DB53/T 639.7-2014 DB53/T 639.7-2014 Direct reduction iron chemical analysis method Part 7: Determination of multiple elements by X-ray fluorescence spectroscopy

Scope

This part specifies the determination methods for the contents of silicon dioxide, calcium oxide, magnesium oxide, phosphorus, aluminum oxide, manganese, titanium dioxide, potassium oxide, and copper in direct reduction iron. This part is applicable to the determination of the contents of silicon dioxide, calcium oxide, magnesium oxide, phosphorus, aluminum oxide, manganese, titanium dioxide, potassium oxide, and copper in direct reduction iron. The determination ranges (mass fractions) of each component are shown in Table 1. Table 1 Determination Ranges of Each Component Component Determination Range (Mass Fraction) % SiO2 0.25–10.00 CaO 0.10–10.00 MgO 0.10–10.00 P 0.010–2.00 Al2O3 0.10–14.00 Mn 0.10–5.00 TiO2 0.010–10.00 K2O

Development Information

Same series standard

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