© Copyright 2014 Loveland Tech4good T4G Arsenic Detection Techniques Loveland Tech4good Luke Whitaker / May 27, 2014.

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Presentation transcript:

© Copyright 2014 Loveland Tech4good T4G Arsenic Detection Techniques Loveland Tech4good Luke Whitaker / May 27, 2014

Arsenic Detection Techniques On January 22, 2001 the EPA set the standard concentration in drinking water to be 10 µg/L See Document 40 CFR Parts 9, 141, and 142 EPA provided a list of four (4) approved analytical techniques for detecting arsenic in drinking water See Document 40 CFR Reference: Environmental Protection Agency (EPA) Standard

Arsenic Detection Techniques In December, 1999, two (2) years prior to changing the concentration limits of arsenic in drinking water, the EPA contracted the Science Applications International Corporation (SAIC) to perform a thorough analysis of industry approved methods to detect arsenic in drinking water. The document is entitled “Analytical Methods Support Document For Arsenic In Drinking Water” and can be found at the following link: Environmental Protection Agency (EPA) Standard

The table below lists the approved arsenic detection techniques Reference: The Standard Methods (SM) and American Society for Testing and Materials (ASTM) documents are available for purchase only MethodologyReference Method (click HTML link to go to reference) Inductively Coupled Plasma Mass Spectroscopy (ICP-MS)200.8 (EPA) Stabilized Temperature Platform Graphite Furnace Atomic Absorption (STP-GFAA) (EPA) Graphite Furnace Atomic Absorption (GFAA)3113B (SM)3113B (SM) D C (ASTM)D C (ASTM) Gaseous Hydride Atomic Absorption (GHAA)3114B (SM)3114B (SM) D C (ASTM)D C (ASTM) Arsenic Detection Techniques

Environmental Protection Agency (EPA) Standard

The table below lists the approved arsenic detection techniques Reference: TechniqueRef. Method MDL ( µg/L) % RecoveryRSD Inductively Coupled Plasma Mass Spectroscopy (ICP-MS) (EPA) – – 9.1 Stabilized Temperature Platform Graphite Furnace Atomic Absorption (STP-GFAA) (EPA) – 14.2 Graphite Furnace Atomic Absorption (GFAA) 3113B (SM)3113B (SM) D C (ASTM)D C (ASTM) – – 43.0 Gaseous Hydride Atomic Absorption (GHAA) 3114B (SM)3114B (SM) D C (ASTM)D C (ASTM) – – 6.74 Arsenic Detection Techniques

Inductively Coupled Plasma Mass Spectroscopy (ICP-MS)

Arsenic Detection Techniques Atomic Absorption Spectroscopy (AAS)

Arsenic Detection Techniques Atomic Absorption Spectroscopy (AAS)

Thank you!