GB/T 22661.10-2008
Chemical analysis methods of potassium fluoborade - Part 10: Determination of phosphorus pentoxide content - Molybdenum blue photometric method
GB/T 22662.9-2008
Chemical analysis methods of potassium fluotitanate - Part 9: Determination of phosphoruo content - Molybdenum blue photometric method
DZ/T 0452.1-2023
SN/T 3809-2014
Determination of potassium content in potassium chloride and potassium sulphate - X-ray fluorescence spectrometry
DB51/T 2045-2015
YB/T 190.5-2016
Continuous casting mold powder - Determination of potassium oxide and sodium oxide content - The flame atomic absorption spectrometric method
YB/T 4711-2018
JB/T 7948.7-2017
Methods for chemical analysis of welding fluxes-Part 7:Determination of sodium oxide and potassium oxide content
GB/T 6609.6-2018
Chemical analysis methods and determination of physical performance of alumina—Part 6:Determination of potassium oxide content
HG/T 5008~5009-2016
YB/T 5335-2009
20243753-T-605
Steel slag-The determination of sodium oxide and potassium oxide
YB/T 5041-2012
Molybdenum oxide-Determination of sulfur content-Combustion-potassium iodate volumetric method
DB13/T 5090-2019
GB/T 22661.3-2008
Chemical analysis methods of potassium fluoborade - Part 3: Determination of potassium fluoborade content - Distillation-sodium hydrogen oxidizes titration volumetric method
DB63/T 1423-2015
YB/T 4220-2010
Vanadium pentoxide-Determination of sodium oxide and potassium oxide content-The inductively coupled plasma atomic emission spectrometry
GB/T 3286.12-2023
Methods for chemical analysis of limestone and dolornite—Part 12:Determination of potassium oxide and sodium oxide contents—Flame atomic absorption spectrometry method
GB/T 1879-1995
Phosphate rock and concentrate--Determination of potassium oxide content--Flame atomic absorptionspectrometric method
YB/T 4583.2-2017
Mulite-Determination of potassium and sodium content-Inductively coupled plasma atomic emission spectrometry