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A stainless steel plate heat exchanger (PHE) was received to investigate the cause of its perforation in service leading to mixing of the fluids (water and refrigerant) circulating in the system. The heat exchanger was employed in a blast chiller using seawater subjected to a reverse osmosis process followed by salinization and sanitizing treatments. This study includes the analysis of water samples...
Electrochemical micro-cell systems based on the use of glass micro-capillaries enable to perform standard electrochemical measurements on areas with dimension in the micro- or submicrometer range. The base principle is the miniaturization of the working electrode, which is obtained using a micro-capillary to position the electrolyte on the sample surface. This technique has been extensively employed...
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