A Continuous, Pumpless Flow Cell for Inert-Gas-Protected Spectroscopic Measurements

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Abstract:

In absorbance and luminescence experiments the sample is often susceptible to photodecomposition in the presence of oxygen and, therefore, needs to be degassed and flowed through the sample excitation cell. One usually accomplishes degassing by bubbling an inert gas through the sample, while a peristaltic pump or syringe pump is normally used to propel the sample through the excitation cell. We have, however, developed a pumpless flow system which utilizes inert gas pressure to maintain a continuous sample flow while simultaneously deaerating the sample solution.

Keywords: Spectroscopic techniques

Document Type: Research Article

DOI: http://dx.doi.org/10.1366/0003702874447527

Affiliations: 1: Florida State University, Chemistry Department, Tallahassee, Florida 32306; current address: Chemistry Department, The Ohio State University, Columbus, OH 43210 2: Florida State University, Chemistry Department, Tallahassee, Florida 32306; current address: Department of Biophysics, Huygens Laboratory, P. O. Box 9504, Wassenaarseweg 78, 2300 RA Leiden, The Netherlands

Publication date: September 1, 1987

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