Which of these product innovations was specifically designed to help scientists identify unknown compounds and has become essential equipment in almost every chemistry lab worldwide?

The advancement of scientific research often depends on innovative laboratory equipment and tools. Throughout history, certain product innovations have revolutionized how scientists conduct experiments and analyze data. This poll tests your knowledge about a significant product innovation that changed the landscape of scientific research and opened new possibilities for discovery.

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Mass Spectrometer (MS)
Electron Microscope (EM)
Polymerase Chain Reaction (PCR) Machine
Liquid Chromatography System