NF ISO 4694

Iron ores. Determination of fluorine content. Ion-selective electrode method.

Cette norme, applicable aux minerais de fer naturels, concentrés ou agglomérés, y compris les produits frittés, décrit une méthode,de dosage du fluor par ionométrie, pour des teneurs en fluor comprises entre 0,005 % et 1 %.

To comply with a standard, you need to quickly understand its issues in order to determine its impact on your activity.

The Requirements department helps you quickly locate within the normative text:
- mandatory clauses to satisfy,
- non-essential but useful clauses to know, such as permissions and recommendations.

The identification of these types of clauses is based on the document “ISO / IEC Directives, Part 2 - Principles and rules of structure and drafting of ISO documents ”as well as on a constantly enriched list of verbal forms.

With Requirements, quickly access the main part of the normative text!