GB/T 5687.13-2021

Ferrochromium—Determination of chromium, silicon, manganese, titanium, vanadium, iron contents—Wavelength dispersive X-ray fluorescence spectrometry (fused cast bead method)

铬铁 铬、硅、锰、钛、钒和铁含量的测定 波长色散X射线荧光光谱法(熔铸玻璃片法)