GB/T 5069.12-2001 Chemical analysis of magnesia and magnesia-alumina refractory materials--Flame atomic absorption spectrometric method for determination of manganese oxide content (English Version)
This standard specifies the method for determining the amount of magnesium oxide by flame atomic absorption spectrometry. This standard applies to the determination of the amount of magnesium oxide in magnesia, magnesium-aluminum (aluminum-magnesium) refractory raw materials and products, and the measurement range is 0.010% to 0.5.0%.
GB/T 5069.12-2001 history
2015GB/T 5069-2015 Chemical analysis of magnesia-alumina refractories
2007GB/T 5069-2007 Chemical analysis of magnesia-alumina refractories
2001GB/T 5069.12-2001 Chemical analysis of magnesia and magnesia-alumina refractory materials--Flame atomic absorption spectrometric method for determination of manganese oxide content
GB/T 5069.12-2001 Chemical analysis of magnesia and magnesia-alumina refractory materials--Flame atomic absorption spectrometric method for determination of manganese oxide content was changed to GB/T 5069-2007 Chemical analysis of magnesia-alumina refractories.