Повучен
This method is applicable to non-alloy and low-alloy steels containing between 0.002 % (m/m) and 0.050 % (m/m) of nitrogen and less than 0.6 % (m/m) of silicon. It allows the determination only of the nitrogen content which can be converted to an ammonium salt. Specifies principle, reagents, apparatus, sampling, procedure, expression of results and test report.
ПОВУЧЕН
ISO 4945:1977
95.99
Повучен
16. 10. 2018.
ОБЈАВЉЕН
ISO 4945:2018
Čelik - Određivanje sadržaja azota – Spektrofotometrijska metoda
95.99 Повучен