Which scientific instrument, first commercially launched in 1946, revolutionized chemical analysis by allowing researchers to identify compounds based on their interaction with infrared radiation?

Scientific instruments have transformed how we observe and analyze our world. Throughout history, certain product launches in scientific equipment have revolutionized research capabilities across disciplines. This trivia question explores a pivotal moment in analytical science that fundamentally changed how researchers identify and quantify substances. Test your knowledge of the breakthrough technologies that enabled modern scientific discovery!

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Beckman DU UV-Visible Spectrophotometer
Perkin-Elmer Model 12 Infrared Spectrometer
Varian A-60 Nuclear Magnetic Resonance Spectrometer
Hewlett-Packard 5970 Mass Spectrometer