GB/T 24583.1-2019(\u82f1\u6587\u7248)
钒氮合金 钒含量的测定 硫酸亚铁铵滴定法
GB/T 5195.18-2018
Fluorspar—Determination of barium sulfate content—Gravimetric method
GB/T 32784-2016
Pig iron contenting nickel—Determination of chromium content—Ammonium per sulfate-ammonium ferrous sulfate titration method
GB/T 4701.2-2009
Ferrotitanium - Determination of silicon content - The sulphuric acid dehydration gravimetric method
GB/T 6730.16-2016
Iron ores—Determination of sulfur content—Barium sulfate gravimetric method
GB/T 6730.29-2016
Iron ores—Determination of barium content—Barium sulfate grarimetric method
YB/T 6013.1-2022
HG/T 6108-2022
DB37/T 2735-2015
YB/T 4908.1-2021
Vanadium-aluminum alloy-Determination of vanadium content-Ammonium persulfate oxidation-ammonium ferrous sulfate titrimetric method
YB/T 4566.5-2016
Ferrovanadium nitride-Determination of silicon content-The sulphuric acid dehydration-gravimetric method
HG/T 2957.4-2004
YB/T 5040-2012
Molybdenum oxide-Determination of sulfur content-Gravimetric method of barium sulfate
YB/T 109.2-2012
Silicon barium alloy-Determination of barium content-The barium sulfate gravimetric method
HB/Z 5088.1-1999
DB13/T 1229-2010
YB/T 5332-2009
HG/T 3614-1999
Standard Test Method for Sulfonic and Sulfuric Acids in Alkylbenzene Sulfonic Acids
AS 2508.8.010-1984
Safe storage and handling information card - Sulfuric acid (containing up to 98% (m/m) acid in water)
GB/T 11198.1-1989
Sulphuric acid for industrial use--Determination of sulphuric acid content and calculation of free sulphur trioxide content of oleum--Titrimetric method