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BS 6043-2.3:1997

BS 6043-2.3:1997

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Methods of sampling and test for carbonaceous materials used in aluminium manufacture. Electrode coke Determination of trace elements in green and calcined coke by flame atomic absorption spectroscopy

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

15-09-1997

Publisher

British Standards Institution

Gives a method of determining trace elements in green and calcined coke having an ash content not in excess of 1% (m/m) with specified individual concentrations.

This International Standard describes a method for the determination of trace elements in green and calcined coke with an ash content of not greater than 1 % (m/m) and with individual concentrations not greater than the following:

Calcium 0,025 % (m/m)
Chromium 0,005 % (m/m)
Copper 0,025 % (m/m)
Iron 0,030 % (m/m)
Lead 0,010 % (m/m)
Magnesium 0,010 % (m/m)
Manganese 0,001 % (m/m)
Nickel 0,050 % (m/m)
Silicon 0,100 % (m/m)
Vanadium 0,100 % (m/m)
Zinc 0,004 % (m/m)

NOTE A method for the determination of ash of cokes is given in ISO 8005:1984, Carbonaceous materials used in the production of aluminium — Green and calcined coke — Determination of ash. However, it is essential that the ash produced by that method not be used in the procedure of this International Standard because of the risk of contamination by trace elements.

Committee
W/-
DevelopmentNote
Also numbered as ISO 8658 Supersedes 95/125073 DC and BS 6043-2.3(1989) (09/2005)
DocumentType
Standard
Pages
16
PublisherName
British Standards Institution
Status
Current
Supersedes

ISO 385-2:1984 Laboratory glassware Burettes Part 2: Burettes for which no waiting time is specified
ISO 1042:1998 Laboratory glassware One-mark volumetric flasks
ISO 835-1:1981 Laboratory glassware Graduated pipettes Part 1: General requirements
ISO 3696:1987 Water for analytical laboratory use — Specification and test methods
ISO 6375:1980 Carbonaceous materials for the production of aluminium Coke for electrodes Sampling

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