BS 6043-1.12:1994
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Method of sampling and test for carbonaceous materials used in aluminium manufacture. Electrode pitch. Determination of mesophase content
Hardcopy , PDF
English
15-06-1994
22-05-2026
Committees responsible
Foreword
Method
1. Scope
2. References
3. Definitions
4. Principle
5. Apparatus
6. Sampling and preparation of test sample
7. Procedure
8. Calibration and expression of results
9. Test report
Annexes
A. (informative) Guidance on the polishing of pitch
samples
B. (informative) Guidance on scoring hits and half-hits
C. (normative) Point counting
Figures
1. Typical microscopic appearance of mesophase
particles under polarized light
A.1 Satisfactory polished surface
A.2 Marginally unacceptable polished surface
B.1 Scoring of point-counting hits
List of references
Should be read in conjunction with BS 6043: Section 1.1 Describes a method for the determination of the mesophase content of electrode binder pitch by a microscopic point counting procedure. Coverage includes definitions, apparatus, procedure, and calibration and expression of results. Also gives detailed diagrams and annexes.
| Committee |
W/-
|
| DevelopmentNote |
Supersedes 93/505981 DC (09/2005) Reviewed and confirmed by BSI, January 2011. (12/2010)
|
| DocumentType |
Standard
|
| Pages |
16
|
| PublisherName |
British Standards Institution
|
| Status |
Withdrawn
|
| Supersedes |
Withdrawn:This standard is no longer used
| BS 6043-1.1:1981 | Methods of sampling and test for carbonaceous materials used in aluminium manufacture. Electrode pitch Sampling |
| BS 6043-1.3:1983 | Methods of sampling and test for carbonaceous materials used in aluminium manufacture. Electrode pitch Determination of softening point (ring and ball method) |
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