Mass Frontier 8.1 Tutorial to Identify Unknowns in High-Resolution, Accurate-Mass Data by Running Library Searches and mzLogic Analyses - Mass Frontier 8.1 Tutorial to Identify Unknowns in High-Resolution, Accurate-Mass Data by Running Library Searches and mzLogic Analyses - Mass Frontier Software - Mass Frontier Software - This tutorial shows you how to run library searches using the mzCloud™ mass spectral database and an mzLogic™ analysis to identify the unknown components detected in the chromatogram from nominal mass data.