chemical storage

Glutaric Acid

Glutaric acid: I have found some old glutaric acid in my chemical store and would like to know if it is an approved chemical for use in schools.

It has an orange dot on the container, but I have no information in the old CSIS or on the ASSIST List of recommended chemicals for science list. Thanks.

Ammonium nitrate

Ammonium nitrate: Hi, Has anyone else had any trouble with ammonium nitrate absorbing water? Mine has become a clear mixture of liquid and crystals. The crystals are a solid lump that needs to be prodded to separate. It was suggested by one of my teachers to place it in the oven to dry it out. I'm not in favour of doing this procedure, and so I won't be taking his advice.

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