There have been cases where the rotary valve of VIPs have been damaged after using Bouin's fixative without proper washing. On the other hand I used to keep picric acid but always in saturated solution, which is about 1%. As long as you have water along with the picric acid bottle, there is no problem. René J.
--- On Fri, 2/3/12, Perry, Margaret <margaret.pe...@sdstate.edu> wrote: From: Perry, Margaret <margaret.pe...@sdstate.edu> Subject: [Histonet] picric acid To: "histonet@lists.utsouthwestern.edu" <histonet@lists.utsouthwestern.edu> Date: Friday, February 3, 2012, 1:50 PM I am curious how big an explosion there would be from 1% picric acid in acetone if a little dried around the cap. Margaret Perry HT(ASCP) Dept of Veterinary and Biomedical services Box 2175 South Dakota State University Brookings SD 57007 605-688-5638 _______________________________________________ Histonet mailing list Histonet@lists.utsouthwestern.edu http://lists.utsouthwestern.edu/mailman/listinfo/histonet _______________________________________________ Histonet mailing list Histonet@lists.utsouthwestern.edu http://lists.utsouthwestern.edu/mailman/listinfo/histonet