"Development of field test kit for the determination of nickel (II) in water samples"

Date

4-2009

Degree

Bachelor of Science in Chemistry

College

College of Arts and Sciences (CAS)

Adviser/Committee Chair

Myrna S. Rodriguez

Abstract

SESANTE, ACE CHRISTIAN G. College of Arts and Sciences, University of the Philippines Los Banos, April 2009. DEVELOPMENT OF A FIELD TEST MT FOR THE DETERMINATION OF NICKEL(II) IN WATER SAMPLES.

ADVISER: Dr. Myrna S. Rodriguez

A field test kit which contains a sensor and a color chart for the detection of low level nickel(II) in water samples was developed with the use dimethylglyoxime. A drop of water samples with nickel(II) content gave a pink to bright red color when subjected to the sensor. The sensor was stable enough and can be stored for seven days.

The sensor was selective for nickel(II) only in the presence of coppern, and lead(II). Cadmium(II) did not interfere with the color but caused a slightly less intense result due to the scattering of the pink color. The sensor gave the most intense color for nickel(II) at pH 8 and 9.

Six water samples were subjected to the dimethylglyoxime-based sensor. The nickel(II) concentration was estimated using the color chart. The same water samples were also subjected to UV-visible spectroscopy and the nickel(II) concentration determined were compared to the results from the sensor. The nickel(II) concentration estimated using the sensor was in good agreement with that obtained using the UV-visible spectroscopic determination of nickel(II).

Language

English

Location

UPLB Main Library Special Collections Section (USCS)

Call Number

Thesis

Document Type

Thesis

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