YS/T 1047.2-2015 Methods for chemical analysis of copper magnetite—Part 2:Determination of total iron content—Potassium dichromate titration methods

YS/T 1047.1-2015 Methods for chemical analysis of copper magnetite—Part 1:Determination of copper content—2,2-biquinoly spectrophotometric method and flame atomic absorption spectrometric method YS/T 1047.3-2015 Methods for chemical analysis of copper magnetite—Part 3:Determination of copper and iron contents—Sodium hyposulfite titration YS/T 1047.4-2015 Methods for chemical analysis of copper magnetite—Part 4:Determination of sulfur content—High frequency combustion with infrared absorption method YS/T 1047.5-2015 Methods for chemical analysis of copper magnetite—Part 5:Determination of phosphorus content—Titrimetric method YS/T 1047.6-2015 Methods for chemical analysis of copper magnetite—Part 6： Determination of copper,total iorn,silicon dioxide,alumina oxide,calcium oxide,magnesium oxide,titanium dioxide,manganese oxide and phosphorus contents—Wavelength dispersive X-ray fluorescence spectrometric method YS/T 1047.7-2015 Methods for chemical analysis of copper magnetite—Part 7:Determination of copper,manganese,aluminium,calcium,magnestium,titanium and phosphorus contents—Inductively coupled plasma atomic emission spectrometric method YS/T 1047.8-2015 Methods for chemical analysis of copper magnetite—Part 10:Determination of silicon dioxide content—Gravimetric method YS/T 1047.9-2015 Methods for chemical analysis of copper magnetite—Part 9:Determination of metallic iron content—Sulfosalicylic acid photometric method YS/T 1047.10-2015 Method for chemical analysis of copper magnetite—Part 10:Determination of iron(Ⅱ)oxide content—Potassium dichromate titration method YS/T 1047.11-2015 Methods for chemical analysis of copper magnetite—Part 11:Determination of magnet iron content—Potassium dichromate titration method

GB/T 6379.2-2004 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 6682-1992 Water for analytical laboratory use—Specification and test methods GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods GB/T 6730.3-1986 Methods for chemical analysis of iron ores The gravimetric method for the determination of hygroscopic moisture content in analytical samples GB/T 6730.3-2017 Iron ores—Determination of hygroscopic moisture in analytical samples—Gravimetric,Karl Fischer and mass-loss methods GB/T 10322.1-2000 Iron ores—Sampling and sample preparation procedures GB/T 10322.1-2014 Iron ores—Sampling and sample preparation procedures GB/T 10322.1-2023 Iron ores—Sampling and sample preparation procedures GB/T 12805-1991 Laboratory glassware—Burettes GB/T 12805-2011 Laboratory glassware—Burettes GB/T 12806-1991 Laboratory glassware—One-mark volumetric flasks GB/T 12806-2011 Laboratory glassware—One-mark volumetric flasks GB/T 12808-1991 Laboratory glassware—One-mark pipettes GB/T 12808-2015 Laboratory glassware—One mark pipettes