GB/T 6730.21-2016
Iron ores.Determination of manganse content.Potassium periodate spectrophotometric method (English Version)

Standard No.
GB/T 6730.21-2016
Language
Chinese, Available in English version
Release Date
2016
Published By
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest
GB/T 6730.21-2016
Replace
GB/T 6730.21-1986
Scope
This part of GB/T 6730 specifies the potassium periodate spectrophotometric method for the determination of manganese content. This section applies to the determination of manganese content in iron ore, iron concentrate, sinter and pellets. Measuring range (mass fraction): 0.050%~5.00%.

GB/T 6730.21-2016 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
  • GB/T 12807 Laboratory glassware一Graduated pipettes*， 2021-05-21 Update
  • 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 6730.21-2016 history

  • 2016 GB/T 6730.21-2016 Iron ores.Determination of manganse content.Potassium periodate spectrophotometric method
  • 1986 GB/T 6730.21-1986 Method for chemical analysis of iron ores--The potassium periodate photometric method for the determination of manganese content
  • 0000 GB 1370-1978

GB/T 6730.21-2016 -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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