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Subject: [DCHAS-L] May 8, Lithium-Ion Battery Safety: Risks, Challenges, and Public Awareness

Date: Apr 22, 2025 23:14 UTC

Author: Joe Sabol <jsabol**At_Symbol_Here**CHEM-CONSULT.COM>

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Subject: Re: [DCHAS-L] Safe Cyanide Use - Best practices

Date: Apr 24, 2025 19:38 UTC

Author: Neal Langerman <chemsaf**At_Symbol_Here**GMAIL.COM>

From: Hugo G. Schmidt <00001c5acd4c8622-dmarc-request**At_Symbol_Here**LISTS.PRINCETON.EDU>

Subject: [DCHAS-L] Safe Cyanide Use - Best practices

Date: Apr 24, 2025 15:34 UTC

Reply-To: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**Princeton.EDU>

Message-ID: <trinity-97a41f77-3dc3-4264-811e-a3078731283c-1745508846106@3c-app-mailcom-bs16>

In-Reply-To: <1620141481.1124487.1745363692628**At_Symbol_Here**webmail-oxcs.register.com>

Demystify: 
Hi All,
 
I am currently setting up a lab to develop precious metal extraction from cyanide liquor.  It'll involve first stage anion chromatophraphy and then electrowinning. 
 
Can people please send their advice and any links to papers of best practices?  I'd be extremely grateful.  In particular, if anyone has good experience of how to protect against HCN evolution (an issue when eluting with acid thiourea), that would be great.
 
Best,
 
Hugo 
CTO, BioMetallica

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