Повучен
Entrainment in a current of nitrogen of the gas extracted from the acidified and heated product, and fixing and oxidation of the gas by bubbling through a dilute solution of neutral hydrogen peroxid. Titration of the sulphuric acid formed with standard volumetric sodium hydroxide solution of nephelometric determination in the case of low contents.
ПОВУЧЕН
ISO 5379:1983
95.99
Повучен
19. 8. 2013.
ОБЈАВЉЕН
ISO 5379:2013
Skrobovi i proizvodi koji potiču od skrobova - ODREĐIVANJE SADRŽAJA SUMPOR-DIOKSIDA - Acidimetrijska i nefelometrijska metoda - (Identičan sa ISO 5379:1983)
95.99 Повучен