This standard specifies the requirements, test methods, inspection rules and quality certificates for iron sand recovery from red mud. This standard applies to iron sand used as industrial raw material for recycling red mud obtained from the Bayer process alumina production process.
YS/T 787-2012 Referenced Document
GB/T 2007.1 General rules for the sampling and sample preparation of minerals in bulk--Sampling by manual method
GB/T 2007.2 General rules for the sampling and sample preparation of minerals in bulk--Manual method of sample preparation
GB/T 2007.3 General rules for the sampling and sample preparation of minerals in bulk--Experimental method for evaluation of quality variation
GB/T 2007.4 General rules for the sampling and sample preparation of minerals in bulk-Experimental methods for checking the precision and bias
GB/T 2007.5 General rules for the sampling and sample preparation of minerals in bulk--Experimental method for checking the bias of sampling
GB/T 2007.6 General rules for the sampling and sample preparation of minerals in bulk--Determination of moisture content--Heat drying method
GB/T 2007.7 General rules for the sampling and sample preparation of minerals in bulk--The method for determination of size by manual sieving
GB/T 6730.1 Iron ores.Preparation of predried test samples for chemical analysis*, 2016-02-24 Update
GB/T 6730.10 Iron ores.Determination of silicon content.Gravimetric methods*, 2014-09-30 Update
GB/T 6730.11 Iron ores.Determination of aluminium content.EDTA titrimerric method
GB/T 6730.12 Iron ores—Determination of aluminumcontent—Chrome azurol S spectrophotometric method
GB/T 6730.13 Iron ores.Determination of calcium and magnesium content.EGTA-CyDTA titrimetric method
GB/T 6730.14 Iron ores.Determination of calcium content.Flame atomic absorption spectrometric method*, 2017-10-14 Update
GB/T 6730.15 Methods for chemical analysis of iron ores--The complexometric method for the determination of magnesium content
GB/T 6730.16 Iron ores—Determination of sulfur content—Barium sulfate gravimetric method
GB/T 6730.17 Iron ores.Determination of sulfur content.Combustion iodometric method*, 2014-09-30 Update
GB/T 6730.18 Determination of phosphorus content in iron ore molybdenum blue spectrophotometric method
GB/T 6730.19 Iron ores—Determination of phosphorus content—Bismuth phosphomolybdateblue spectrophotometric method
GB/T 6730.2 Iron ores—Determination of moisture content—Gravimetric method*, 2018-05-14 Update
GB/T 6730.20 Iron ores—Determination of phosphorus content—Titrimetric method*, 2016-10-13 Update
GB/T 6730.21 Iron ores.Determination of manganse content.Potassium periodate spectrophotometric method*, 2016-10-13 Update
GB/T 6730.22 Iron ores—Determination of titanium content—Diantipyrylmethane spectrophotometric method*, 2016-12-13 Update
GB/T 6730.23 Iron ores Determination of titanium content the ferric ammonium sulfate titrimetric mehtod
GB/T 6730.24 Iron ores Determination of total rare earth contentd Chlorophosphonazo mA spectrophotometric method
GB/T 6730.25 Iron ores—Determination of total rare earth contents—Oxalate gravimetric method*, 2021-12-31 Update
GB/T 6730.26 Iron ores—Determination of fluorine content—Thorium nitrate titrimetric method*, 2017-09-07 Update
GB/T 6730.27 Iron ores—Determination of fluorine content—Lanthanum-alizarin complexion spectrophotometric method*, 2017-07-31 Update
GB/T 6730.28 Iron ores—Determination of fluorine content—Ion-selective electrode method*, 2021-12-31 Update
GB/T 6730.29 Iron ores—Determination of barium content—Barium sulfate grarimetric method*, 2016-12-13 Update
GB/T 6730.3 Iron ores—Determination of hygroscopic moisture in analytical samples—Gravimetric, Karl Fischer and mass-loss methods*, 2017-10-14 Update
