ISO 6138:1991
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Aluminium ores -- Experimental determination of the heterogeneity of constitution

This standard was last reviewed and confirmed* in 2010.

*Therefore this version remains current


Specifies an experimental method for determining the heterogeneity of constitution which is required for the determination of the minimum sample mass. Shows an example of typical calculation.


  • Document published on: 1991-09-12
    Edition: 1 (Monolingual) ICS: 73.060.40
    Status: Withdrawn Stage: 95.99 (2016-10-03)
    TC/SC: ISO/TC 79/SC 12 Number of Pages:
  • This standard has not been revised

  • No corrigenda or amendments available

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