This part of GB/T 6730 specifies the determination of cobalt content in iron ore by flame atomic absorption spectrometry. This section applies to the determination of cobalt content in iron ore, iron concentrate, sinter and pellet products. Measuring range (mass fraction): 0.000 7%~0.06%.
GB/T 6730.52-2018 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 6379.1 Accuracy(trueness and precision)of measurement methods and results Part 1:General principles and definitions
GB/T 6379.2 Accuracy(trueness and precision)of measurement methods and results-Part 2:Basic method for the determination of repeatability and reproducibility of a standard measurement method
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 7728 Chemical analysis of metallurgical products—General rule for flame atomic absorption spectrometric methods*, 2021-08-20 Update
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values
GB/T 6730.52-2018 history
2018GB/T 6730.52-2018 Iron ores.Determination of cobalt content.Flame atomic absorption spectrometric method
2004GB/T 6730.52-2004 Iron ores-Determination of cobalt content-Flame atomic absorption spectrometric method