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AS
AS 2879.4-1991

AS 2879.4-1991

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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Alumina - Determination of specific surface area by nitrogen adsorption

Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Superseded date

26-04-2023

Superseded by

AS 2879.4-2003

Language(s)

English

Published date

01-01-1991

Publisher

Standards Australia

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Hardcopy - English
PDF 1 User - English
PDF 3 Users - English
PDF 5 Users - English
PDF 9 Users - English
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1 - AS 2879.4-1991 ALUMINA - DETERMINATION OF SPECIFIC SURFACE AREA BY NITROGEN ADSORPTION
4 - PREFACE
4 - CONTENTS
4 - FOREWORD
5 - 1 SCOPE
5 - 2 REFERENCED DOCUMENT
5 - 3 PRINCIPLE
5 - 4 REAGENTS
5 - 4.1 Liquid nitrogen
5 - 4.2 Nitrogen gas
5 - 4.3 Helium gas
5 - 4.4 Nitrogen-helium gas mixture
5 - 4.5 Reference material
5 - 5 APPARATUS
5 - 5.1 Specific surface analyser
5 - 5.2 Degassing equipment
5 - 5.3 Balance
5 - 6 SAMPLING AND SAMPLE PREPARATION
5 - 7 PROCEDURE
5 - 7.1 Determination of specific surface area of reference material
6 - 7.2 Determination of specific surface area of the test sample
6 - 8 CALCULATIONThe
6 - 9 PRECISION
6 - 10 TEST REPORT

Sets out a single-point instrumental method for the determination of specific surface area of smelter-grade alumina having a surface area between 25 m(sup)2/g and 100 m(sup)2/g.

Committee
MN-009
DocumentType
Standard
ISBN
0 7262 6796 1
Pages
2
PublisherName
Standards Australia
Status
Superseded
SupersededBy
Supersedes

This Standard sets out a single-point instrumental method for the determination of specific surface area (SSA) of smelter-grade alumina by nitrogen adsorption. The method is applicable to alumina having a surface area between 25 m2/g and 100 m2/g.

First published as AS 2879.4-1991.

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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