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

This standard was last reviewed* in 2010.

*ISO standards are reviewed every five years.


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: Published Stage: 90.93 (2010-12-20)
    TC/SC: ISO/TC 79/SC 12 Number of Pages: 3
  • No revision information available

  • No corrigenda or amendments available

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