No description available.

No description available.

No description available.

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No description available.

Aniline was chosen as an atmospheric pollutant which might be monitored using an electrochemical sensor. The effect of pH and of different organic solvents on electrode poisoning was investigated for the analysis of aniline by voltammetry and it was concluded that it was not possible to prevent poisoning of the electrode by the reaction products. The analysis of aniline by flow injection analysis (fia) with DC (constant potential) and pulsed (double pulse) amperometric detection also suffered from electrode poisoning and the latter had a relatively high detection limit. Secondary and tertiary substituted anilines with similar volatilities to aniline at room temperature were examined as suitable alternatives to aniline using voltammetry. Dimethyl-p-toluidine poisoned the electrode to a small extent when analysed by voltammetry. Detection of this compound by fia with pulsed amperometric detection showed improved electrode stability but was not judged suitable for long term monitoring of atmospheric samples of the amine. A satisfactory method for monitoring aniline on line was developed using fia with triple pulse amperometric detection (PAD). The PAD waveform was optimised with respect to a low detection limit and a degree of selectivity towards possible atmospheric interferents for the detection of aniline in dilute aqueous acid at a platinum electrode. A wall jet cell was designed for the analysis of aniline vapour in air which was continuously trapped in dilute acid and periodically injected into a fia system. The cell was not affected by small gas bubbles and was reasonably portable.

The purpose of the Creative Project was to investigate a variety of traditional and contemporary intaglio processes, to relate the processes to other artist's intaglio prints, and to further develop the writer's technical skills by creating a series of intaglio prints using the processes discussed in the research portion of the Creative Project. The Creative Project consisted of a written section containing background information pertaining to technical aspects of the medium and brief discussions of selected works by various artists, and the execution and discussion of a series of prints by the writer using the intaglio techniques separately and in combination with one another.The background information section of the Creative Project consisted of working definitions of technical terms and brief discussions of four prints selected from the Ball State University Art Gallery collection. The prints selected were executed by George Rouault, Susan Rothenberg, Chuck Close, and Jim Dine. The writer also included a brief discussion of some of Stanley William Hayter's contributions to intaglio printing.The execution of the Creative Project resulted in the creation of five intaglio prints. The prints were entitled Highway Aviary, Fish Anatomy, Family, Untitled (Seated Figure), and Dance of the Flightless Bird. Each print utilized different techniques or combinations of techniques on copper and zinc plates. The processes involved in the execution of the prints were engraving, etching, aquatint, mezzotint, and spit biting. The prints were black and white except for the work entitled Fish Anatomy, which was printed with four colors. The print entitled Dance of the Flightless Bird was printed using multiple colors, however the actual edition was black and white. The writer was able to acquire the necessary materials for completion of the project through a grant provided by the Ball State University Office of Research.The completion of the Creative Project resulted in the writer’s improved understanding of intaglio processes and greater technical skills resulting from extensive work in the medium. The Creative Project stressed the importance of intaglio printing in contemporary art and revealed the need for further investigation into experimental techniques in intaglio printing.

There is no abstract available for this thesis.

There is no abstract available for this thesis.

There is no abstract available for this thesis.