Humidity indicator

August 14th, 2008 by

A humidity indicator is a moisture-sensitive chemical that it will change color when the indicated relative humidity is exceeded.
Some chemicals are:

Cobalt(II) chloride (toxic) (blue to pink)
copper (II) chloride (yellow to blue)
There are other colors like orange

See also

Moisture analysis
Humidity indicator card
Desiccant

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Categories: Desiccants
Desiccation

Desiccation cracks in sludge

Centripetal desiccation cracks in the Lower Jurassic Moenave Formation at [...]

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