A New Extraction Spectrophotometric Method for the Determination of Phenol in Water

Chemical Research in Chinese Universities ›› 2000, Vol. 16 ›› Issue (1): 5-9.

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A New Extraction Spectrophotometric Method for the Determination of Phenol in Water

KANG Chun-li¹, WANG Ying¹, DU Yao-guo¹, LI Run-bo¹, LI Jun¹, ZHOU Li-ming¹, JIN Xiang-jun², MIAO Fei³

1. Department of Environmental Science, Jilin University, Changchun 130023, P. R. China;
2. Baicheng Normal College, Baicheng 137000, P. R. China;
3. Petrochemical Industry Bureau of Jilin Province, Changchun 130022, P. R. China

Received:1999-09-09 Online:2000-01-24 Published:2011-08-17

Abstract

Abstract: The product of the reaction among phenol, sodium nitroprusside and hydroxylamine hydrochloride in an alkaline solution can be extracted by chloroform in the presence of cetylpyridinium bromide(CPB), on the basis of which a new extraction spectrophotometric method for the determination of phenol in water is developed.The optimum determination wavelength is 720 nm.The molar absorptivity is 1.05 × 10⁵ mol^-1· L· cm^-1 and the detection limit is 4.0 μg/L.For 30.0 and 60.0 μg/L standard solutions, the relative standard deviations are 4.5% and 2.2 %, respectively(n=6).F values of the statistical analysis show that there is no notable difference between the proposed method and 4-AAP method.The results of the standard addition method for the natural water samples are satisfactory.

Key words: Phenol, Extraction, Spectrophotometry, Water

KANG Chun-li, WANG Ying, DU Yao-guo, LI Run-bo, LI Jun, ZHOU Li-ming, JIN Xiang-jun, MIAO Fei. A New Extraction Spectrophotometric Method for the Determination of Phenol in Water[J]. Chemical Research in Chinese Universities, 2000, 16(1): 5-9.

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A New Extraction Spectrophotometric Method for the Determination of Phenol in Water

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