Home / Standards / GB/T 40311-2021 GB/T 40311-2021 Active Vanadium slag—Determination of multi-element contents—Wavelength dispersive X-ray fluorescence spectrometry(fused cast bead method) 钒渣 多元素的测定 波长色散X射线荧光光谱法(熔铸玻璃片法) Standard Type GBT ICS 77.100 CCS H11 Status 现行 Issue Date 2021-08-20 Implementation 2022-03-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A