HG/T 5759-2020
HG/T 4354-2012
HG/T 4679-2014
Test method of iron oxide desulfurization sorbent at medium temperature
HG/T 4854-2015
Analytical method of chemical composition in iron oxide desulfurization sorbent at room temperature
YB/T 6284-2024
HG/T 5198-2017
Analytical method of chemical composition in iron oxide\r desulfurization sorbent at medium temperature
YB/T 4909.1-2021
Analytical method of calcium-based desulfurizer for steelmaking hot metal pretreatment-Part 1:Determination of silicon dioxide content-Perchloric acid dehydration gravimetric method
YB/T 4909.4-2021
Analytical method of calcium-based desulfurizer for steelmaking hot metal pretreatment-Part 4:Determination of active calcium oxide content-EDTA complexometric titration and acid base titration method
SH/T 0963-2017
HG/T 5759\uff5e5762-2020
QJ 1591.1-1989