Ninhydrin

Ninhydrin - chemical compound. Article “Ninhydrin” in Czech Wikipedia has 15 points for quality (as of July 1, 2026). The article contains 2 references and 4 sections.

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

Since the creation of article “Ninhydrin”, its content was written by 15 registered users of Czech Wikipedia and edited by 453 registered Wikipedia users in all languages.

The article is cited 3 times in Czech Wikipedia and cited 459 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Czech): #1439 in March 2025
• Global: #27228 in March 2025

The highest popularity rank from 2008:

• Local (Czech): #32437 in November 2008
• Global: #57230 in October 2010

There are 23 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.

#	Language	Quality grade	Quality score
1	Estonian (et) Ninhüdriin		46.1033
2	German (de) Ninhydrin		45.6874
3	English (en) Ninhydrin		43.1415
4	Serbo-Croatian (sh) Ninhidrin		34.9871
5	Romanian (ro) Ninhidrină		32.979
6	Finnish (fi) Ninhydriini		31.1872
7	Chinese (zh) 茚三酮		29.6566
8	Korean (ko) 닌하이드린		28.0118
9	Serbian (sr) Ninhidrin		24.1876
10	Arabic (ar) نينهيدرين		23.05

More...

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

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

#	Language	Popularity award	Relative popularity
1	English (en) Ninhydrin		1 751 028
2	German (de) Ninhydrin		687 543
3	Japanese (ja) ニンヒドリン		602 291
4	Spanish (es) Ninhidrina		395 624
5	French (fr) Ninhydrine		218 428
6	Polish (pl) Ninhydryna		113 229
7	Russian (ru) Нингидрин		106 566
8	Chinese (zh) 茚三酮		97 032
9	Italian (it) Ninidrina		94 404
10	Portuguese (pt) Ninidrina		68 097

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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 "Ninhydrin" in June 2026

#	Language	Popularity award	Relative popularity
1	English (en) Ninhydrin		1 643
2	German (de) Ninhydrin		1 177
3	Japanese (ja) ニンヒドリン		442
4	Italian (it) Ninidrina		305
5	French (fr) Ninhydrine		244
6	Chinese (zh) 茚三酮		240
7	Russian (ru) Нингидрин		231
8	Spanish (es) Ninhidrina		141
9	Korean (ko) 닌하이드린		124
10	Polish (pl) Ninhydryna		109

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

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

#	Language	AI award	Relative AI
1	English (en) Ninhydrin		106
2	German (de) Ninhydrin		80
3	French (fr) Ninhydrine		42
4	Dutch (nl) Ninhydrine		39
5	Italian (it) Ninidrina		29
6	Japanese (ja) ニンヒドリン		24
7	Polish (pl) Ninhydryna		22
8	Russian (ru) Нингидрин		19
9	Czech (cs) Ninhydrin		15
10	Chinese (zh) 茚三酮		14

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

Language versions of the article "Ninhydrin" with the highest AI in June 2026

#	Language	AI award	Relative AI
1	Arabic (ar) نينهيدرين		0
2	Czech (cs) Ninhydrin		0
3	German (de) Ninhydrin		0
4	Greek (el) Νινυδρίνη		0
5	English (en) Ninhydrin		0
6	Spanish (es) Ninhidrina		0
7	Estonian (et) Ninhüdriin		0
8	Persian (fa) نینهیدرین		0
9	Finnish (fi) Ninhydriini		0
10	French (fr) Ninhydrine		0

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

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

#	Language	CI award	Relative CI
1	Italian (it) Ninidrina		273
2	English (en) Ninhydrin		44
3	German (de) Ninhydrin		28
4	Greek (el) Νινυδρίνη		20
5	Japanese (ja) ニンヒドリン		13
6	Spanish (es) Ninhidrina		10
7	French (fr) Ninhydrine		10
8	Chinese (zh) 茚三酮		10
9	Polish (pl) Ninhydryna		9
10	Dutch (nl) Ninhydrine		8

More...

#	Language	Value
ar	Arabic نينهيدرين
cs	Czech Ninhydrin
de	German Ninhydrin
el	Greek Νινυδρίνη
en	English Ninhydrin
es	Spanish Ninhidrina
et	Estonian Ninhüdriin
fa	Persian نینهیدرین
fi	Finnish Ninhydriini
fr	French Ninhydrine
it	Italian Ninidrina
ja	Japanese ニンヒドリン
ko	Korean 닌하이드린
nl	Dutch Ninhydrine
nn	Norwegian (Nynorsk) Ninhydrin
pl	Polish Ninhydryna
pt	Portuguese Ninidrina
ro	Romanian Ninhidrină
ru	Russian Нингидрин
sh	Serbo-Croatian Ninhidrin
sr	Serbian Ninhidrin
ur	Urdu ننہائیڈرین
zh	Chinese 茚三酮

Best Rank

Czech: #32437 11.2008

Global: #57230 10.2010

Best Rank

Czech: #1439 03.2025

Global: #27228 03.2025

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 Czech Wikipedia the most popular articles on that day were: Simona Monyová, Konžská demokratická republika, Mistrovství světa ve fotbale 2026, Senegal, Boris Ingr, Sára Milfajtová, Barbora Krejčíková, Erling Haaland, Bitva na Sommě, Marko Čermák.

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