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Homepage>BS Standards>71 CHEMICAL TECHNOLOGY>71.100 Products of the chemical industry>71.100.10 Materials for aluminium production>BS ISO 8008:2005 Aluminium oxide primarily used for the production of aluminium. Determination of specific surface area by nitrogen adsorption
immediate downloadReleased: 2006-01-23
BS ISO 8008:2005 Aluminium oxide primarily used for the production of aluminium. Determination of specific surface area by nitrogen adsorption

BS ISO 8008:2005

Aluminium oxide primarily used for the production of aluminium. Determination of specific surface area by nitrogen adsorption

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Standard number:BS ISO 8008:2005
Pages:16
Released:2006-01-23
ISBN:0 580 47298 1
Status:Standard
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BS ISO 8008:2005


This standard BS ISO 8008:2005 Aluminium oxide primarily used for the production of aluminium. Determination of specific surface area by nitrogen adsorption is classified in these ICS categories:
  • 71.100.10 Materials for aluminium production

This International Standard specifies an instrumental method for the determination of specific surface area (SSA) of smelter-grade alumina (SGA) by nitrogen adsorption by a single- or multi-point method. A multi-point method is recommended due to the higher accuracy obtained; if a single-point method is used, a lower result will be obtained.

NOTE Annex A provides an explanation of the difference between single- and multi-point determined BET SSA.

This International Standard is applicable to aluminas having a surface area between 50 m2/g and 90 m2/g.