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
YB/T 5335-2009
20243753-T-605
Steel slag-The determination of sodium oxide and potassium oxide
DB13/T 5090-2019
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
YS/T 629.4-2007
Chemical analysis methods of high purity alumina—Determination of potassium oxide—Flame atomic absorption spectrophotometric method
YB/T 6285-2024
DB63/T 1318-2014
YS/T 575.9-2007
Methods for chemical analysis of bauxite—Part 9:Determination of potassium oxide and sodium oxide content—Flame atomic absorption spectorphotometric method
20240145-T-605
Manganese ores and concentrates—Determination of potassium oxide and sodium oxide content—Flame atomic emission spectrometric method
GB/T 6609.6-2004
Chemical analysis methods and determination of physical performance of alumina—Determination of potassium oxide content-Flame photometric method
XB/T 631-2023
XB/T 625-2020