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Quickly Determination of Pricia Acid in Water By High Performance Liquid Chromatography

Zou Ben-dong

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Abstract

Pricia acid in water was determined by high performance liquid chromatography.The analytical conditions of HPLC were optimized though a series of tests.Results showed the optimum detected conditions were methanol-water(0.01%TFA) volume ratio of 45∶55 as the mobile phase and the temperature of 40 ℃.The detection wavelength was 350 nm for ultraviolet detector.Under the optimized conditions,limits of detection of this method was 0.4 μg/L.The recovery tests were analyzed using this new method: Three different grade include high、middle and low concentrations were added in surface and underground water samples separately,recoveries results of three concentrations were all above 88%,with relative standard deviations(RSD) blow 5%;And waste water recoveries were between 71% and 90%,with RSD was 7.9%.

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What this paper is about

Pricia acid in water was determined by high performance liquid chromatography.The analytical conditions of HPLC were optimized though a series of tests.Results showed the optimum detected conditions were methanol-water(0.01%TFA) volume ratio of 45∶55 as the mobile phase and the temperature of 40 ℃.The detection wavelength was 350 nm for ultraviolet detector.Under the optimized conditions,limits of detection of this method was 0.4 μg/L.The recovery tests were analyzed using this new method: Three different grade include high、middle and low concentrations were added in surface and underground water samples separately,recoveries results of three concentrations were all above 88%,with relative standard deviations(RSD) blow 5%;And waste water recoveries were between 71% and 90%,with RSD was 7.9%.

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Available abstract

Pricia acid in water was determined by high performance liquid chromatography.The analytical conditions of HPLC were optimized though a series of tests.Results showed the optimum detected conditions were methanol-water(0.01%TFA) volume ratio of 45∶55 as the mobile phase and the temperature of 40 ℃.The detection wavelength was 350 nm for ultraviolet detector.Under the optimized conditions,limits of detection of this method was 0.4 μg/L.The recovery tests were analyzed using this new method: Three different grade include high、middle and low concentrations were added in surface and underground water samples separately,recoveries results of three concentrations were all above 88%,with relative standard deviations(RSD) blow 5%;And waste water recoveries were between 71% and 90%,with RSD was 7.9%.

Key concepts: Chromatography, High-performance liquid chromatography, Chemistry, Detection limit, Volume (thermodynamics), Surface-area-to-volume ratio, Methanol, Ultraviolet

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