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ISO 8658:1997

Carbonaceous materials for use in the production of aluminium -- Green and calcined coke -- Determination of trace elements by flame atomic absorption spectrometry

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:

Calcium0,025 % (m/m)
Chromium0,005 % (m/m)
Copper0,025 % (m/m)
Iron0,030 % (m/m)
Lead0,010 % (m/m)
Magnesium0,010 % (m/m)
Manganese0,001 % (m/m)
Nickel0,050 % (m/m)
Silicon0,100 % (m/m)
Vanadium0,100 % (m/m)
Zinc0,004 % (m/m)

CONTENT PROVIDER
International Organization for Standardization [iso]

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