GB/T 5069.7-2001 Chemical analysis of magnesia and magnesia-alumina refractory materials--EDTA titrametric method for determination of aluminium oxide content (English Version)
This standard specifies the method for determining the amount of alumina by EDTA titration. This standard applies to the determination of the amount of alumina in magnesia and magnesium-aluminum (aluminum-magnesium) refractory raw materials and products. The measurement range is 2.00% to 95.00%.
GB/T 5069.7-2001 history
2015GB/T 5069-2015 Chemical analysis of magnesia-alumina refractories
2007GB/T 5069-2007 Chemical analysis of magnesia-alumina refractories
2001GB/T 5069.7-2001 Chemical analysis of magnesia and magnesia-alumina refractory materials--EDTA titrametric method for determination of aluminium oxide content
GB/T 5069.7-2001 Chemical analysis of magnesia and magnesia-alumina refractory materials--EDTA titrametric method for determination of aluminium oxide content was changed to GB/T 5069-2007 Chemical analysis of magnesia-alumina refractories.