Frontier Laboratories Ltd.: The Multi-Shot Pyrolyzer EGA/PY-3030D multi-functional GC inlet can chemically characterize most liquids and solids. An attractive alternative to solvent-based chemical extraction methods, it offers a choice of six analytical techniques: evolved gas analysis, thermal desorption, reactive pyrolysis, single-shot pyrolysis, multi-shot thermal desorption/pyrolysis and heart cutting.