ArticlesScientific Apparatus and Laboratory Methods

A METHOD FOR COMPARING THE VALUE OF AMMONIA NITROGEN AND NITRATE NITROGEN

See allHide authors and affiliations

Science  12 Jul 1929:
Vol. 70, Issue 1802, pp. 43-44
DOI: 10.1126/science.70.1802.43
PDF extract preview

This is a PDF-only article. The first page of the PDF of this article appears above.