GB/T 6730.28-2006
Iron ores.Determination of fluorine content.Ion-selective electrode method (English Version)

Standard No.
GB/T 6730.28-2006
Language
Chinese, Available in English version
Release Date
2006
Published By
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Status
 2022-07
Replace By
GB/T 6730.28-2021
Latest
GB/T 6730.28-2021
Replace
GB/T 6730.28-1986
Scope
WARNING: Personnel using this standard should have practical experience in formal laboratory work. This standard does not address all possible safety 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 standard specifies the ion selective electrode method for the determination of fluorine content. This standard applies to the determination of fluorine content in natural iron ore, iron concentrate and man-made iron ore. Measuring range (mass fraction): 0.005% to 3.00%.

GB/T 6730.28-2006 Referenced Document

  • GB/T 10322.1 Iron ore sampling and sample preparation methods*， 2023-08-06 Update
  • GB/T 12806 Laboratory glassware.One-mark volumetric flasks *， 2011-12-30 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 6730.1 Iron ores.Preparation of predried test samples for chemical analysis*， 2016-02-24 Update

GB/T 6730.28-2006 history

  • 2021 GB/T 6730.28-2021 Iron ores—Determination of fluorine content—Ion-selective electrode method
  • 2006 GB/T 6730.28-2006 Iron ores.Determination of fluorine content.Ion-selective electrode method
  • 1986 GB/T 6730.28-1986 Methods for chemical analysis of iron ores--The ion-selective electrode method for the determination of fluorine content
Iron ores.Determination of fluorine content.Ion-selective electrode method

GB/T 6730.28-2006 -All Parts

GB/T 6730.1-2016 Iron ores.Preparation of predried test samples for chemical analysis GB/T 6730.10-2014 Iron ores.Determination of silicon content.Gravimetric methods GB/T 6730.11-2007 Iron ores.Determination of aluminium content.EDTA titrimerric method GB/T 6730.12-2016(英文版) Iron ores—Determination of aluminumcontent—Chrome azurol S spectrophotometric method GB/T 6730.13-2007 Iron ores.Determination of calcium and magnesium content.EGTA-CyDTA titrimetric method GB/T 6730.14-2017 Iron ores.Determination of calcium content.Flame atomic absorption spectrometric method GB/T 6730.15-1986 Methods for chemical analysis of iron ores--The complexometric method for the determination of magnesium content GB/T 6730.16-2016(英文版) Iron ores—Determination of sulfur content—Barium sulfate gravimetric method GB/T 6730.17-2014 Iron ores.Determination of sulfur content.Combustion iodometric method GB/T 6730.18-2006 Determination of phosphorus content in iron ore molybdenum blue spectrophotometric method GB/T 6730.19-2016(英文版) Iron ores—Determination of phosphorus content—Bismuth phosphomolybdateblue spectrophotometric method GB/T 6730.2-2018 Iron ores—Determination of moisture content—Gravimetric method GB/T 6730.20-2016 Iron ores—Determination of phosphorus content—Titrimetric method GB/T 6730.21-2016 Iron ores.Determination of manganse content.Potassium periodate spectrophotometric method GB/T 6730.22-2016 Iron ores—Determination of titanium content—Diantipyrylmethane spectrophotometric method GB/T 6730.23-2006 Iron ores Determination of titanium content the ferric ammonium sulfate titrimetric mehtod GB/T 6730.24-2006 Iron ores Determination of total rare earth contentd Chlorophosphonazo mA spectrophotometric method GB/T 6730.25-2021 Iron ores—Determination of total rare earth contents—Oxalate gravimetric method GB/T 6730.26-2017 Iron ores—Determination of fluorine content—Thorium nitrate titrimetric method GB/T 6730.27-2017 Iron ores—Determination of fluorine content—Lanthanum-alizarin complexion spectrophotometric method GB/T 6730.28-2021 Iron ores—Determination of fluorine content—Ion-selective electrode method GB/T 6730.29-2016 Iron ores—Determination of barium content—Barium sulfate grarimetric method GB/T 6730.3-2017 Iron ores—Determination of hygroscopic moisture in analytical samples—Gravimetric, Karl Fischer and mass-loss methods


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