GB/T 6730.30 Iron ores—Determination of chromium content—Diphenyl carbazide spectrophotometric method*, 2017-09-07 Update
GB/T 6730.31 Iron ores—Determination of vanadium—N-benzoyl-N-phenylhydroxylamine extraction spectrophotometric method*, 2017-09-07 Update
GB/T 6730.32 Iron ores.Determination of vanadium content.The ammonium ferrous sulfate titrimetric method*, 2013-05-09 Update
GB/T 6730.33 Methods for chemical analysis of iron ores--The oscilloscopic polarography method for the determination of tin content
GB/T 6730.34 Iron ores—Determination of tin content—Pyrocatechol violet cetyl trimet hylamine bromide spectrophotometric method*, 2017-09-07 Update
GB/T 6730.35 Iron ores—Determination of copper content—Oxalic acid bis-cyclohexylidene hydragide (cuprizone) spectrophotometric method*, 2016-10-13 Update
GB/T 6730.36 Iron ores.Determination of copper content.Flame atomic absorption spectrometric method*, 2016-02-24 Update
GB/T 6730.37 Iron ores—Determination of cobalt content—4-[(5-chloro-2-pyridyl)azo]-1,3-diamino-benzene spectrophotometric method*, 2017-09-07 Update
GB/T 6730.38 Iron ores—Determination of cobalt content—Nltroso-R salt spectrophotometric method*, 2017-09-07 Update
GB/T 6730.39 Iron ores—Determination of nickle content—Dimetylglyoxime spectrophotometric method*, 2017-09-07 Update
GB/T 6730.4 Methods for chemical analysis of iron ores--The stannous chloride-mercuric chloride-potassium dichromate volumetric method for the determination of total iron content
GB/T 6730.40 Methods for the chemical analysis of iron ores--The polarography method for the determination of nickel content
GB/T 6730.41 Methods for chemical analysis of iron ores--The oscilloscopic polarography method for the determination of lead content
GB/T 6730.42 Iron ores—Determination of lead content—Dithizone spectrophotometric method*, 2017-09-07 Update
GB/T 6730.43 Methods for chemical analysis of iron ores--The oscilloscopic polarography method for the determination of zinc content
GB/T 6730.44 Iron ores—Determination of zinc content—1-(2-pyridylazo)-2-naphthol spectrophotometric method*, 2017-09-07 Update
GB/T 6730.45 Iron ores Determination of arsenic content Arseno-molybdenum blue spectrophotometric method after hydrogen arsenide separation
GB/T 6730.46 Iron ores Determination of arsenic content Arseno-molybdenum blue spectrophotometric method after the distillation separation
GB/T 6730.47 Iron ores—Determination of niobium content—Sulfochlorophenol S spectrophotometric method*, 2017-09-07 Update
GB/T 6730.48 Iron ores—Determination of bismuth content— Dithiodiantipyryl methane spectrophotometric method*, 2021-12-31 Update
GB/T 6730.49 Iron ores.Determination of potassium content.Flame atomic absorption spectrometric method*, 2017-10-14 Update
GB/T 6730.5 Iron ores—Determination of total iron content—Titrimetric methods after titanium(III) chloride reduction*, 2022-04-15 Update
GB/T 6730.50 Iron ores—Determination of carbon content—Gas volumetric method*, 2016-12-30 Update
GB/T 6730.51 Iron ores—Determination of carbon content in carbonate—The caustic asbestos absorption gravimetric method*, 2023-05-23 Update
GB/T 6730.52 Iron ores.Determination of cobalt content.Flame atomic absorption spectrometric method*, 2018-05-14 Update
GB/T 6730.53 Iron ores-Determination of zinc content-Flame atomic absorption spectrometric method
GB/T 6730.54 Iron ores-Determination of lead content-Flame atomic absorption spectrometric method
GB/T 6730.55 Iron ores—Determination of tin content—Flame atomic absorption spectrometric method*, 2019-03-25 Update
GB/T 6730.56 Iron ores—Determination of aluminum content—Flame atomic absorption spectrometric method*, 2019-08-30 Update
