Absorption spectroscopy in the ultraviolet and visible spectral range of hexavalent chromium aqueous solutions

Anna Grazia Mignani; Lorenzo Spadoni

doi:10.1117/12.364192

16 September 1999 Absorption spectroscopy in the ultraviolet and visible spectral range of hexavalent chromium aqueous solutions

Anna Grazia Mignani, Lorenzo Spadoni

Author Affiliations +

Proceedings Volume 3821, Environmental Sensing and Applications; (1999) https://doi.org/10.1117/12.364192
Event: Industrial Lasers and Inspection (EUROPTO Series), 1999, Munich, Germany

Abstract

In order to demonstrate the possibility of performing direct absorption spectroscopy of Hexavalent Chromium aqueous solutions, absorption measurements were performed at the dual- beam spectrophotometer in the 250 - 850 nm spectral range, with 10 mm and 100 mm path lengths. Low concentration (26 - 520 (mu) g/l) (and high concentration (2.6 - 52 mg/l) solutions were analyzed, showing that it is possible to implement a basic instrumentation for risk condition monitoring and a more advanced instrumentation for quantitative measurements.

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Anna Grazia Mignani and Lorenzo Spadoni "Absorption spectroscopy in the ultraviolet and visible spectral range of hexavalent chromium aqueous solutions", Proc. SPIE 3821, Environmental Sensing and Applications, (16 September 1999); https://doi.org/10.1117/12.364192

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