... , Sb, Bi, Pb, Sn, Te, Ge, In, Model GD320N Atomic Absorption SpectrophotometerCharacteristics A Build-in computer data processing ... absorptance, concentration, emission and emission concentration; Standard curves: linear regression, curve fitting and multi-point standard calibration. Average ... Software with I/O portPrinterOverall dimension & weight: Model GD320N Atomic Absorption Spectrophotometer