Humidity indicator: Difference between revisions

Revision as of 13:13, 24 March 2016

Revision as of 17:54, 28 July 2018

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{{Humidity}}

{{Cleanup|date=August 2010}}

[[File:Humidity indicator before & after wetting.jpg|thumb|left|380px|Humidity indicator on the lithium-ion battery of an mobile phone

<br/>top: before wetting

<br/>bottom: after wetting

<br/>(batery model: Samsung AB653039)]]<!-- Suitable for the mobile phone: Samsung SGH-U800-->

A '''humidity indicator''' is a moisture-sensitive chemical that changes color when the indicated [[relative humidity]] is exceeded.

==Chemicals==

Some chemicals are:

* [[cobalt(II) chloride]] (toxic) (blue to pink)

* [[copper(II) chloride]] (toxic) (yellow to blue)

[[File:Humidity indicator before & after wetting.jpg|thumb|left|380px|Humidity indicator on the lithium-ion battery of an mobile phone

<br/>top: before wetting

<br/>bottom: after wetting

<br/>(batery model: Samsung AB653039)]]<!-- Suitable for the mobile phone: Samsung SGH-U800-->

{{clear}}

== See also ==