I'm not a chemist, but shouldn't that be cerium ammonium nitrate?
(http://www.organic-chemistry.org/chemicals/oxidations/ceriumammoniumnitrate-
can.shtm)
It's what the label of my Transene bottle says...

Dirk

-----Original Message-----
From: mems-talk-bounces+dirk.debruyker=parc.com@memsnet.org [mailto:mems-talk-
bounces+dirk.debruyker=parc.com@memsnet.org] On Behalf Of Jaroslaw Syzdek
Sent: Friday, July 22, 2011 8:28 AM
To: mems-talk@memsnet.org
Subject: Re: [mems-talk] Cr wet etching

it is a nitrite. Cerium-ammonium nitride does not exist (there would be
immediate proton transfer from NH4+ to N3-, and the whole thing would either
explode, or at least heat up a lot)

Jaroslaw Syzdek
Ernest Orlando Lawrence Berkeley National Laboratory
Environmental Energy Technologies Division
Advanced Energy Technology
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