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Full size image of Blue Indicating Silica Gel (Guide)

Blue Indicating Silica Gel (Guide)


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The Guide Management of Blue Indicating Silica Gel in the Electricity Supply Industry was first published in July 2001. The Guide has been reviewed and re-confirmed with the following notes:

The Hazardous Substances and New Organisms (HSNO) legislation is now applicable in NZ
Cobalt Chloride is not approved under HSNO for use as a chemical in its own right, but may be used as a component in a product covered by a Group Standard.
Anyone using or handling blue indicating silica gel in NZ must hold and follow the requirements of a current and NZ specific Safety Data Sheet.

Given the minimal indicated use of blue indicating silica gel in the ESI in NZ, no further amendment to the Guide is considered necessary. Note that the Guide addresses the general handling of silica gel, in addition to the specifics of the cobalt chloride indicator.

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