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The Hive => Chemistry Discourse => Topic started by: maxz on February 27, 2004, 09:40:00 AM

Title: Copper chromite. A couple of questions.
Post by: maxz on February 27, 2004, 09:40:00 AM

What is copper chromite, CuCrO2 or Cu2Cr2O5 ?
(NH4)2Cr2O7 + NH4OH, and what ?
I do not understand this reaction, please help, somebody :)
Thanks.

Title: Copper Chromite
Post by: roger2003 on February 27, 2004, 11:46:00 AM

See:
Organic Syntheses CV 2, 142

http://www.orgsyn.org/orgsyn/orgsyn/prepContent.asp?prep=cv2p0142 (http://www.orgsyn.org/orgsyn/orgsyn/prepContent.asp?prep=cv2p0142)

Title: One of these US patents gives a process for...
Post by: Zamboni on February 28, 2004, 05:05:00 PM

One of these US patents gives a process for making it.

2108156
 2612524
 2697729
 2811559
 3075016
 3660491
 4172097
 4754074
 5750795