Cantilever-enhanced photoacoustic measurement of HTO in water vapor

Juho Karhu; Markus Nyman; Marja Siitari-Kauppi; Tuomas Hieta

doi:10.1016/j.pacs.2022.100443

Cantilever-enhanced photoacoustic measurement of HTO in water vapor

Juho Karhu, Markus Nyman, Marja Siitari-Kauppi, Tuomas Hieta

Metrology Research Institute

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Abstract

A photoacoustic detection of tritiated water (HTO) is presented. The method uses cantilever-enhanced photoacoustic spectroscopy (CEPAS) to reach sub-ppb sensitivity for HTO in the gas phase. A noise equivalent concentration of 0.88 ppb is reached with a sampling time of 1 min. The high performance and small sample volume of CEPAS allows sensitive detection of HTO from a sample with low total activity.

Original language	English
Article number	100443
Number of pages	6
Journal	Photoacoustics
Volume	29
Early online date	30 Dec 2022
DOIs	https://doi.org/10.1016/j.pacs.2022.100443
Publication status	Published - Feb 2023
MoE publication type	A1 Journal article-refereed

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1-s2.0-S2213597922001082-mainFinal published version, 1.7 MBLicence: CC BY

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title = "Cantilever-enhanced photoacoustic measurement of HTO in water vapor",

abstract = "A photoacoustic detection of tritiated water (HTO) is presented. The method uses cantilever-enhanced photoacoustic spectroscopy (CEPAS) to reach sub-ppb sensitivity for HTO in the gas phase. A noise equivalent concentration of 0.88 ppb is reached with a sampling time of 1 min. The high performance and small sample volume of CEPAS allows sensitive detection of HTO from a sample with low total activity.",

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AB - A photoacoustic detection of tritiated water (HTO) is presented. The method uses cantilever-enhanced photoacoustic spectroscopy (CEPAS) to reach sub-ppb sensitivity for HTO in the gas phase. A noise equivalent concentration of 0.88 ppb is reached with a sampling time of 1 min. The high performance and small sample volume of CEPAS allows sensitive detection of HTO from a sample with low total activity.

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Cantilever-enhanced photoacoustic measurement of HTO in water vapor

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PREIN: Photonics Research and Innovation

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Cantilever-enhanced photoacoustic measurement of HTO in water vapor

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PREIN: Photonics Research and Innovation

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