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BS ISO 8008:2005

Current
Current

The latest, up-to-date edition.

Aluminium oxide primarily used for the production of aluminium. Determination of specific surface area by nitrogen adsorption
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-23-2006

Publisher

British Standards Institution

1 Scope
2 Normative references
3 Principle
4 Reagents
5 Apparatus
6 Sampling and sample preparation
7 Procedure
8 Calculation and reporting of results
9 Precision
10 Quality control
11 Test report
Annex A (informative) Difference between single- and
                      multi-point-determined BET SSA
Annex B (informative) Results of test programme

Specifies an instrumental method for the determination of specific surface area of smelter-grade alumina by nitrogen adsorption by a single- or multi-point method.

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 AnnexA 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 50m2/g and 90m2/g.

Committee
W/-
DevelopmentNote
Supersedes BS 4140-23(1987) and 04/30118278 DC. (02/2006) Reviewed and confirmed by BSI, March 2015. (03/2015)
DocumentType
Standard
Pages
16
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
ISO 8008:2005 Identical

AS 2850-1986 Chemical analysis - Interlaboratory test programs - For determining precision of analytical method(s) - Guide to the planning and conduct

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Hardcopy - English
PDF - English
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