Determining salinity using a multimode fiber optic surface plasmon resonance dip-probe

被引：70

作者：

Gentleman, DJ

Booksh, KS

机构：

[1] Arizona State Univ, Dept Chem & Biochem, Tempe, AZ 85287 USA

[2] Univ Toronto, Dept Chem, Toronto, ON M5S 1A1, Canada

来源：

TALANTA | 2006年 / 68卷 / 03期

关键词：

hydrothermal vents; practical salinity scale; refractive index; ocean density; fiber optic sensors;

D O I：

10.1016/j.talanta.2004.09.029

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

For the first time a fiber optic surface plasmon resonance sensor with demonstrated accuracy and precision of less than 200 ppm salinity is presented for calibration across a range of temperatures and salinities. Also shown is the potential for the sensor system to reach precisions of 10 ppm or less. Calibration models are constructed for 28-48 parts per thousand salinity and a method for translating the calibration models to account for varying temperatures between 0 and 25 degrees C are demonstrated. The long-term susceptibility of the fiber optic sensor to fouling and drift is discussed. (c) 2005 Elsevier B.V. All rights reserved.

引用

页码：504 / 515

页数：12

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