHungarian
Ftálsav-anhidrid
idIndonesian
Ftalat anhidrida
itItalian
Anidride ftalica
jaJapanese
無水フタル酸
kkKazakh
Фталь ангидриді
koKorean
무수 프탈산
nlDutch
Ftaalzuuranhydride
plPolish
Bezwodnik ftalowy
ptPortuguese
Anidrido ftálico
roRomanian
Anhidridă ftalică
ruRussian
Фталевый ангидрид
shSerbo-Croatian
Ftalni anhidrid
srSerbian
Ftalni anhidrid
svSwedish
Ftalsyraanhydrid
trTurkish
Ftalik anhidrür
ukUkrainian
Фталевий ангідрид
zhChinese
邻苯二甲酸酐

Popularity rank trends

Best Rank Czech:
#32463
01.2011
Global:
#109292
04.2013

AI rank trends

Best Rank Czech:
#8853
05.2021
Global:
#16266
02.2005

Local AI rank history

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Phthalic anhydride from Wikipedia articles about Phthalic acid, Naphthalene, Phenolphthaleina, Phthalimide and Anthranilic acid. Whereas reading the article about Phthalic anhydride people most often go to Wikipedia articles on Phthalic acid, Naphthalene, Phenolphthaleina, Phthalimide and Xylene.

Cumulative results of quality and popularity of the Wikipedia article

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

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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