ASTM F 78 : 1997 : R2002
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Standard Test Method for Calibration of Helium Leak Detectors by Use of Secondary Standards (Withdrawn 2008)
Hardcopy , PDF
30-07-2008
English
10-12-2002
CONTAINED IN VOL. 10.04, 2006 Covers procedure for calibrating mass spectrometer-type helium leak detector with a series of commercially available calibrated leaks without need for recourse to a primary standard.
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