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- DOI to cite this document:
- 10.5283/epub.21067
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Abstract
A fast responding fiber-optic microsensor for sensing pCO(2) in marine sediments with high spatial resolution is presented. The tip diameter varies typically between 20 and 50 mu m. In order to make the pi-I-indicator 8-hydroxypyrene-1,3,6-trisulfonate soluble in the ethyl cellulose matrix, it was lipophilized with tetraoctylammonium as the counterion [HPTS-(TOA)(4)]. The microsensor was tuned to ...

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