ISO 1616:1976
Glycerines for industrial use — Determination of sulphated ash — Gravimetric method
Reference number
ISO 1616:1976
Edición 1
1976-02
Retirada
ISO 1616:1976
6213
Retirada (Edición 1, 1976)

Resumen

The method is applicable to products yielding a quantity of sulphated ash equal to or less than 0.5 % (m/m). The principle is based on combustion of a test portion and calcination of the residue in the presence of sulphuric acid in a platinum or porcelain dish between 800 °C and 850 °C. Weighing of the residue thus obtained. - Replaces ISO Recommendation R 1616-1970.

Informaciones generales

  •  : Retirada
     : 1976-02
    : Retirada de la Norma Internacional [95.99]
  •  : 1
     : 2
  • ISO/TC 47
    71.080.60 
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