译：GB/T 20127.12-2006 Steel and alloy—Determination of trace element contents—Part 12:Determination of zinc content by flame atomic absorption spectrometric method

译：GB/T 20127.5-2006 Steel and alloy—Determination of trace element contents—Part 5:Determination of gallium content by extraction separation-rhodamine B photometric method

译：GB/T 20127.2-2006 Steel and alloy—Determination of trace element contents—Part 2:Determination of arsenic content by hydride generation-atomic fluorescence spectrometric method

译：GB/T 20127.10-2006 Steel and alloy—Determination of trace element contents—Part 10:Determination of selenium content by hydride generation-atomic fluorescence spectrometric method

译：GB/T 20127.3-2006 Steel and alloy—Determination of trace element contents—Part 3:Determination of calcium, magnesium, barium content by inductively coupled plasma atomic emission spectrometric method

译：GB/T 20126-2006 Unalloyed Steel—Determination of low carbon content—Part 2:Infrared absorption method after combustion in an induction furnace(With preheating)

译：GB/T 20127.13-2006 Steel and alloy—Determination of trace element contents—Part 13:Determination of tin content by iodide extraction-phenylfluorone photometric method

译：GB/T 20127.11-2006 Steel and alloy—Determination of trace element contents—Part 11:Determination of indium and thallium contents by inductively coupled plasma-mass spectrometric method

译：GB/T 20127.6-2006 Steel and alloy—Determination of trace element contents—Part 6:Determination of germanium content by gallic acid oscillopolarographic method

译：GB/T 20127.1-2006 Steel and alloy—Determination of trace element contents—Part 1:Determination of silver content by graphite furnace atomic absorption spectrometric method