Naphthionic acid

Naphthionic acid - chemical compound. Article "Naphthionic acid" in English Wikipedia has 13.5 points for quality (as of July 1, 2025). The article contains 2 references and 1 sections.

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

Since the creation of article "Naphthionic acid", its content was written by 11 registered users of English Wikipedia and edited by 36 registered Wikipedia users in all languages.

The article is cited 7 times in English Wikipedia and cited 42 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #639237 in October 2014
• Global: #291351 in August 2016

The highest popularity rank from 2008:

• Local (English): #1496398 in October 2013
• Global: #2159603 in March 2023

There are 9 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	German (de) 4-Aminonaphthalin-1-sulfonsäure		31.2163
2	Finnish (fi) Naftionihappo		29.8661
3	Ukrainian (uk) 4-амінонафтален-1-сульфокислота		27.2811
4	Tamil (ta) நாப்தியோனிக் அமிலம்		24.6793
5	Romanian (ro) Acid naftionic		23.8625
6	Portuguese (pt) Ácido 4-aminonaftaleno-1-sulfônico		15.4496
7	Chinese (zh) 4-氨基萘-1-磺酸		15.2969
8	English (en) Naphthionic acid		13.4665
9	Japanese (ja) ナフチオン酸		10.2823

More...

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

The most popular language versions of the article "Naphthionic acid" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Naphthionic acid		21 996
2	German (de) 4-Aminonaphthalin-1-sulfonsäure		6 163
3	Japanese (ja) ナフチオン酸		4 399
4	Portuguese (pt) Ácido 4-aminonaftaleno-1-sulfônico		3 519
5	Chinese (zh) 4-氨基萘-1-磺酸		865
6	Romanian (ro) Acid naftionic		706
7	Ukrainian (uk) 4-амінонафтален-1-сульфокислота		447
8	Tamil (ta) நாப்தியோனிக் அமிலம்		135
9	Finnish (fi) Naftionihappo		95

More...

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

The most popular language versions of the article "Naphthionic acid" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Naphthionic acid		92
2	German (de) 4-Aminonaphthalin-1-sulfonsäure		54
3	Japanese (ja) ナフチオン酸		34
4	Romanian (ro) Acid naftionic		17
5	Chinese (zh) 4-氨基萘-1-磺酸		14
6	Tamil (ta) நாப்தியோனிக் அமிலம்		9
7	Portuguese (pt) Ácido 4-aminonaftaleno-1-sulfônico		7
8	Finnish (fi) Naftionihappo		3
9	Ukrainian (uk) 4-амінонафтален-1-сульфокислота		3

More...

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

Language versions of the article "Naphthionic acid" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) Naphthionic acid		11
2	German (de) 4-Aminonaphthalin-1-sulfonsäure		9
3	Japanese (ja) ナフチオン酸		4
4	Ukrainian (uk) 4-амінонафтален-1-сульфокислота		4
5	Finnish (fi) Naftionihappo		2
6	Portuguese (pt) Ácido 4-aminonaftaleno-1-sulfônico		2
7	Chinese (zh) 4-氨基萘-1-磺酸		2
8	Romanian (ro) Acid naftionic		1
9	Tamil (ta) நாப்தியோனிக் அமிலம்		1

More...

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

Language versions of the article "Naphthionic acid" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	German (de) 4-Aminonaphthalin-1-sulfonsäure		0
2	English (en) Naphthionic acid		0
3	Finnish (fi) Naftionihappo		0
4	Japanese (ja) ナフチオン酸		0
5	Portuguese (pt) Ácido 4-aminonaftaleno-1-sulfônico		0
6	Romanian (ro) Acid naftionic		0
7	Tamil (ta) நாப்தியோனிக் அமிலம்		0
8	Ukrainian (uk) 4-амінонафтален-1-сульфокислота		0
9	Chinese (zh) 4-氨基萘-1-磺酸		0

More...

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

Language versions of the article "Naphthionic acid" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	German (de) 4-Aminonaphthalin-1-sulfonsäure		10
2	English (en) Naphthionic acid		7
3	Portuguese (pt) Ácido 4-aminonaftaleno-1-sulfônico		7
4	Chinese (zh) 4-氨基萘-1-磺酸		6
5	Ukrainian (uk) 4-амінонафтален-1-сульфокислота		5
6	Finnish (fi) Naftionihappo		4
7	Japanese (ja) ナフチオン酸		2
8	Romanian (ro) Acid naftionic		1
9	Tamil (ta) நாப்தியோனிக் அமிலம்		0

More...

#	Language	Value
de	German 4-Aminonaphthalin-1-sulfonsäure
en	English Naphthionic acid
fi	Finnish Naftionihappo
ja	Japanese ナフチオン酸
pt	Portuguese Ácido 4-aminonaftaleno-1-sulfônico
ro	Romanian Acid naftionic
ta	Tamil நாப்தியோனிக் அமிலம்
uk	Ukrainian 4-амінонафтален-1-сульфокислота
zh	Chinese 4-氨基萘-1-磺酸

Best Rank

English: #1496398 10.2013

Global: #2159603 03.2023

Best Rank

English: #639237 10.2014

Global: #291351 08.2016

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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