GB/T 26415-2010 Dysprosium-iron alloy

GB/T 8170-1987 Rules for rounding off of numberical values GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values GB/T 26416.1-2010 Chemical analysis methods of dysprosium ferroalloy—Part 1:Determination of total rare earth contents—Gravimetry GB/T 26416.1-2022 Chemical analysis methods for rare earth ferroalloy—Part 1:Determination of total rare earth content GB/T 26416.2-2010 Chemical analysis methods of dysprosium ferroalloy—Part 2:Determination of rare earth impurity contents—Inductively coupled plasma atomic emission spectrometry GB/T 26416.2-2022 Chemical analysis method for rare earth ferroalloy—Part 2:Determination of rare earth impurity contents—Inductively coupled plasma emission spectrometry GB/T 26416.3-2010 Chemical analysis methods of dysprosium ferroalloy—Part 3:Determination of calcium,magnesium,aluminum,silicon,nickel,molybdenum,and tungsten contents—Inductively coupled plasma atomic emission spectrometry GB/T 26416.3-2022 Chemical analysis methods for rare earth ferroalloy—Part 3:Determination of calcium, magnesium, aluminium,nickel and manganese contents—Inductively coupled plasma emission spectrometry GB/T 26416.4-2010 Chemical analysis methods of dysprosium ferroalloy—Part 4:Determination of iron content—The potassium dichromate titrimetry GB/T 26416.4-2022 Chemical analysis method for rare earth ferroalloy—Part 4:Determination of iron content—Potassium dichromate titration GB/T 26416.5-2010 Chemical analysis methods of dysprosium ferroalloy—Part 5:Determination of oxygen content—Impulse-infrared conductance absorption method GB/T 26416.5-2022 Chemical analysis method for rare earth ferroalloy—Part 5:Determination of oxygen content—Impulse-infrared absorption method GB/T 26416.6-2023 Chemical analysis methods for rare earth ferroalloy—Part 6:Determination of molybdenum,tungsten and titanium contents—Inductively coupled plasma emission spectrometry GB/T 26416.7-2023 Chemical analysis methods for rare earth ferroalloy—Part 7:Determination of carbon and sulfur contents—High frequency-infrared absorption method GB/T 26416.8-2023 Chemical analysis methods for rare earth ferroalloy—Part 8:Determination of silicon content—Spectrophotometry GB/T 26416.9-2023 Chemical analysis methods for rare earth ferroalloy—Part 9:Determination of phosphorus content—Bismuth phosphomolybdate blue spectrophotometry