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BS 4559-7 81st Edition, April 30, 1981
Complete Document
Active, Most Current
Preparation of Calibration Gas Mixtures Part 7: Permeation Method
Includes all amendments and changes through Reaffirmation Notice , 1997
Additional Comments: SAME AS ISO 6349
Page Count:12
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Describes principles and examples of apparatus for a permeation procedure for the continuous preparation of calibration gas mixtures.