The first instrumental analysis was flame emissive spectrometry developed by Robert Bunsen and Gustav Kirchhoff who discovered rubidium (Rb) and caesium (Cs) in 1860.
Prvou inštrumentálnou analýzou bola plameňová emisná analýza vyvinutá Robertom Bunsenom and Gustávom Kirchhoffom ktorý objavili rubídium (Rb) and cézium (Cs) v roku 1860.