Measuring 15N-NH4 in marine, estuarine, and freshwaters: an adaptation of the ammonium diffusion method for samples with low ammonium concentrations.

Title	Measuring 15N-NH4 in marine, estuarine, and freshwaters: an adaptation of the ammonium diffusion method for samples with low ammonium concentrations.
Authors:	Holmes, R.M.;McClelland, J.;Sigman, D.M.;Fry, B.;Peterson, B.J.
Publication Type	Journal Article
Year of Publication:	1998
Volume:	60
Pagination:	235-243
Accession Number:	PIE3