Methods of sampling and test for carbonaceous materials used in aluminium manufacture. Electrode pitch Determination of ash

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

29-08-1986

Publisher

British Standards Institution

National foreword
Committees responsible
Method
1. Scope and field of application
2. References
3. Principle
4. Apparatus
5. Sampling and samples
6. Procedure
7. Expression of results
8. Test report
Figure
Graph of repeatability rj and of reproducibility Rj as
a function of mean level Xj

Applies to ash levels not lower than 0.05% by mass.

This International Standard specifies a method for the determination of ash in the pitch for electrodes used in the production of aluminium.

The method is applicable to products (tar pitch, petroleum pitch, etc.) producing a quantity of ash greater than or equal to 0,05 % (m/m).

If it is required to express the result on the dry product, carry out the water determination by azeotropic distillation as specified in ISO 5939. Refer the result of the determination of ash obtained on the product as such, to the dry product.

NOTE This ash may be utilised for subsequent elemental analysis.

Committee	W/-
DevelopmentNote	Also numbered as ISO 8006 Supersedes 83/56064 DC (09/2005)
DocumentType	Standard
Pages	12
PublisherName	British Standards Institution
Status	Current

BS 6043-1.1:1981	Methods of sampling and test for carbonaceous materials used in aluminium manufacture. Electrode pitch Sampling
BS 6043-1.2:1981	Methods of sampling and test for carbonaceous materials used in aluminium manufacture. Electrode pitch Determination of water content (Dean and Stark method)
BS 5497-1:1979	Guide for the determination of repeatability and reproducibility for a standard test methodPrecision of test methods.

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BS 6043-1.8:1986

Methods of sampling and test for carbonaceous materials used in aluminium manufacture. Electrode pitch Determination of ash

Table of Contents

Abstract

Scope

General Product Information

Standards Referencing This Book

Category

Subcategory