NF A21-105
NF A21-105

NF A21-105

December 1975
Published document Cancelled

Chemical analysis of chromium ores. Determination of chromium oxide. Titrimetric method

Main informations

Collections

National standards and national normative documents

Publication date

December 1975

Number of pages

6 p.

Reference

NF A21-105

ICS Codes

73.060.30   Chromium ores

Classification index

A21-105

Print number

1 - décembre 1984

International kinship

ISO 6331:1983
ZOOM ON ... the Requirements department

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!


New: UPSELL service
Need to identify, monitor and decipher standards?