I am looking for references/information on the (etching) properties of HF in organic solvents and of other non-aqueous HF formulations. Thanks. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> John R. Vig U. S. Army Research Laboratory Attn: AMSRL-PS-ED Ft. Monmouth, NJ 07703-5601, U.S.A. Telephone: 908-544-4275, FAX: 908-544-4805 Internet: JVig@ARL.mil PLEASE NOTE: The (908)544-XXXX will change to (908)427-XXXX after May 29. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>