[Histonet] Chemical outdates

[Harrison, Sandra C.]

If there are no expiration dates on the chemical:
For chemicals distributed by Fisher, look at the Lot #.  The first 2
numbers are the year it was manufactured.  In general, chemicals are
considered expired 3-5 years after the year they were manufactured.

You can also check the certificate that comes when the chemical is
delivered.  It should have an expiration date or at least a year of
manufacture.

Sandy Harrison

-----Original Message-----
From: histonet-bounces <@t> lists.utsouthwestern.edu
[mailto:histonet-bounces <@t> lists.utsouthwestern.edu] On Behalf Of Amy
Johnson
Sent: Thursday, January 21, 2010 1:47 PM
To: histonet <@t> lists.utsouthwestern.edu
Subject: [Histonet] Chemical outdates

Hello Histonetters,

We just got inspected by CAP and it was recommended that we put
expiration dates on our chemicals once we open them.  What kind of time
frame do any of you other labs do in regards to this?

Thanks for your input,

Amylin Johnson

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