HG/T 2775-2010
Chromium oxide for industrial use
YB/T 6037-2022
GB/T 6609.8-2004
Chemical analysis methods and determination of physical performance of alumina--Determination of chromium sesquioxide content--Diphenyl carbazide photometric method
GB/T 38216.1-2019
Steel slag—Determination content of chromic oxide—Diphenyl carbazide spectrophotometry method
YB/T 6285-2024
SN/T 4306-2015
Determination of chromium oxide content in chromeore - Automatic potentiometric titration with microwave digestion method
YB/T 6055-2022
HB/Z 339.1-1999
SN/T 0837.1-2011
Method for chemical analysis of arsenic trioxide for import and export-Part 1:Determination of arsenic trioxide content
KS M 1308-2019(2024)
Dichromium trioxide
DB23/T 3328-2022
GB/T 15057.4-1994
Limestone for chemical industry--Determination of iron and aluminium oxides content--Gravimetric method
SN/T 3322.2-2015
Chemical analysis of titanium concentrates - Part 2:Determination of vanadium pentaoxide and chromium sesquioxide content - Inductively coupled plasma atomic emission spectrometry
YB/T 505.3-2007
Vanadium and titanium slag
HG/T 2775-1996
GB/T 5121.29-2015
Methods for chemical analysis of copper and copper alloys—Part 29: Determination of aluminium oxide content
GB/T 6609.4-2004
Chemical analysis methods and determination of physical performance of alumina--Determination of ferric oxide content--Orthophenanthroline photometric method
GB/T 8152.3-2006
Methods for chemical analysis of lead concentrates―Determination of aluminium(III)oxide content―Chromazurol S spectrophotometric method
DB13/T 5588-2022
SN/T 1031.3-2001