WARNING: Personnel using this section should have practical experience in formal laboratory work. This section does not address all possible security issues. It is the user's responsibility to take appropriate safety and health measures and ensure compliance with the conditions stipulated in the relevant national laws and regulations. This part of GB/T 6730 specifies the ion chromatography method for the determination of fluorine and chlorine content in iron ore. This section applies to the determination of fluorine and chlorine content in natural iron ore, iron concentrate, pellets and sinter. Measuring range (mass fraction): 0.005% to 4.00% for fluorine and 0.005% to 0.5% for chlorine.
GB/T 6730.69-2010 Referenced Document
GB/T 10322.1 Iron ores—Sampling and sample preparation procedures*, 2014-06-24 Update
GB/T 12808 Laboratory glass instrument single marked line pipette*, 2016-07-01 Update
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*, 2016-02-24 Update
GB/T 6730.69-2010 history
2011GB/T 6730.69-2010 Iron ores.Determination of fluoride and chloride content.Ion chromatography