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  • P-ISSN 1225-0163
  • E-ISSN 2288-8985

Study on the Pretreatment of Seafood for the Determination of Total Arsenic using Wet Ashing Method

Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2003, v.16 no.6, pp.509-512


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Abstract

Pretreatment method for the determination of total arsenic in seafood sample was studied. NIST SRM 1566a oyster tissue (<TEX>$14.0{\pm}1.2mg\;As/kg$</TEX>) as a standard arsenic compound in order to establish the decomposition method. We confirmed that the best way for pretreatment of seafoods to analyze total arsenic content precisely was <TEX>$HNO_3-H_2SO_4-HCIO_4$</TEX> method by comparison of two methods which are dry ashing and wet ashing methods.

keywords
total arsenic, wet ashing, seafood


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