In industry, Ferro sulfate solution is used to decompose residue of hydrogen peroxide or per acids and works very good. Also a caustic solution will works as log you keep the pH of solution above 7. In any case you want to add your peroxide solution to the caustic or Fe+2 and monitor the active oxygen of the mixture not to concentrate it. M. Kazemi Technical Manager Additives Division Arkema Inc. 157 Highway Avenue North Blooming Prairie, Mn 55917 Tel.: 507-583-2427 Fax: 507-583-6648 mohammad.kazemizadeh**At_Symbol_Here**arkema.com www.arkemagroup.com "Debbie M. Decker"Sent by: DCHAS-L Discussion List 03/12/2010 05:57 PM Please respond to DCHAS-L Discussion List To DCHAS-L**At_Symbol_Here**LIST.UVM.EDU cc Subject [DCHAS-L] FW: Inactivation of Meta chloro peroxybenzoic acid Hey all you chemists out there! I don't quite know where to begin to give my colleague, Dexter, advice. Ideas? -----Original Message----- From: Dexter Debbie We are using MCPBA to make some epoxides. I need to purify the MCPBA before I use it and the wash and crystalization process leaves a significant anoumt in solution. Usually dichloromethane. I will obviuosly discard this solution as toxic waste but I want to deactivate the MCPBA that remains. I have read you can use NaI , ferrous ions, potassium hydroxide, sodium thiosulfate, etc. What in your knowledge is the preferred method. Thanks. Dexter ----------------------------- Debbie M. Decker, Campus Chemical Safety Officer Environmental Health and Safety University of California, Davis 1 Shields Ave. Davis, CA 95616 (530)754-7964/(530)752-4527 (FAX) dmdecker**At_Symbol_Here**ucdavis.edu Co-Conspirator to Make the World A Better Place -- Visit www.HeroicStories.com and join the conspiracy
In industry, Ferro sulfate solution is used to decompose residue of hydrogen peroxide or per acids and works very good. Also a caustic solution will works as log you keep the pH of solution above 7. In any case you want to add your peroxide solution to the caustic or Fe+2 and monitor the active oxygen of the mixture not to concentrate it.
M. Kazemi
Technical Manager
Additives Division
Arkema Inc.
157 Highway Avenue North
Blooming Prairie, Mn 55917
Tel.: 507-583-2427
Fax: 507-583-6648
mohammad.kazemizadeh**At_Symbol_Here**arkema.com
www.arkemagroup.com
"Debbie M. Decker" <dmdecker**At_Symbol_Here**UCDAVIS.EDU>
Sent by: DCHAS-L Discussion List <DCHAS-L**At_Symbol_Here**list.uvm.edu>03/12/2010 05:57 PM
Please respond to
DCHAS-L Discussion List <DCHAS-L**At_Symbol_Here**list.uvm.edu>
ToDCHAS-L**At_Symbol_Here**LIST.UVM.EDU cc Subject[DCHAS-L] FW: Inactivation of Meta chloro peroxybenzoic acid
Hey all you chemists out there! I don't quite know where to begin to give my colleague, Dexter, advice.Ideas?
-----Original Message-----
From: DexterDebbie
We are using MCPBA to make some epoxides. I need to purify the MCPBA
before I use it and the wash and crystalization process leaves a
significant anoumt in solution. Usually dichloromethane. I will
obviuosly discard this solution as toxic waste but I want to deactivate
the MCPBA that remains. I have read you can use NaI , ferrous ions,
potassium hydroxide, sodium thiosulfate, etc. What in your knowledge is
the preferred method. Thanks. Dexter
-----------------------------Debbie M. Decker, Campus Chemical Safety Officer
Environmental Health and Safety
University of California, Davis
1 Shields Ave.
Davis, CA 95616
(530)754-7964/(530)752-4527 (FAX)
dmdecker**At_Symbol_Here**ucdavis.edu
Co-Conspirator to Make the World A
Better Place -- Visit www.HeroicStories.com and join the conspiracy
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