GB/T 6730.57 Iron ores-Determination of chromium content-Flame atomic absorption spectrometric method
GB/T 6730.58 Iron ores-Determination of vanadium content-Flame atomic absorption spectrometric method*, 2017-09-07 Update
GB/T 6730.59 Iron ores-Determination of manganese content-Flame atomic absorption spectrometric method*, 2017-09-07 Update
GB/T 6730.6 Iron ores.Determination of metallic iron content.Ferric chloride-sodium acetate titrimetric method*, 2016-10-13 Update
GB/T 6730.60 Iron ores—Determination of nickel content—Flame atomic absorption spectrometric method*, 2022-04-15 Update
GB/T 6730.61 Iron ores—Determination of carbon and sulfur content—High frequency combustion with infrared absorption method*, 2022-10-14 Update
GB/T 6730.62 Iron ores-Determination of calcium,silicon,manganese,titanium,phosphorus magnesium,aluminium and barium content Wavelength dispersive X-ray fluorescence spectrometric method
GB/T 6730.63 Iron ores.Determiantion of aluminum,calcium,magnesium,manganese,phosphorus,silicon and titanium content.Inductively coupled plasma atomic emission spectrometric method
GB/T 6730.64 Iron ores—Determination of water soluble chloride content—Ion-selective electrode method*, 2022-10-12 Update
GB/T 6730.65 Iron ores.Determination of total iron content.Titanium(Ⅲ)chloride reduction potassium dichromate titration methods(routine methods)
GB/T 6730.66 Iron ores—Determination of total iron content—Automatic potentiometrictitration method
GB/T 6730.67 Iron ores-Determination of arsenic content-Hydride generation atomic absorption spectrometric method
GB/T 6730.68 Iron ores.Determination of loss on ignition.Gravimetric method
GB/T 6730.69 Iron ores.Determination of fluoride and chloride content.Ion chromatography
GB/T 6730.7 Iron ores.Determination of metallic iron content.Sulfosalicylic acid spectrophotometric method*, 2016-10-13 Update
GB/T 6730.70 Iron Ores.Determination of total iron content.Titrimetric method after tin (II) chloride reduction*, 2013-05-09 Update
GB/T 6730.71 Iron ores.Determination of acid-soluble iron(II) content.Titrimetric method*, 2014-06-09 Update
GB/T 6730.72 "Iron ores—Determination of arsenic,chromium,cadmium,lead and mercury content—Inductively coupled plasma mass spectrometry method(ICP MS)"*, 2016-02-24 Update
GB/T 6730.73 Iron ores—Determination of total iron content—EDTA photometric titration method*, 2016-02-24 Update
GB/T 6730.74 Iron ores.Determination of magnesium content.Flame atomic absorption spectrometric method*, 2017-09-07 Update
GB/T 6730.75 Iron ores.Determination of sodium content.Flame atomic absorption spectrometric method*, 2017-10-14 Update
GB/T 6730.77 Iron ores—Determination of arsenic content—Hydride generation-atomic fluorescence spectrometric method*, 2019-08-30 Update
GB/T 6730.78 Iron ores—Determination of cadmium content—Graphite furnace atomic absorption spectrophotometric method*, 2019-08-30 Update
GB/T 6730.79 Iron ores—Determination of cadmium content—Hydride generation-atomic fluorescence spectrometric method*, 2019-08-30 Update
GB/T 6730.8 Iron ores.Determination of iron (Ⅱ) content.Potassium dichromate titrimetric method*, 2016-10-13 Update
GB/T 6730.80 Iron ores—Determination of mercury content—Cold atomic absorption spectrometric method*, 2019-08-30 Update
GB/T 6730.81 Iron ores—Determination of multiple trace elements—Inductively coupled plasma mass spectrometric method*, 2020-06-02 Update
GB/T 6730.82 Iron ores—Determination of barium content—EDTA titrimetric method*, 2020-06-02 Update
GB/T 6730.83 Iron ores—Determination of loss on ignition—Gravimetric method corrected by hygroscopic water*, 2022-10-12 Update
GB/T 6730.9 Iron ores.Determination of silicon content.Silicomolybdic blue spectrophotometric method reduced by ammonium ferrous sulfate*, 2016-10-13 Update