From: "Stuart, Ralph" <Ralph.Stuart**At_Symbol_Here**KEENE.EDU>
Subject: Re: [DCHAS-L] Microwave Synthesizers
Date: Tue, 25 Jun 2019 12:32:29 +0000
Reply-To: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**PRINCETON.EDU>
Message-ID: 4746EC73-381C-4BBA-8C18-00AB6160AB07**At_Symbol_Here**

> >Microwave is a very robust and time efficient method of heating
> >3. Never do acid digestion especially mineral acids.

I remember that about 15 years ago, processes for digesting environmental samples with nitric acid in a microwave were developed to replace digestions that used boiling perchloric acid in a fume hood. Has the thinking on this approach changed?

- Ralph

Ralph Stuart, CIH, CCHO
Environmental Safety Manager
Keene State College
603 358-2859


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