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-   -   Cocl2 in Hygrometers (https://www.askmehelpdesk.com/showthread.php?t=364825)

  • Jun 14, 2009, 09:38 AM
    taylorlewis
    Cocl2 in Hygrometers
    Why is CoCl2 used in hygrometers?
  • Jun 14, 2009, 10:04 AM
    Perito

    changes color from blue (dry) to pink (wet) when it gets moist. It can, therefore, be used as a sensor by passing light through it and detecting absorbance.

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