Standard Test Methods for
Microscopical Sizing and Counting Particles from
Aerospace Fluids on Membrane Filters1
This general is issued beneath the fixed designation f 312; the wide variety right away following the designation indicates the yr of
original adoption or, within the case of revision, the year of closing revision. a number of in parentheses shows the 12 months of last reapproval. a
superscript epsilon (e) shows a piece of writing alternate for the reason that ultimate revision or reapproval.
click below to download Astm F 312 – 97 (Reapproved 2003) pdf free
click here to download Astm F 311 – 97 (Reapproved 2002) pdf free