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Subject: Re: [DCHAS-L] [External] [DCHAS-L] Nitric Acid Disposal

Date: Jul 15, 2021 13:58 UTC

Author: Samuella Sigmann <sigmannsb**At_Symbol_Here**appstate.edu>

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Subject: Re: [DCHAS-L] Nitric Acid Disposal

Date: Jul 15, 2021 14:21 UTC

Author: Rob Toreki <info**At_Symbol_Here**ilpi.com>

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From: Daniel Kuespert <0000057d3b6cd9b7-dmarc-request**At_Symbol_Here**LISTS.PRINCETON.EDU>

Subject: Re: [DCHAS-L] Nitric Acid Disposal

Date: Jul 15, 2021 14:13 UTC

Reply-To: ACS Division of Chemical Health and Safety

In-Reply-To: [DCHAS-L] Nitric Acid Disposal

Demystify: 

Acetic acid or acetic anhydride can explode with nitric acid if not kept cold. Experiments demonstrate that mixtures containing more than 50% by weight of nitric acid in acetic anhydride may act as detonating explosives under certain conditions. An indication is given of the percentage mixtures of acetic anhydride-nitric acid which could be detonated using a priming charge and detonator. 

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