Precursor Compounds that change chemically or physically after being emitted into the air and eventually produce air pollutants. For example, sulfur and nitrogen oxides are precursors for particulate matter.

The term "precursor" was found in the following pages:

Instrument database: Thermo Scientific - Orbitrap Fusion™ Tribrid™ Mass Spectrometer
Instrument database: Bruker Daltonics - micrOTOF-Q III
Instrument database: Bruker Daltonics - ultrOTOF-Q - ESI-Q-q-TOF
Symposium on Air Quality Measurement Methods and Technology | EVISA's Agenda of Events
Instrument database: Shimadzu Europe - AXIMA-QIT MALDI TOF Mass Spectrometer
Instrument database: Thermo Scientific - Q Exactive™ Hybrid Quadrupole-Orbitrap™ Mass Spectrometer
Selenomethionine shows promising results as a protective agent against Esophageal Cancer | EVISA's News
Directory of scientists: Jörg Feldmann
Instrument database: Bruker Daltonics - esquire6000
Link database: Australian Government: National Pollutant Inventory: Manganese & compounds
Instrument database: Applied Biosystems - Q TRAP® LC/MS/MS System
Company database: International Society for Preventive Oncology
Instrument database: Bruker Daltonics - apex-Qe - Qh-FTMS
Triple Quad ICP-MS: Pushing the limits for quantitation of phosphorus and sulfur | EVISA's News
Instrument database: Thermo Scientific - TSQ Vantage™ Triple Quadrupole Mass Spectrometer
EU approves new selenium compound for use as a nutritional supplement in animals | EVISA's News
Instrument database: Bruker Daltonics - HCT/HCTplus
Huge field experiment for assessing human ethylmercury risk starting in october | EVISA's News
Instrument database: Shimadzu Europe - MALDI-7090: MALDI TOF-TOF Mass Spectrometer