... GD320N Atomic Absorption Spectrophotometer Making the characteristic concentration of As, Se, Sb, Bi, Pb, Sn, Te, Ge, In, Model GD320N Atomic Absorption ... analysis mode: for methods of flame absorption, flame emission, graphite furnace atomic absorption and hydride generation.Safe and reliable gas ... /O portPrinterOverall dimension & weight: Model GD320N Atomic Absorption Spectrophotometer