GB/T 4137-2024 Rare earth ferrosilicon alloy

GB/T 4137-2015 Rare earth ferrosilicon alloy

GB/T 15676-2015 Terms for rare earths 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 13247-1991 Ferroalloys—Sampling and testing methods for determination of grain size GB/T 13247-2019 Methods for sampling and testing the grain size of ferroalloys products GB/T 16477.1-1996 Methods for chemical analysis of rare earth ferrosilicon alloy and rare earth ferrosilicon magnesium alloy—Determination of total rare earth content GB/T 16477.1-2010 Chemical analysis methods of rare earth ferrosilicon alloy and rare earth ferrosilicon magnesium alloy—Part 1:Determination of total rare earth content GB/T 16477.1-2024 Chemical analysis methods of silicon-based composite rare earth ferroalloy and RE-Mg ferro-silicon alloy—Part 1:Determination of total rare earth and fifteen rare earth elements contents GB/T 16477.2-1996 Methods for chemical analysis of rare earth ferrosilicon alloy and rare earth ferrosilicon magnesium alloy—Determination of calcium, magnesium, and manganese contents GB/T 16477.2-2010 Chemical analysis methods of rare earth ferrosilicon alloy and rare earth ferrosilicon magnesium alloy—Part 2:Determination of calcium,magnesium and manganese contents—Inductively coupled plasma atomic emission spectrometry GB/T 16477.3-1996 Methods for chemical analysis of rare earth ferrosilicon alloy and rare earth ferrosilicon magnesium alloy—Determination of magnesia content GB/T 16477.3-2010 Chemical analysis methods of rare earth ferrosilicon alloy and rare earth ferrosilicon magnesium alloy—Part 3:Determination of magnesia content—Inductively coupled plasma atomic emission spectrometry GB/T 16477.4-1996 Methods for chemical analysis of rare earth ferrosilicon alloy and rare earth ferrosilicon magnesium alloy—Determination of silica content GB/T 16477.4-2010 Chemical analysis methods of rare earth ferrosilicon alloy and rare earth ferrosilicon magnesium alloy—Part 4:Determination of silicon content GB/T 16477.5-1996 Methods for chemical analysis of rare earth ferrosilicon alloy and rare earth ferrosilicon magnesium alloy—Determination of titanium content GB/T 16477.5-2010 Chemical analysis methods of rare earth ferrosilicon alloy and rare earth ferrosilicon magnesium alloy—Part 5:Determination of titanium content—Inductively coupled plasma atomic emission spectrometry GB/T 24194-2009 Ferrosilicon—Determination of aluminium,calcium,manganese,chromium,titanium,copper,phosphorus and nickel content—Inductively coupled plasma atomic emission spectrometric method GB/T 24194-2024 Ferrosilicon—Determination of multi-element contents—Inductively coupled plasma atomic emission spectrometric method GB 39176-2020 Rare earth products packing,marking,transport and storage