Author | Lee Davidowski

Lee Davidowski is with PerkinElmer Life and Analytical Sciences, Shelton, Connecticut.

Articles

ICP-MS with Autodilution and Autocalibration for Implementing the New USP Chapters on Elemental Impurities

November 01, 2012

Special Issues

Article

This article describes the use of an in-line, autodilution, and autocalibration sample delivery system coupled to an inductively coupled plasma–mass spectrometry system to analyze a group of over-the-counter pharmaceutical products.

Bottled Water: Popular, But Is It Safe?

October 01, 2007

Special Issues

Article

Bottled water has become increasingly popular over the past several years for convenience and safety. In some areas where publicly supplied tap water is contaminated or contains bacteria, this assumption is valid. However, in areas with clean tap water, the presence of bottled water can be controversial because it might be less clean than the local tap. This article discusses the analysis of inorganic contaminants in bottled water, including regulated contaminants and bromate. Detection limit considerations and speed of analysis also are discussed.