2019
DOI: 10.1088/1755-1315/354/1/012067
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Quantitative detection of trace H2S based on ultraviolet differential optical absorption spectroscopy

Abstract: As an important decomposition component of SF6, H2S can provide an important information for the evaluation of insulation state of SF6 gas insulated equipment. Since H2S has obvious absorption in the ultraviolet (UV) range of 190∼230 nm, the UV absorption spectrum detection platform is established to realize its detection. In this paper, SF6 decomposition component detection platform based on UV spectroscopy was built, and the UV absorption spectrum of H2S was obtained. Since the UV absorption spectrum directl… Show more

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Cited by 2 publications
(1 citation statement)
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“…A detection limit of 17 ppb per meter for SO 2 was obtained based on broadband absorption spectroscopy. 7 Li et al 11 obtained a detection limit of 0.590 μL L −1 for H 2 S based on UV-DOAS with an absolute error of no more than 0.2 μL L −1 . Concentration correction equations for SO 2 , H 2 S and CS 2 were developed by utilizing UV-DOAS in conjunction with the least squares method.…”
Section: Introductionmentioning
confidence: 99%
“…A detection limit of 17 ppb per meter for SO 2 was obtained based on broadband absorption spectroscopy. 7 Li et al 11 obtained a detection limit of 0.590 μL L −1 for H 2 S based on UV-DOAS with an absolute error of no more than 0.2 μL L −1 . Concentration correction equations for SO 2 , H 2 S and CS 2 were developed by utilizing UV-DOAS in conjunction with the least squares method.…”
Section: Introductionmentioning
confidence: 99%