... (K)Acetylene Air 2,400 - 2,700Acetylene Nitrous Oxide 2,900 - 3, 100Acetylene Oxygen 3, 300 - 3, 400Hydrogen Air 2 ,30 0 - 2,400Hydrogen Oxygen 2,800 - 3, 000Cyanogen Oxygen 4,800Furnaces• Improved sensitivity ... measure of the number of atoms of the metal in the solutionMetal Zn Fe Cu Ca Naλ (nm) 214 248 32 5 4 23 589Atomic Absorption Spectroscopy:An Aussie Invention• Developed by Alan Walsh (below) of ... the Beer-Lambert Law:Abs=−logIIo⎛ ⎝ ⎜ ⎞ ⎠ ⎟ Abs =εcbεε= extinction coefficient 3 Atomic Absorption Spectroscopy• Instrumentation• Light Sources• Atomisation• Detection MethodsLight...