Jeff Rohrer

ASTM-Approved Method for Simultaneous Determination of Total Nitrogen and Phosphorus in Wastewater by Ion Chromatography
Monday, October 02, 2017
As natural elements in aquatic ecosystems, nitrogen and phosphorus support the growth of algae and aquatic plants, providing food and shelter for fish and other organisms. read more
Review of U.S. EPA Methods for Perchlorate Using Suppressed Conductivity Detection
Tuesday, January 22, 2013
Perchlorate is identified as an environmental contaminant found in drinking, ground, and surface waters. The origins of perchlorate are both natural and anthropogenic. In its natural origin, ... read more
A Fast Method for Determination of Melamine in Liquid Milk and Milk Powder by HPLC With UV Detection
Thursday, October 01, 2009
Melamine discovered in baby formula and products containing milk has led to one of the largest worldwide food recalls in history. Some manufacturers in China illegally added melamine, an ingredient ... read more