GB/T 23588-2020 Recyclable manufacturing scraps of neodymium iron boron

Scope: This standard specifies the technical requirements, test methods, inspection rules, signs, packaging, transportation, storage and quality certificates for recycled materials in the production and processing of cast iron and boron. This standard is applicable to the production and processing of cast iron and boron. Recycling, processing and trade of waste (hereinafter referred to as recycled material),

GB/T 23588-2020 Referenced Document

GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values
XB/T 612.1 Chemical analysis methods of scraps of neodymium iron boron-Part 1:Determination of total rare earth oxides content-Gravimetry
XB/T 612.2 Chemical analysis methods of scraps of neodymium iron boron-Part 2:Determination of fifteen REO relative contents-Inductively coupled plasma atomic emission spectrometry
XB/T 612.3 Chemical analysis methods of scraps of neodymium iron boron.Part 3:Determination of boron,cobalt,aluminum,copper,chromium,nickel, manganese,titanium,calcium,magnesium contents.Inductively coupled plasma atomic emission spectrometry
XB/T 617.4 Chemical analysis methods of neodymium iron boron alloy.Part 4:Determination of iron content.The potassium dichromate titrimetry