Reference number
ISO 6656:1984
ISO 6656:1984
Animal and vegetable fats and oils — Determination of polyethylene-type polymers
Edition 1
1984-12
Retirada
ISO 6656:1984
13083
Retirada (Edición 1, 1984)

Resumen

Specifies the reference method. Below 50 mg of polymers per kilogram the presicion of the method is insufficient. The method consists in dissolving of a test portion in chloroform, after acid treatment, then filtrating through a sintered filter crucible, washing the crucible and its content, drying and weighing, followed by extraction of the polymers from the insoluble matter by boiling tetrachloroethylene, drying the crucible with its content and weighing again.

Informaciones generales

  •  : Retirada
     : 1984-12
    : Retirada de la Norma Internacional [95.99]
  •  : 1
     : 3
  • ISO/TC 34/SC 11
    67.200.10 
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