GB/T 5686.9-2023
錳鐵、錳硅合金、氮化錳鐵和金屬錳 錳、硅、磷和鐵含量的測定 波長色散X射線熒光光譜法(熔鑄玻璃片法)
Determination of the contents of ferromanganese, manganese-silicon alloys, ferromanganese nitride and metallic manganese-manganese, silicon, phosphorus and iron by wavelength dispersive X-ray fluorescence spectrometry (cast glass plate method)
GBT5686.9-2023, GB5686.9-2023