Nancy M Hepp

Determination of total lead in lipstick: Development and validation of a microwave‐assisted digestion, inductively coupled plasma–mass spectrometric method

Nancy M Hepp, William R. Mindak, Jie Cheng · International Journal of Cosmetic Science · 2010 · 76 citations

Pharmacy, Chemistry, Toxicology +13

Survey of cosmetics for arsenic, cadmium, chromium, cobalt, lead, mercury, and nickel content.

Nancy M Hepp, William R. Mindak, John W Gasper et al. · PubMed · 2014 · 60 citations

Pharmacy, Chemistry, Toxicology +17

Determination of total lead in 400 lipsticks on the U.S. market using a validated microwave-assisted digestion, inductively coupled plasma-mass spectrometric method.

Nancy M Hepp · PubMed · 2013 · 23 citations

Pharmacy, Food Science, Toxicology +15

Application of high‐energy polarized energy‐dispersive x‐ray fluorescence spectrometry to the determination of trace levels of As, Hg, and Pb in certifiable color additives

Nancy M Hepp, India C. James · X-Ray Spectrometry · 2016 · 16 citations

Agriculture, Food Science, Toxicology +17

Determination of Arsenic, Chromium, Lead, Manganese, and Mercury in Certifiable Color Additives by Inductively Coupled Plasma/Mass Spectrometry

Nancy M Hepp · Journal of AOAC International · 2015 · 11 citations · Full text

Pharmacy, Chemistry, Toxicology +17