Re: [Histonet] Expiry date of NBF

" To: histonet@lists.utsouthwestern.edu Sent: Wed, May 18, 2011 12:29:58 AM Subject: [Histonet] Expiry date of NBF Dear Histonetters, I require one clarification on declaration of  expiry date of 4% nutral buffer formalin (NBF) prepared in our lab ( from 40% solution) ? Do you declare the e

[Histonet] Expiry date of NBF

Dear Histonetters, I require one clarification on declaration of expiry date of 4% nutral buffer formalin (NBF) prepared in our lab ( from 40% solution) ? Do you declare the expiry date of this prepared solution ? If so what criteria do you follow for this? Important to mention that we have