Metallic powders. Determination of envelope-specific surface area from measurements of the permeability to air of a powder bed under steady-state flow conditions1 Scope This document specifies a method of measuring the air permeability and the porosity of a packed bed of metal powder, and of deriving therefrom the value of the envelope specific surface area. The permeability is determined under steady state flow conditions, using a laminar flow of air at a pressure near atmospheric. This document does not include the measurement of permeability by a constant volume method. Several different methods have been

This document defines a list of cross-cutting terms commonly used in the field of carbon dioxide capture

Note: BS EN 14728 does not describe imperfections that may be generated during service or imperfections present before welding

BS EN 15039 gives information on their use as antiscalants for membranes in water treatment

This procedure is applicable for a composite modulus up to and including 41

IEC 61000-4-8

derivatization

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the duties can be divided among staff accordingly

The improvement of indoor air quality is desperately needed

This European Standard describes two test methods on abrasion resistance of materials using the same abrasion apparatus

EN 50133-2-1:2000

Improved performance