Online VCE – Chemistry UNIT 4: Organic Compounds Year 12 Environmental Monitoring / Medical Technologies In a LIVE online environment, students will be part of a demonstration of Infrared (IR) spectroscopy, Nuclear Magnetic Resonance (NMR) spectroscopy, Mass spectroscopy and HPLC. VCE – Chemistry UNIT 4: Organic Compounds Year 12 Environmental Monitoring / Medical Technologies This program explores the use chemical instruments used to separate and measure specific properties - GS-MS, HPLC-DAD, FT-IR and NMR.