GB/T 223.35-1985 Methods for chemical analysis of iron,steel and alloy--The pulse heating inert gas fusion-coulometric titration method for the determination of oxygen content
This standard applies to the determination of oxygen content in steel. Measuring range: 0.002 to 0.10%. This standard complies with GB1467-78 "General Rules and General Provisions of Standards for Chemical Analysis Methods of Metallurgical Products". This standard is not applicable to the determination of oxygen content in powder, powder metallurgy products and iron and steel with manganese or aluminum content exceeding 1%.
GB/T 223.35-1985 history
1985GB/T 223.35-1985 Methods for chemical analysis of iron,steel and alloy--The pulse heating inert gas fusion-coulometric titration method for the determination of oxygen content