Scanning Thickness Measurement System

As technology evolves products are designed with narrower manufacturing tolerances which require more precise manufacturing practices and testing. This project designs and implements a scanning thickness gauge for use in the sheet extrusion industry. The report discusses the need for the scanning thickness gauge and why a commercially available system was not an option. The report details the steps taken to program, interface, and implement a scanning thickness gauge using an existing thickness measurement device. The finished project is discussed including the limitations of the system and future improvements to the system

The role of atomic fluorescence spectrometry in the automatic environmental monitoring of trace element analysis

Considerable attention has been drawn to the environmental levels of mercury, arsenic, selenium and antimony in the last decade. Legislative and environmental pressure has forced levels to be lowered and this has created an additional burden for analytical chemists. Not only does an analysis have to reach lower detection levels, but it also has to be seen to be correct. Atomic fluorescence detection, especially when coupled to vapour generation techniques, offers both sensitivity and specificity