TY - RPRT TI - The influence of sample matrix on the accuracy of nitrite N and O isotope ratio analyses with the azide method AU - Julie Granger AU - Danielle S. Boshers AU - J.K. Bohlke AU - Dan Yu AU - Nengwang Chen AU - Craig R. Tobias PY - 2020 DO - 10.1002/rcm.8569 UR - https://pubs.usgs.gov/publication/70211842 ID - 70211842 ER -