University of North Florida
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Stuart Chalk, Ph.D.
Department of Chemistry
University of North Florida
Phone: 1-904-620-1938
Fax: 1-904-620-3535
Website: @unf

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Human Nail

Classification: Biological material -> nail -> human

Citations 1

"Arsenic In Ground Water In Six Districts Of West Bengal, India: The Biggest Arsenic Calamity In The World. 2. Arsenic Concentration In Drinking Water, Hair, Nails, Urine, Skin-scale And Liver Tissue Of The Affected People"
Analyst 1995 Volume 120, Issue 3 Pages 917-924
Dipankar Das, Amit Chatterjee, Badal K. Mandal, Gautam Samanta, Dipankar Chakraborti and Bhabatosh Chanda

Abstract: Hair (0.5-1 g) and nails (0.5 ng) were digested with HNO3 at 90-100°C for 5 min. Concentrated HNO3 was added and the solution was evaporated to 1 mL and diluted to 5 mL. Urine (1 ml) was heated with HNO3 and HClO4 until fumes were evolve and thus the flow injection thermospray system can be used over wide analytical ranges. Solutions containing up to 2% of NaCl could be injected without plugging of the thermospray vaporizer capillary.
Arsenic, total Arsenate ion Arsenite Dimethylarsinic acid monomethylarsonic acid Sample preparation Spectrophotometry