Spatial and temporal patterns of nitrogen isotopic composition of ammonia at U.S. ammonia monitoring network sites
Sign Up to like & getrecommendations! Published in 2017 at "Atmospheric Environment"
DOI: 10.1016/j.atmosenv.2016.11.039
Abstract: Abstract Ammonia (NH3) emissions and ammonium (NH4+) deposition can have harmful effects on the environment and human health but remain generally unregulated in the U.S. PM2.5 regulations require that an area not exceed an annual… read more here.
Keywords: nh3 values; ammonia; nitrogen isotopic; isotopic composition ... See more keywords
Nitrogen Isotopic Composition of Shungite from the Onega Structure, Russia, and the Origin of the Organic Matter
Sign Up to like & getrecommendations! Published in 2018 at "Geochemistry International"
DOI: 10.1134/s0016702918130086
Abstract: The paper presents first nitrogen isotope analyses in shungites sampled from the core material of boreholes and from adits in the Onega region, Russia. The samples represent all varieties of the rocks, both stratified and… read more here.
Keywords: nitrogen; organic matter; nitrogen isotopic; isotopic composition ... See more keywords