Iron ores. Determination of tin. Flame atomic absorption spectrometric method1 Scope This International Standard specifies a flame atomic absorption spectrometric method for the determination of the mass fraction of tin in iron ores. This method is applicable to mass fractions of tin between 0,001 % and 0,015 % in natural iron ores, iron ore concentrates and agglomerates, including sinter products.

Test severities and requirements prescribed in detail specifications referring to this sectional specification are of equal or higher performance levels

While this standard provides general rules

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ISO 21494 applies to magnetic tests on several levels:

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qualification approval and its maintenance consist of three consecutive lots passing Test Groups A1 and B1 followed by a selection of specimens from the lots as appropriate

BS EN 61158-4-16 outlines:

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