This part of GB/T 5070 specifies the method for the determination of the amount of titanium dioxide by diantipyrine methane spectrophotometry. This section applies to the determination of the amount of titanium dioxide in magnesia chromium refractories. The measurement range (mass fraction) is 0.01% to 0.50%.
GB/T 5070.5-2002 history
2015GB/T 5070-2015 Chemical analysis of refractories containing chrome
2007GB/T 5070-2007 Chemical analysis of refractories containing chrome
2002GB/T 5070.5-2002 Chemical analysis of magnesia chromite refractories--Part 5: Determination of titanium dioxide--Diantipylmethane photometric method
GB/T 5070.5-2002 Chemical analysis of magnesia chromite refractories--Part 5: Determination of titanium dioxide--Diantipylmethane photometric method was changed to GB/T 5070-2007 Chemical analysis of refractories containing chrome.