HG/T 5551-2019
DB37/T 2424-2013
HG/T 2956.3-2001
Ascharite ores-Determination of boric anhtdride content-Volumetric method
YBB 00232003-2015
Determination of Boron Oxide
GB/T 6609.16-2004
Chemical analysis methods and determination of physical performance of alumina--Determination of boron trioxide content--Curcumin spectrophotometric method
SJ/T 10903-1996
Determination of boron oxide(B2O3) in electronic glass
YB/T 6285-2024
YB/T 190.12-2014
Continuous casting mould powder - The determination of boron trioxide content - The inductively coupled plasma atomic emission spectrometric method
YB/T 6037-2022
YB/T 6055-2022
SN/T 0837.1-2011
Method for chemical analysis of arsenic trioxide for import and export-Part 1:Determination of arsenic trioxide content
HG/T 5548\uff5e5551-2019
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 15057.4-1994
Limestone for chemical industry--Determination of iron and aluminium oxides content--Gravimetric method
YB/T 505.3-2007
Vanadium and titanium slag
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
DB13/T 5588-2022
SN/T 1031.3-2001
YB/T 4583.1-2017
Mulite-Determination of silicon,ferrous,calsium,magnesium,mengnese and phosphorous content-Inductively coupled plasma atomic emission spectrometry