Objavljen
The method is applicable to products having phosphorus contents from 0,02 to 0,5 % (m/m). ISO 4293 should be read in conjunction with ISO 4297. Specifies principle, reagents, apparatus, sample, procedure and expression of results.
POVUČEN
ISO/R 321:1963
OBJAVLJEN
ISO 4293:1982
90.93
Odluka o potvrđivanju standarda
25. 3. 2022.
NAPUŠTEN
ISO/CD 4293