This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Adding yellow box to highlight pH of wine. The original can be viewed here: PH scale 2.png: . Modifications made by Agne27.
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Original upload log
This image is a derivative work of the following images:
2008-02-04T09:32:04Z File Upload Bot (Magnus Manske) 1200x300 (23605 Bytes) {{BotMoveToCommons|en.wikipedia}} {{Information |Description={{en|Another diagram of the pH scale. Own work. PD release.}} |Source=Transferred from [http://en.wikipedia.org en.wikipedia]; Transfer was stated to be made by [[
{{Information |Description={{en|Diagram of the pH scale with the typical pH levels of wine highlighted}} |Source=*File:PH_scale_2.png |Date=2009-12-24 07:16 (UTC) |Author=*File:PH_scale_2.png: Original uploader was [[:en:User:Piercetheorganist