This standard specifies the determination of aluminum content in iron ore by flame atomic absorption spectrometry. This standard applies to natural iron ore, iron concentrate and sintered ore, including the determination of aluminum content in sintered products. Measuring range (mass fraction): 0.1% to 5.0%.
GB/T 6730.56-2004 history
2019GB/T 6730.56-2019 Iron ores—Determination of aluminum content—Flame atomic absorption spectrometric method
2004GB/T 6730.56-2004 Iron ores-Determination of aluminum content-Flame atomic absorption spectrometric method