ISO 2521:1974
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ISO 2521:1974
7457

Estado : Retirada

Resumen

Specifies the titration of any acidity present in an ethanolic solution with standard volumetric sodium hydoxide solution in the presence of phenol red as indicator. The end point of the titration corresponds to the formation of the salt Na2 HPO4 .

Informaciones generales

  •  : Retirada
     : 1974-04
    : Retirada de la Norma Internacional [95.99]
  •  : 1
     : 2
  • ISO/TC 47
    71.080.70 
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