Hi Karen,
We get ours from Sigma-aldrich:
Ammonium Sulfide, 25ml A1952-25Sigma-Aldrich $34.12 EA 25 ml
This is a 20% solution
We just got some so I know they have it.
We use a 10% solution of this, so it comes out to 2% final concentration: we
use 4ml of the ammonium
Francisco Medical Center
-Original Message-
From: histonet-boun...@lists.utsouthwestern.edu
[mailto:histonet-boun...@lists.utsouthwestern.edu] On Behalf Of Rene J Buesa
Sent: Friday, February 01, 2013 6:07 AM
To: Tony Henwood (SCHN); histonet
Subject: Re: [Histonet] Expiration dates
