This International Standard specifies a gravimetric method for the determination of silicon in aluminium and aluminium alloys. The method is applicable to the determination of silicon content greater than or equal to 0,30 %. The method does not apply completely to the following special cases for which it should be modified as described in Annex A or Annex B : a) aluminium-silicon alloys (silicon content greater than 3 %) and aluminium-magnesium alloys (see Annex A); b) aluminium alloys containing tin or antimony (see Annex B).
GSO ISO 797:2015 history
2015GSO ISO 797:2015 Aluminium and aluminium alloys -- Determination of silicon -- Gravimetric method