Повучен
The test sample is treated with sulphuric acid solution in a conical flask in boiling water bath for 3 h. The colour is measured by the method specified in ISO 2211. The results are expressed in Hazen units. - ISO 1389, Parts 1 to 11, replace ISO Recommendation R 1389-1970.
ПОВУЧЕН
ISO 1389-4:1977
95.99
Повучен
27. 5. 2002.
Anhidrid ftalne kiseline, tehnički - Određivanje boje posle tretiranja uzorka sumpornom kiselinom u jedinicama po Hazenu - Kolorimetrijska metoda
95.99 Повучен