Titration curve of CH3COOH 10mL. Titrated by 0.1mol/L NaOH . "フェノールフタレイン" means "phenolphthalein". "メチルオレンジ" means "Methyl orange".
日付
<a href="//commons.wikimedia.org/wiki/User:%E3%81%99%E3%81%98%E3%81%AB%E3%81%8F%E3%82%B7%E3%83%81%E3%83%A5%E3%83%BC" title="User:すじにくシチュー">すじにくシチュー</a>, <a href="https://de.wikipedia.org/wiki/Benutzer:JoKalliauer" class="extiw" title="de:Benutzer:JoKalliauer">Johannes Kalliauer</a>
Own work based on: <a href="//commons.wikimedia.org/wiki/File:CH3COOH_titration-curve_jp.svg" title="File:CH3COOH titration-curve jp.svg">CH3COOH titration-curve jp.svg</a>