Assertion: phosgene | /r/HasProperty | observed with naked eye
Facets:
value: easily
type: MANNER
Source sentences:
text: Furthermore, we fabricated a fluorescent test strip (FTS-Pi) for the detection of phosgene in the gas phase that undergoes a fluorescence color change, from green to blue, under 365 nm UV light in the presence of phosgene, which is easily observed with the naked eye.