ISO 17925:2004

Current Revision
Zinc and/or aluminium based coatings on steel - Determination of coating mass per unit area and chemical composition - Gravimetry, inductively coupled plasma atomic emission spectrometry and flame atomic absorption spectrometry

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ISO 17925:2004

Zinc and/or aluminium based coatings on steel - Determination of coating mass per unit area and chemical composition - Gravimetry, inductively coupled plasma atomic emission spectrometry and flame atomic absorption spectrometry

PUBLISH DATE 2004
ISO 17925:2004

ISO 17925:2004 specifies methods of determining the coating mass per unit area by gravimetry and chemical composition on one side-surface of zinc- and/or aluminium-based coatings on steel by means of inductively coupled plasma atomic emission spectrometric or flame atomic absorption spectrometry.

This method is applicable to the following mass fractions:

  • zinc contents between 40 % and 100 %;
  • aluminium contents between 0.02 % and 60 %;
  • nickel contents between 7 % and 20 %;
  • iron contents between 0.2 % and 20 %;
  • silicon contents between 0.2 % and 10 %;
  • lead contents between 0.005 % and 2 %.

These test methods are intended as referee methods to test such materials for compliance with mass per unit area and compositional specifications of International Standards.

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