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An Improved Apparatus for Determining Microgram Amounts of Arsenic by the Gutzeit Method Using Computer-Assisted Data Processing

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Abstract

An improved version of the determination of arsenic traces by the Gutzeit method was proposed. The determination error was decreased by changing the design of the apparatus and using a computer with a scanner for processing the experimental data. Arsenic in model solutions containing from 0.05 to 0.6 μg As per a sample volume of 2 mL can be determined with a relative standard deviation of no higher than 10%. The detection limit is 0.01 mg/L (1 × 10–7 M, which is equal to 0.3 MPC in water).

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Abrazheev, R.V., Zorin, A.D., Savinova, N.P. et al. An Improved Apparatus for Determining Microgram Amounts of Arsenic by the Gutzeit Method Using Computer-Assisted Data Processing. Journal of Analytical Chemistry 57, 280–283 (2002). https://doi.org/10.1023/A:1014464903893

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  • DOI: https://doi.org/10.1023/A:1014464903893

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