Reference number
ISO 3236:1975
ISO 3236:1975
Sodium sulphate for industrial use — Determination of chlorides content — Mercurimetric method
Edition 1
1975-07
Retirada
ISO 3236:1975
8446
Retirada (Edición 1, 1975)

Resumen

Applicable to products the content of which expressed as chlorine exceeds 0.005 % (m/m). If the analyst can easily detect the indicator's colour change using a 0.02 N standard volumetric mercury(II) nitrate solution the method can, subjected to agreement, be extended to products the content of which exceeds 0.001 % (m/m). The titration of the chloride ions (Cl- ) is carried out with a 0.1 N standard volumetric solution of mercury(II) nitrate in the presence of 1,5-diphenylcarbazone as indicator.

Informaciones generales

  •  : Retirada
     : 1975-07
    : Retirada de la Norma Internacional [95.99]
  •  : 1
     : 4
  • ISO/TC 47
    71.060.50 
  • RSS actualizaciones

¿Tiene alguna duda?

Consulte nuestras Ayuda y asistencia