ISO 3401:1991
Specifies a direct and a indirect method. Describes the principle, the reagents, the apparatus, the sampling, the test procedures, the expression of results, and the contents of the test report. This second edition cancels and replaces the first edition (1977).
OEN:
ISO
Langue:
English
Code(s) de l'ICS:
65.160
Statut:
Publié
Date de Publication:
1991-11-27
Numéro Standard:
ISO 3401:1991