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Subject: Re: [DCHAS-L] triacid diamond cleaning
Date: Monday, May 25, 2015 10:43:29 AM
Author: Monona Rossol <actsnyc**At_Symbol_Here**cs.com> 		Next by Date:
Subject: Fwd: [DCHAS-L] [New post] Updated hazard evaluation guidelines released
Date: Tue, 26 May 2015 07:39:57 -0400
Author: "Secretary, ACS Division of Chemical Health and Safety"

From: Wayne Wood <wayne.wood**At_Symbol_Here**MCGILL.CA>
Subject: Re: [DCHAS-L] triacid diamond cleaning
Date: Mon, 25 May 2015 15:22:36 +0000
Reply-To: DCHAS-L <DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU>
Message-ID: 4F21A5F3A002444D8B4F5E4B767431E57F3AA1BB**At_Symbol_Here**EXMBX2010-7.campus.MCGILL.CA
In-Reply-To <14d8b874c07-49f9-4a0fd**At_Symbol_Here**webprd-a67.mail.aol.com>


I don’t think so.  I’ve heard of the35% hydrogen peroxide and potassium cyanide mix used to clean gold but not diamonds. 

 

W.

 

Wayne Wood | Associate Director, University Safety (EHS), University Services –Directeur Adjoint, Direction de la prévention (SSE), Services universitaires |McGill University | 3610 rue McTavish Street, 4th floor | Montreal, Quebec, Canada, H3A 1Y2 | Tel: (514) 398-2391

 

 

 

 

 

From: DCHAS-L Discussion List [mailto:dchas-l**At_Symbol_Here**med.cornell.edu]On Behalf Of Monona Rossol
Sent: Monday, May 25, 2015 10:43 AM
To: DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU
Subject: Re: [DCHAS-L] triacid diamond cleaning

 

hmmm.   It this a substitute for "bombing" with 35% hydrogen peroxide and potassium cyanide?

 

Monona Rossol, M.S., M.F.A., Industrial Hygienist

President:  Arts, Crafts & Theater Safety, Inc.

Safety Officer: Local USA829, IATSE

181 Thompson St., #23

New York, NY 10012     212-777-0062

actsnyc**At_Symbol_Here**cs.com   www.artscraftstheatersafety.org


 

 

-----Original Message-----
From: Wayne Wood <wayne.wood**At_Symbol_Here**MCGILL.CA>
To: DCHAS-L <DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU>
Sent: Mon, May 25, 2015 8:51 am
Subject: [DCHAS-L] triacid diamond cleaning

Would any of you happen to have a Standard operating Procedure for using triacid (Perchloric/nitric/sulfuric) solution to clean diamonds?

 

Thank you.

 

W.

 

Wayne Wood | Associate Director, University Safety (EHS), University Services –Directeur Adjoint, Direction de la prévention (SSE), Services universitaires |McGill University | 3610 rue McTavish Street, 4th floor | Montreal, Quebec, Canada, H3A 1Y2 | Tel: (514) 398-2391

 

 

 

 

 

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