History of LC-MS. The coupling of chromatography with MS is a well developed chemical analysis strategy dating back from the s. Gas chromatography (GC) - MS was originally introduced in , when A.T. James and A.J.P Martin were trying to develop tandem separation - mass analysis techniques. Science in Christian Perspective. Radiometric Dating. A Christian Perspective. Dr. Roger C. Wiens Estates Drive, Los Alamos, NM RCWiens@berlinbootstouren.de [A PDF version of this document is also available.]. How radiometric dating works in general: Radioactive elements decay gradually into other elements. The original element is called the parent, and the result of the decay process is called the daughter element. The SECRET GUN in Fortnite: Battle Royale! (Zapatron SNIPER)

Electron Trap Dating Techniques. BBC Nature - Fossils