ISO 3708:1976
Phosphoric acid for industrial use (including foodstuffs) — Determination of chloride content — Potentiometric method
Reference number
ISO 3708:1976
Edición 1
1976-11
Retirada
ISO 3708:1976
9183
Retirada (Edición 1, 1976)

Resumen

Applicable to products having Cl- contents, expressed as chlorine, equal to or more than 0.001 % (m/m). The lower limit can be extended downwards by using weaker standard reference and volumetric solutions. Describes potentiometric titration of the ions with silver nitrate solution in a nitric acid-acetone-water medium using a silver measurement electrode and a calomel reference electrode.

Informaciones generales

  •  : Retirada
     : 1976-11
    : Retirada de la Norma Internacional [95.99]
  •  : 1
     : 4
  • ISO/TC 47
  • RSS actualizaciones

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