Thank you David. Will try to find that one. Doug Pauls Principal Materials and Process Engineer Rockwell Collins On Fri, Jun 15, 2018 at 2:49 PM, David Douthit <[log in to unmask]> wrote: > Dougleas, > > I believe I found it: J. D. Sinclair - > “Deposition of Airborne Sulfate , Nitrate , and Chloride Salts as It > Relates to Corrosion of Electronics,” vol. 137, no. 4, pp. 1200-1206, 1990. > > > > Good luck! > > > > David A. Douthit > > > On Jun 15, 2018, at 12:31 PM, David Douthit <[log in to unmask]> wrote: > > > > Douglas, > > > > I am searching my records for some AT&T/BELL labs testing to simulate > “dirty air/condensation”. These experiments determined that condensation > would begin on average at 60% Rh and a film would form with a Ph factor > between 2 and 4! I think this is called corrosion! > > > > If I find those methods (done in the 80’s) I will forward you the > references! > > > > David A. Douthit > > > > > >> On Jun 15, 2018, at 7:14 AM, Douglas Pauls <[log in to unmask] > COM> wrote: > >> > >> Good morning all, > >> > >> I am about to turn one of my co-ops loose on a project. Years back, I > >> recall a test method, I think from a Mil-STD, that involved exposing a > >> circuit to "branch water". This was water with some form of > electrolyte in > >> it to represent condensed water from a dirty atmosphere. Is anyone > >> familiar with the test method I am thinking of? Or something similar? > >> > >> > >> Doug Pauls > >> Principal Materials and Process Engineer > >> Rockwell Collins > >> > > >