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Comparison of sensitive methods for the measurement of inorganic arsenic in apple juice: Photoionization (PID) and ICP-MS

This will be presented in the Analytical Methods subsection of the two day Arsenic Contamination in Food and Water Symposium at the American Chemical Society Spring National Meeting in New Orleans April 10 and April 11, 2013 on the AGFD Track. 
299 - Comparison of sensitive methods for the measurement of inorganic arsenic in apple juice: Photoionization (PID) and ICP-MS

Authors: Jack Driscoll1,  Jennifer Maclachlan1,  (1) PID Analyzers, LLC, Sandwich, MA 02563, United States
Link to product literature

In January of 2012, Consumer Reports found 10% of apple juice samples tested from five brands had total arsenic levels above the drinking water standard of 10 parts per billion. Most of that arsenic was inorganic arsenic, a known carcinogen. American apple juice is made from apple concentrate, a majority of which is imported from China. Inorganic Arsenic has been detected as AsH3following reduction via AA or ICP MS. The cost of these types of spectrometers is in the $60-200K price range. Many labs would have to choose the older colorimetric methods but we have developed and modified the hydride generation-PID method for arsenic in water analysis at ppb levels (1) to work with food and juice. The system cost is a fraction of the $200K spectrometer price. We will describe the modifications of the new method for arsenic in apple juice as well as the comparison results with ICP-MS. (1) Driscoll, JN and GA Cutter, “Total and Speciated Arsenic Compounds in Water by Photoionization and Gas Chromatography/PID”in "Toxic Trace Metal Remobilization & Remediation - A Geochemical Body of Work" to be published by the ACS (2013)                           

Thursday, April 11, 2013 08:35 AM

Arsenic Contamination of Food and Water (08:30 AM - 12:20 PM)
Location: DoubleTree by Hilton New Orleans
Room: Madewood B

See document below for complete listing of presenters at Arsenic Contamination in Food and Water at #ACSNOLA


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