Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Variable pathlength cell"'
Publikováno v:
Spectroscopy Letters. 49:588-595
A method to estimate the absorbance spectrum caused by the variation in the concentration of a substance in a medium at the optimum pathlength for every wavelength on a wide waveband without adjusting the cell’s size precisely was presented in the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f7ce3a1746159326114e1139ef69c48a
https://doi.org/10.1080/00387010.2016.1231117
https://doi.org/10.1080/00387010.2016.1231117
Publikováno v:
The 8th International Symposium on Ultrafast Phenomena and Terahertz Waves.
In order to demonstrate the relationship between the concentration and absorbance for the karyocyte, the cell suspensions with different concentrations were detected by THz-TDS. The result showed there was a linear correlation, which was obvious freq
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eb071ab450ddf4477cedb5dfa89cbed7
https://doi.org/10.1364/isuptw.2016.it2a.12
https://doi.org/10.1364/isuptw.2016.it2a.12
Autor:
Tetsuo Fukuchi
Publikováno v:
IEEJ Transactions on Fundamentals and Materials. 129:809-814
The absorption characteristics of sulfur dioxide (SO2) and sulfur trioxide (SO3) in the infrared region were measured using a quantum cascade laser and an absorption cell of length 1 m heated to 150°C. The laser was scanned over the wavelength range
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::90beaeb25cae11594ffdf41f7ffcfe42
https://doi.org/10.1541/ieejfms.129.809
https://doi.org/10.1541/ieejfms.129.809
Autor:
Takahide Sugiyama, Yuichi Kawamura, Yoshitaka Takubo, Tohru Takeguchi, Naohisa Inoue, Yasuhiro Yonezawa, Yasunori Goto
Publikováno v:
ECS Transactions. 16:343-350
Radiation induced complexes in low carbon concentration, low electron dose Czochralski silicon crystal are examined by infrared absorption spectroscopy. By using the highly sensitive, highly accurate measurement and arithmetic procedures, carbon-oxyg
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0cef3e5bb07d391425bd10cd21e1c80c
https://doi.org/10.1149/1.2980317
https://doi.org/10.1149/1.2980317
Publikováno v:
Japanese Journal of Applied Physics. 46:1717-1721
To determine the isotopomer abundance ratio of 13CH4 to 12CH4 by infrared absorption spectroscopy, we selected the ν3 P(6) A1 transition of 13CH4 at 2947.6970 cm-1 and the ν2+ν4 R(6) F1 transition of 12CH4 at 2947.4246 cm-1, which simultaneously s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::29dc91dac2e2c72bce21ce1c58fe8191
https://doi.org/10.1143/jjap.46.1717
https://doi.org/10.1143/jjap.46.1717
Publikováno v:
Spectrochimica Acta Part B: Atomic Spectroscopy. 58:1997-2014
A discussion about the significance of Absorbance and sample optical thickness in conventional absorption spectrometry and wavelength-modulated laser absorption spectrometry
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5860b422a45cfd99873895ba8175d5cd
https://doi.org/10.1016/j.sab.2003.08.006
https://doi.org/10.1016/j.sab.2003.08.006
Autor:
Hongming Yi, Xiaoming Gao, Tao Wu, Amélie Lauraguais, Guillaume Dhont, Cécile Coeur, Eric Fertein, Weidong Chen, V. Semenov
Publikováno v:
Imaging and Applied Optics 2014.
Real time concentration monitoring of NO3, NO2, O3 and N2O5 for study of chemical kinetic process in smog chamber by open-path LED-IBBCEAS operating near 662 nm and QCL absorption spectroscopy at ~8 µm
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::729f5045571ce239b7c8d7ed0e7f629d
https://doi.org/10.1364/aio.2014.jtu4a.37
https://doi.org/10.1364/aio.2014.jtu4a.37
Long pathlength absorbance spectroscopy: trace analysis of Fe(II) using a 4.5m liquid core waveguide
Publikováno v:
Analytica Chimica Acta. 357:99-102
A Liquid Core Waveguide (LCW) can be used to extend the sensitivity of conventional absorbance spectroscopy by two or more orders of magnitude. Analysis of dissolved iron concentrations with a 4.47 m pathlength LCW made of Teflon AF-2400 provides a 0
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6d4d02aadcb39c305896261411b926e7
https://doi.org/10.1016/s0003-2670(97)00530-8
https://doi.org/10.1016/s0003-2670(97)00530-8
Publikováno v:
Analytical Biochemistry. 248:234-245
Water (H2O and D2O) molar absorptivity was measured by Fourier transform infrared transmission spectroscopy in the 1000-4000 cm-1 range at 25 degrees C. A series of assembled cells with path lengths from 1.2 to 120.5 microns was used for these measur
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f3eabb2524ea174611780e8812b99c16
https://doi.org/10.1006/abio.1997.2136
https://doi.org/10.1006/abio.1997.2136
Publikováno v:
Applied Spectroscopy. 49:1821-1825
The presentation of absorption intensities in infrared spectra is usually limited to relative intensities instead of absolute intensities. The measurement of absolute intensities can be facilitated by the use of secondary intensity standards. Such st
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b9e1ce2d347a0d4b63ac952100defb98
https://doi.org/10.1366/0003702953966000
https://doi.org/10.1366/0003702953966000