GB/T 46213-2025 Technical specification for remanufacturing of Nd-Fe-B bonded magnet wastes

GB 8978 GB 12348-1990 Standard of noise at boundary of industrial enterprises GB 18599 GB/T 18880-2002 Materials of bonded neodymium iron boron permanent magnets GB/T 18880-2012 Materials for bonded neodymium iron boron permanent magnets GB/T 20168-2017 Rapidly-quenched neodymium iron boron permanent magnetic powder GB/T 31962-2015 Wastewater quality standards for discharge to municipal sewers GB/T 41967-2022 Anisotropic neodymium iron boron permanent magnetic powder GB/T 50087-2013 Specifications for the design of noise control system in industrial enterprises XB/T 617.1-2014 Chemical analysis methods for neodymium iron boron alloy—Part 1:Determination of total rare earth content—Oxalate gravimetry XB/T 617.2-2014 Chemical analysis methods of neodymium iron boron alloy—Part 2:Determination of fifteen REO relative contents XB/T 617.3-2014 Chemical analysis methods for neodymium iron boron alloy—Part 3:Determination of boron,aluminum,copper,cobalt,magnesium,silicon,calcium,vanadium,chromium,manganese,nickel,zinc and gallium contents—Inductively coupled plasma atomic emission spectrometry XB/T 617.4-2014 Chemical analysis methods of neodymium iron boron alloy—Part 4:Determination of iron content—The potassium dichromate titrimetry XB/T 617.5-2014 Chemical analysis methods for neodymium iron boron alloy—Part 5:Determination of zirconium,niobium,molybdenum,tungsten and titanium contents—Inductively coupled plasma atomic emission spectrometry XB/T 617.6-2014 Chemical analysis methods of neodymium iron boron alloy—Part 6:Determination of carbon content—High frequency-infrared absorption method XB/T 617.7-2014 Chemical analysis methods for neodymium iron boron alloy—Part 7:Determination of oxygen and nitrogen contents—Impulse-infrared and impulse-thermal conductance absorption method XB/T 617.8-2023 Method for Chemical Analysis of NdFeB Alloys - Part 8: Determination of Hydrogen Content - Inert-gas fusion-thermal conductivity or infrared absorption method