Povučen
Establishes criteria for the purity and describes the test methods for insoluble matter content, heavy metals content, iron content, alkalinity, reaction to ammoniacal silver nitrate, thiosulfate, appearance of solution.
POVUČEN
ISO 418:1976
POVUČEN
ISO 418:1994
95.99
Povučen
20. 12. 2001.
OBJAVLJEN
ISO 418:2001