GB/T 6730.14-1986 Methods for chemical analysis of iron ores--The flame atomic absorption spectrophotometric method for the determination of calcium and magnesium content (English Version)
This standard applies to the determination of calcium and magnesium in iron ore, iron concentrate, sinter and pellets. Measuring range: calcium 0.03-1.50%; magnesium 0.005-1.20%.
GB/T 6730.14-1986 history
2017GB/T 6730.14-2017 Iron ores.Determination of calcium content.Flame atomic absorption spectrometric method
1986GB/T 6730.14-1986 Methods for chemical analysis of iron ores--The flame atomic absorption spectrophotometric method for the determination of calcium and magnesium content