>>>> nauck@xxxxxxxxx 06/03/03 11:17AM >>> > I have just received lab results back from Terry Tullos Wayland, who > is a > paper conservator. > > He says: > > "Kurt, your DOF specimen is a moderately acidic pH 4.59."
If you mean that you don't understand pH, try any school chemistry book, or web pages such as
http://saltaquarium.about.com/library/weekly/aa061301.htm
Perhaps he didn't understand what "DOF specimen" was -- When I see "DOF," I think of "Depth of Field" sorry. Or is it "Dirty Old Fragment"? <smile>