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What is the use of nitrogen isothermal adsorption

What is the use of nitrogen isothermal adsorption, Total:2 items.

In the international standard classification, What is the use of nitrogen isothermal adsorption involves: Particle size analysis. Sieving, Measurement of volume, mass, density, viscosity, Analytical chemistry.

Association Francaise de Normalisation, What is the use of nitrogen isothermal adsorption

NF X11-621:1975 Determination of the area per unit mass of powders (specific surface) by means of gas adsorption. B.E.T. method:volumetric measurement of the adsorption of nitrogen at low temperatures.

American Society for Testing and Materials (ASTM), What is the use of nitrogen isothermal adsorption

ASTM D4222-03(2015)e1 Standard Test Method for Determination of Nitrogen Adsorption and Desorption Isotherms of Catalysts and Catalyst Carriers by Static Volumetric Measurements