Objavljen
This third edition cancels and replaces the second edition (ISO 312-1980), of which it constitutes a minor revision. Specifies principle, reagents, apparatus, sample, procedure and expression of results. A figure gives an example of apparatus.
POVUČEN
ISO 312:1980
OBJAVLJEN
ISO 312:1986
90.93
Odluka o potvrđivanju standarda
25. 3. 2022.
NAPUŠTEN
ISO/WD 312