YB/T 4726.11-2021
Ferric-containing dust and sludge—Determination of iron (Ⅱ) oxide content—Potassium dichromate titrimetric method
YB/T 4710-2018
YB/T 159.3-2015
Titanium concentrate (rock minerals) - Determination of ferrous oxide content - The potassium dichromate tirimetric method
YB/T 505.5-2007
Vanadium and titanium slag
HG/T 2956.5-2001
Ascharite ores-Determination of ferrous oxide content-Potassium dichromate volumetric method
GB/T 6730.8-2016(\u82f1\u6587\u7248)
铁矿石 亚铁含量的测定 重铬酸钾滴定法
YB/T 5328-2009
YB/T 547.1-2014
Vanadium slag - Determination of vanadium pentoxide content - Ammonium ferrous sulfate titrimetric method
YB/T 4218-2010
Vanadium pentoxide-Determination of vanadium pentoxide content-The ammonium persulfate oxidation titrimetric method
YB/T 4908.1-2021
Vanadium-aluminum alloy-Determination of vanadium content-Ammonium persulfate oxidation-ammonium ferrous sulfate titrimetric method
SN/T 3320.2-2012
YS/T 1416-2021
Methods for chemical analysis of nickel monoxide—Determination of copper, iron, zinc, calcium, magnesium, sodium, cobalt,cadmium,manganese and sulphur contents—Inductively coupled plasma atomic emission spectrometry
GB/T 37966-2019(\u82f1\u6587\u7248)
纳米技术 氧化铁纳米颗粒类过氧化物酶活性测量方法
HB 5220.15-2008
Methods for chemical analysis of superalloys-Part 15:Determination of chromium content by ammonium persulfate oxidation-ammonium iron (Ⅱ) volumetric method
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
HB 5220.12-2008
Methods for chemical analysis of superalloys-Part 12:Determination of manganese content by zion oxide separation--ammonium ferrous volumetric method
HB 5220.11-2008
Methods for chemical analysis of superalloys-Part 11:Determination of manganese content by ammonium nitrate oxidation-ammonium ferrous sulfate volumetric method
GB/T 6730.38-2017(\u82f1\u6587\u7248)
铁矿石 钴含量的测定 亚硝基-R盐分光光度法
EJ/T 1212.5-2008
Test methods for analysis of sintered gadolinium oxide-uranium dioxide pellets-Part 5:Determination of uranium content by ferrous sulfate reduction in phosphoric acid and dichromate titration method
HB/Z 5107.13-2004
Methods for analysis of chemical oxidation solution for magnesium alloy-Part 13:Determination of potassium bichromate、sodium bichromate content by ferrous titrimetric method