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ISO 4295:1988

Manganese ores and concentrates -- Determination of aluminium content -- Photometric and gravimetric methods

This standard has been reviewed and then confirmed in 2008 
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Abstract

The photometric method (A) is applicable to products having aluminium contents from 0,1 to 1,5 % (m/m), the oxine gravimetric method (B) is applicable to products having aluminium contents over 1,5 % (m/m). Cancels and replaces the first edition (ISO 4295:1978), of which it constitutes a technical revision. Should be read in conjunction with ISO 4297.

 

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