Determination of phosphate in soil extracts in the field: A green chemistry enzymatic method

por Campbell, Ellen R., Warsko, Kayla, Davidson, Anna-Marie, (Bill) Campbell, Wilbur H.
Publicado 2015

Non-toxic total nitrogen determination using a low alkaline persulfate digestion

por Studt, Jacob L., Campbell, Ellen R., Westrick, Dianna, Kinnunen-Skidmore, Troy, Marceau, Aimee H., Campbell, Wilbur H.
Publicado 2020