This part of GB/T 5070 specifies the method for the determination of the amount of chromium trioxide by ferrous ammonium sulfate volumetric method. This section applies to the determination of the amount of chromium trioxide in magnesia-chrome refractories. The measurement range (mass fraction) is 1.00% to 50.00%.
GB/T 5070.10-2002 history
2015GB/T 5070-2015 Chemical analysis of refractories containing chrome
2007GB/T 5070-2007 Chemical analysis of refractories containing chrome
2002GB/T 5070.10-2002 Chemical analysis of magnesia chromite refractories--Part 10: Determination of chromium oxide--Ammonium ferrous sulfate volumetric method
GB/T 5070.10-2002 Chemical analysis of magnesia chromite refractories--Part 10: Determination of chromium oxide--Ammonium ferrous sulfate volumetric method was changed to GB/T 5070-2007 Chemical analysis of refractories containing chrome.