How might one distinguish a sample of trimethylamine from a sample of 
using IR spectroscopy?
Definitions:
Lake Zone
A specific area or region within or around a lake, often characterized by unique ecological characteristics or management requirements.
Benthic Zone
The ecological region at the lowest level of a body of water such as an ocean or a lake, including the sediment surface and some sub-surface layers.
Profundal Zone
A deep zone in a body of water, such as a lake, where sunlight does not penetrate, affecting the types of organisms that can live there.
Limnetic Zone
The open surface waters in a lake, away from the shore, where sunlight penetrates, supporting planktonic and free-swimming aquatic life.
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