Prof Peter B Stockwell

P S Analytical specialise in the manufacture and support of instrumentation which is used for detection and measurement of mercury, arsenic, selenium, antimony, tellurium and bismuth down to ultra-low levels in all matrices. P S Analytical has gained an international reputation as leaders in the determination of these environmentally important elements. Matrices include water, soils, sludges, effluents and gases, with customers and installations worldwide.