Norm

ISO 8008:1986 en

Aluminium oxide primarily used for the production of aluminium - Determination of specific surface area by nitrogen adsorption - Single-point method

  • Deze norm is ingetrokken sinds 01-11-2005

48,19

Over deze norm

Status Ingetrokken
Aantal pagina's 9
Gepubliceerd op 21-08-1986
Taal Engels
At ambient temperature and at atmospheric pressure nitrogen is introduced into two bottles of equal volume one of which contains the test portion while the other is empty. The connected bottles are immersed in the refrigerant bath of liquid nitrogen. Since some nitrogen is adsorbed by the sample a differential pressure occurs between the two bottles and is measured by means of a differential manometer. From this difference, the number of molecules absorbed on the surface is calculated. The area occupied by an absorbed nitrogen molecule is taken as 16.2 x 10 m. From this values the surface area is calculated.

Details

ICS-code 71.100.10
Nederlandse titel Aluminium oxide primarily used for the production of aluminium - Determination of specific surface area by nitrogen adsorption - Single-point method
Engelse titel Aluminium oxide primarily used for the production of aluminium - Determination of specific surface area by nitrogen adsorption - Single-point method
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