https://biogeoscapes.net//wiki/index.php?action=history&feed=atom&title=Winkler_light-dark_dissolved_O2_bottle Winkler light-dark dissolved O2 bottle - Revision history 2026-04-12T14:35:23Z Revision history for this page on the wiki MediaWiki 1.45.0 https://biogeoscapes.net//wiki/index.php?title=Winkler_light-dark_dissolved_O2_bottle&diff=482&oldid=prev Anabelvonjackowski: Created page with "* Page authors: Anabel von Jackowski * Responsible curator: Anabel von Jackowski __TOC__ <div class="model-box"> {| class="model-ib" style="float:right; margin-left:1em; margin-bottom:1em;" ! Oxygen Concentration |- | '''Approach:''' Winkler titration (iodometric) |- | '''Context:''' discrete measurement |- | '''Spatial scale:''' mL |- | '''Temporal scale:''' ''in situ'' |..." 2026-02-03T14:11:45Z <p>Created page with &quot;* <a href="/wiki/index.php?title=Page_authors" title="Page authors">Page authors</a>: <a href="/wiki/index.php?title=User:Anabelvonjackowski" title="User:Anabelvonjackowski">Anabel von Jackowski</a> * <a href="/wiki/index.php?title=Responsible_curator" title="Responsible curator">Responsible curator</a>: <a href="/wiki/index.php?title=User:Anabelvonjackowski" title="User:Anabelvonjackowski">Anabel von Jackowski</a> __TOC__ &lt;div class=&quot;model-box&quot;&gt; {| class=&quot;model-ib&quot; style=&quot;float:right; margin-left:1em; margin-bottom:1em;&quot; ! Oxygen Concentration |- | &#039;&#039;&#039;Approach:&#039;&#039;&#039; Winkler titration (iodometric) |- | &#039;&#039;&#039;Context:&#039;&#039;&#039; discrete measurement |- | &#039;&#039;&#039;Spatial scale:&#039;&#039;&#039; mL |- | &#039;&#039;&#039;Temporal scale:&#039;&#039;&#039; &#039;&#039;in situ&#039;&#039; |...&quot;</p> <p><b>New page</b></p><div>* [[Page authors|Page authors]]: [[User:Anabelvonjackowski|Anabel von Jackowski]]<br /> * [[Responsible curator|Responsible curator]]: [[User:Anabelvonjackowski|Anabel von Jackowski]]<br /> <br /> <br /> __TOC__<br /> &lt;div class=&quot;model-box&quot;&gt;<br /> {| class=&quot;model-ib&quot; style=&quot;float:right; margin-left:1em; margin-bottom:1em;&quot;<br /> ! Oxygen Concentration<br /> |-<br /> | &#039;&#039;&#039;Approach:&#039;&#039;&#039; Winkler titration (iodometric)<br /> |-<br /> | &#039;&#039;&#039;Context:&#039;&#039;&#039; discrete measurement<br /> |-<br /> | &#039;&#039;&#039;Spatial scale:&#039;&#039;&#039; mL<br /> |-<br /> | &#039;&#039;&#039;Temporal scale:&#039;&#039;&#039; &#039;&#039;in situ&#039;&#039;<br /> |-<br /> | &#039;&#039;&#039;Units:&#039;&#039;&#039; mmol O&lt;sub&gt;2&lt;/sub&gt; L&lt;sup&gt;-1&lt;/sup&gt;<br /> |-<br /> | &#039;&#039;&#039;Community captured:&#039;&#039;&#039; all<br /> |-<br /> | &#039;&#039;&#039;Co-measurements:&#039;&#039;&#039; temperature, salinity, depth<br /> |}<br /> &lt;/div&gt;<br /> &lt;div style=&quot;clear:both&quot;&gt;&lt;/div&gt;<br /> <br /> == Method Overview ==<br /> <br /> Dissolved O₂ measures the gas concentrations of oxygen from the depths of interest. This measurement can be measured using the Winkler method via iodometric titration because dissolved oxygen does not directly oxidize iodide to iodine and a multi-step reaction in which manganese acts as an intermediate “transfer” agent. &lt;ref name = &quot;Winkler1888&quot;&gt;Winkler, L. W. (1888). *Die Bestimmung des im Wasser gelösten Sauerstoffes*. Berichte der Deutschen Chemischen Gesellschaft, 21(2), 2843–2854. https://doi.org/10.1002/cber.188802102122&lt;/ref&gt;.</div> Anabelvonjackowski