Povučen
The principle consists in treatment of a test portion with sufphuric acid solution under specified conditions, comparison of the colour developed with that of the same volume of an agreed colour standard. By agreement between the interested parties, the colour developed may be measured in Hazen units (platinum-cobalt scale).
POVUČEN
ISO/R 755:1968
POVUČEN
ISO 755-3:1981
95.99
Povučen
27. 5. 2002.
Butan-1-ol, tehnički - Određivanje boje posle tretiranja uzorka sumpornom kiselinom u jedinicama po Hazenu - Kolorimetrijska metoda
95.99 Povučen