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- W2358904589 abstract "A method was established to determine the total arsenic and inorganic arsenic(Ⅲ)in seaweed products by graphite furnace atomic absorption spectrometry(GFAAS),and it provided the accurate detection method for monitoring inorganic arsenic in seaweed products and food safety risk assessment.The pre-treatment methods for the determination of total arsenic were carried out by wet digestion or microwave digestion,and the extraction methods of inorganic arsenic(Ⅲ)from samples of seaweed products developed by 9mol/L hydrochloric acid soaking,butyl acetate extraction and pure water reextraction,the total arsenic and inorganic arsenic(Ⅲ)were determined by GFAAS with Zeeman background and deuterium lamp background deduction.Zeeman background correction method for the determination of arsenic showed good linearity in the range of 3.0—60μg/L,the limit of quantification(LOQ)was 2.9μg/L,the precision was 3.6% and the recoveries were between 90% and 102%.Deuterium lamp background correction method for the determination of arsenic(Ⅲ) showed a good linearity in the range of 4.0—80μg/L,the limit of quantification(LOQ)was 3.6μg/L,The precision was 4.1% and the recoveries were 88%—109%.The determination methods of arsenic in seaweed products is accurate and reliable by two different methods of background correction of GFAAS,which will provide reliable and practical determination technique of total arsenic and inorganic arsenic(Ⅲ)for laboratories at the basic level." @default.
- W2358904589 created "2016-06-24" @default.
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- W2358904589 date "2012-01-01" @default.
- W2358904589 modified "2023-09-25" @default.
- W2358904589 title "Determination of Arsenic in Seaweed Products by GFAAS" @default.
- W2358904589 hasPublicationYear "2012" @default.
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