Spectrophotometric determination of phenols in water samples by the GHPSAM method

被引：2

作者：

Campíns-Falcó, P ^{[1
]}

Tortajada-Genaro, LA ^{[1
]}

Antequera-Baixauli, R ^{[1
]}

Bosch-Reig, F ^{[1
]}

机构：

[1] Univ Valencia, Dept Quim Analit, Fac Quim, E-46100 Burjassot, Spain

来源：

INTERNATIONAL JOURNAL OF ENVIRONMENTAL ANALYTICAL CHEMISTRY | 2001年 / 79卷 / 03期

关键词：

GHPSAM; solid-phase extraction; UV-visible spectrophotometry; phenols;

D O I：

10.1080/03067310108044402

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The generalized H-point standard-additions method (GHPSAM) is proposed in order to obtain the phenol concentration in water samples when the matrix is completely unknown. The procedure involves solid-phase extraction in BondElut PPL cartridges and data handling of the UV-visible spectrophotometry measurements. The spectral regions where the unknown interferent behaviour can be considered as linear are found and the analyte concentration free from bias error is estimated. The percentages of recovery of phenols in spiked samples were similar to those obtained by HPLC. Cresols or chlorophenols can be also determined in real samples by this method. The concentration range tested was 0.075 - 12.5 mg L-1 and the limits of detection found were in the 2.4 - 5.4 mug L-1 range. The method has been applied to real harbour water samples. The results obtained are compared to those provided by HPLC.

引用

页码：241 / 256

页数：16

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