This part of GB/T 6730 specifies the determination of calcium content by flame atomic absorption spectrometry. This section applies to the determination of calcium content in iron ore, iron concentrate, sinter and pellets. Measuring range (mass fraction): 0.030%~1.50%.
GB/T 6730.14-2017 Referenced Document
GB/T 10322.1 Iron ore sampling and sample preparation methods*, 2023-08-06 Update
GB/T 12808 Laboratory glass instrument single marked line pipette
GB/T 6682 Water for analytical laboratory use.Specification and test methods
GB/T 6730.1 Iron ores.Preparation of predried test samples for chemical analysis
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values
GB/T 6730.14-2017 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