A Simple Optical Method for Determination of the Dielectric Constant of Salt (%) Water using Ultraviolet Light

Prof. Samir A. Hamouda and Maqboula Khamis Ibrahim
Optical Transmission Method; Refractive Index (N); Extinction Coefficient (K); Salt Water; Dielectric Constant.
Optical constants such as refractive index, absorption coefficient, extinction coefficient and the real (εr) and imaginary (εi) components of the dielectric constant for NaCl salt water (10-50%) were determined from the UV Optical transmission data. Results of UV transmission analysis in salt water have shown that in dilute solutions the dielectric constant (real & img) is linear. The addition of dissolved Na and Cl ions above (50%) to water results in a drop in dielectric constant.
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Received : 28 January 2022
Accepted : 19 June 2022
Published : 24 June 2022
DOI: 10.30726/esij/v9.i2.2022.92001

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