YB/T 6055-2022
Steel slag Determination of Ferric oxide content EDTA titration method 钢渣 三氧化二铁含量的测定 EDTA滴定法 |
YB/T 6037-2022
Fused magnesia chrome sand Determination of content of magnesium oxide, aluminum oxide, silicon dioxide, calcium oxide, titanium dioxide, chromium oxide, and Ferric oxide by wavelength dispersive X-ray fluorescence spectrometry (melted casting method) 电熔镁铬砂 氧化镁、三氧化二铝、二氧化硅、氧化钙、二氧化钛、三氧化二铬、三氧化二铁含量的测定 波长色散X射线荧光光谱法(熔铸片法) |
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