Contact process

Contact process - contact process is a method to prepare sulphuric acid / oil of vitriol in industrial cases.. Article “Contact process” in English Wikipedia has 27.5 points for quality (as of July 1, 2026). The article contains 13 references and 7 sections. The article also contains templates indicating quality issues, therefore its score was reduced by 1.45 points.

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

Since the creation of article “Contact process”, its content was written by 126 registered users of English Wikipedia and edited by 342 registered Wikipedia users in all languages.

The article is cited 29 times in English Wikipedia and cited 157 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #31962 in September 2021
• Global: #20625 in May 2005

The highest popularity rank from 2008:

• Local (English): #104699 in March 2019
• Global: #108233 in February 2018

There are 18 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	German (de) Kontaktverfahren		33.832
2	English (en) Contact process		27.4931
3	Finnish (fi) Kontaktimenetelmä		25.6678
4	Tamil (ta) தொடுகைச் செயன்முறை		23.3636
5	Czech (cs) Kontaktní proces		23.3349
6	Portuguese (pt) Processo de contato		21.7347
7	Persian (fa) فرایند تماس		19.3417
8	Indonesian (id) Proses kontak		18.6433
9	Spanish (es) Proceso de contacto		18.2158
10	French (fr) Procédé de contact		15.3175

More...

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

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

#	Language	Popularity award	Relative popularity
1	English (en) Contact process		1 257 743
2	Russian (ru) Производство серной кислоты		656 960
3	German (de) Kontaktverfahren		328 101
4	Spanish (es) Proceso de contacto		124 838
5	Chinese (zh) 接触法		56 544
6	Portuguese (pt) Processo de contato		55 530
7	Japanese (ja) 接触法		41 213
8	French (fr) Procédé de contact		34 678
9	Indonesian (id) Proses kontak		29 926
10	Dutch (nl) Contactproces		26 720

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 "Contact process" in June 2026

#	Language	Popularity award	Relative popularity
1	English (en) Contact process		2 803
2	German (de) Kontaktverfahren		708
3	Russian (ru) Производство серной кислоты		466
4	Japanese (ja) 接触法		310
5	Chinese (zh) 接触法		222
6	Spanish (es) Proceso de contacto		173
7	Dutch (nl) Contactproces		98
8	French (fr) Procédé de contact		89
9	Portuguese (pt) Processo de contato		53
10	Finnish (fi) Kontaktimenetelmä		23

More...

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

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

#	Language	AI award	Relative AI
1	English (en) Contact process		126
2	German (de) Kontaktverfahren		88
3	Russian (ru) Производство серной кислоты		37
4	Dutch (nl) Contactproces		17
5	Japanese (ja) 接触法		9
6	Portuguese (pt) Processo de contato		9
7	Spanish (es) Proceso de contacto		8
8	Chinese (zh) 接触法		8
9	Finnish (fi) Kontaktimenetelmä		7
10	French (fr) Procédé de contact		7

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 "Contact process" with the highest AI in June 2026

#	Language	AI award	Relative AI
1	Persian (fa) فرایند تماس		2
2	German (de) Kontaktverfahren		1
3	Arabic (ar) عملية التلامس		0
4	Czech (cs) Kontaktní proces		0
5	English (en) Contact process		0
6	Spanish (es) Proceso de contacto		0
7	Finnish (fi) Kontaktimenetelmä		0
8	French (fr) Procédé de contact		0
9	Hindi (hi) संस्पर्श प्रक्रम		0
10	Indonesian (id) Proses kontak		0

More...

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

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

#	Language	CI award	Relative CI
1	English (en) Contact process		29
2	German (de) Kontaktverfahren		28
3	Indonesian (id) Proses kontak		10
4	Spanish (es) Proceso de contacto		9
5	French (fr) Procédé de contact		9
6	Japanese (ja) 接触法		9
7	Portuguese (pt) Processo de contato		9
8	Russian (ru) Производство серной кислоты		9
9	Finnish (fi) Kontaktimenetelmä		8
10	Malay (ms) Proses Sentuh		7

More...

#	Language	Value
ar	Arabic عملية التلامس
cs	Czech Kontaktní proces
de	German Kontaktverfahren
en	English Contact process
es	Spanish Proceso de contacto
fa	Persian فرایند تماس
fi	Finnish Kontaktimenetelmä
fr	French Procédé de contact
hi	Hindi संस्पर्श प्रक्रम
id	Indonesian Proses kontak
ja	Japanese 接触法
ms	Malay Proses Sentuh
nl	Dutch Contactproces
pt	Portuguese Processo de contato
ru	Russian Производство серной кислоты
ta	Tamil தொடுகைச் செயன்முறை
tr	Turkish Temas süreci
zh	Chinese 接触法

Best Rank

English: #104699 03.2019

Global: #108233 02.2018

Best Rank

English: #31962 09.2021

Global: #20625 05.2005

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 English Wikipedia the most popular articles on that day were: 2026 FIFA World Cup, Harry Kane, Julián Quiñones, List of FIFA World Cup top goalscorers, Kylian Mbappé, Democratic Republic of the Congo, Erling Haaland, DR Congo national football team, Melat Kiros, FIFA World Cup.

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