... Making the characteristic concentration of As, Se, Sb, Bi, Pb, Sn, Te, Ge, In, Model GD320N Atomic Absorption SpectrophotometerCharacteristics ... absorption peak diagram, spectrum outline sketch, data as well as instrument parameters list and analytical reports can be displayed ... analysis.Hydride generator (Totally automatic): Making the characteristic concentration of As, Se, Sb, Bi, Pb, Sn, Te, Ge, ...