FTIR measurements
Comparisons of CH4 ground-based FTIR measurements near Saint Petersburg with GOSAT observations
... ground-based FTIR measurements at Bremen, Bialystok and Sodankyla TCCON sites obtained by Yoshida et ...our measurements are carried out near the Saint Petersburg megalopolis, so the total methane ...
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Information operator approach applied to the retrieval of the vertical distribution of atmospheric constituents from ground-based high-resolution FTIR measurements
... ground-based FTIR spectra taken in the framework of the Network for the Detection of Atmospheric Composi- tion Change (NDACC) at Ile de La R´eunion (21 ◦ S, 55 ◦ ...
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CFC-11, CFC-12 and HCFC-22 ground-based remote sensing FTIR measurements at Réunion Island and comparisons with MIPAS/ENVISAT data
... situ measurements, observations of CFCs and HCFCs abundances have also been made using re- mote sensing infrared spectroscopy ...the measurements of CFC-11 and CFC-12 from ILAS (Improved Limb Atmo- spheric ...
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CH 4emission estimates from an active landfill site inferred from a combined approach of CFD modelling and in situ FTIR measurements
... The instrument deployed at the northern edge of the landfill site in the portable cabin was a Spectronus Trace Gas and Iso- tope Analyser by Ecotech (Knoxfield, Australia), hereafter referred to as FTIR. Detailed ...
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Retrieval and satellite intercomparison of O3 measurements from ground-based FTIR Spectrometer at Equatorial Station: Addis Ababa, Ethiopia
... which FTIR measurements are performed are Mauna Loa ...resolution FTIR spectrometer on the African continent. The FTIR at Addis Ababa is planned to be part of the NDACC network that has been ...
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Validation of the IASI FORLI/EUMETSAT ozone products using satellite (GOME-2), ground-based (Brewer–Dobson, SAOZ, FTIR) and ozonesonde measurements
... ozone measurements from high-resolution solar absorption spectra recorded by GB FTIR (Fourier transform infrared) spectrometers available for the period from 2008 to 2017 were downloaded from ...ozone ...
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An intercomparison of total column-averaged nitrous oxide between ground-based FTIR TCCON and NDACC measurements at seven sites and comparisons with the GEOS-Chem model
... with FTIR measurements and the model ...surface measurements are about 0.3 ppb (Dlugokencky et al., 2018). As most FTIR sites are not installed with a flask sampling system, we use the closest ...
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Tropospheric CH 4signals as observed by NDACC FTIR at globally distributed sites and comparison to GAW surface in situ measurements
... situ measurements with the ground-based FTIR ...coinciding FTIR monthly ...one FTIR measurement at any day during the month, whereas for a daily coincidence we require that the in situ and the ...
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Ground-based FTIR retrievals of SF6 on Reunion Island
... 32.5 km. The vertical sensitivity of the FTIR retrieval is be- tween the surface and 20 km (see Fig. 3). For MIPAS and ACE-FTS measurements, Fig. 6 also shows the number of monthly means used for the trend ...
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Synchrotron FTIR imaging of OH in quartz mylonites
... on FTIR measurements of individual grains of a pure quartzite and independent Karl Fischer titra- tion of disaggregated quartz particles, and we do not under- stand the source of discrepancies in absorbance ...
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Rapid discrimination of maggots utilising ATR-FTIR spectroscopy
... (ATR- FTIR) has the potential to be a more practical technique that can easily be applied to forensic situations as it provides more detailed spectra, in particular within the fingerprint region, than that of NIR ...
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Application of FTIR imaging and spectroscopy to solid dosage formulations
... involving scatter plot provided better means to understand the complex data. Detailed analysis has shown that data pre-processing is vital in order to avoid misinterpretation. Further work was carried out with the aim of ...
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Authentication of Rothmannia whitfieldii Dye Extract with FTIR Spectroscopy
... the FTIR spectros- copy characterization of the coloured solutions and the dry powder of Roth- mannia whitfieldii fruit, it was observed that only the alkali method extracted what can be called a dye with likely ...
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Addition of a channel for XCO observations to a portable FTIR spectrometer for greenhouse gas measurements
... portable FTIR (Fourier transform infrared) spectrometer EM27/SUN, dedicated to the precise and accu- rate observation of column-averaged abundances of methane and carbon dioxide, has been equipped with a second ...
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Review on Study of Vibrational Spectroscopy through FTIR.
... of FTIR spectrometers for the rock-salt ...modern FTIR systems the steady mirror velocity is not firmlyrequisite, as extended as the laser fringes and the original interferogram are recorded simultaneously ...
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Predicting the Chemical Composition of Gallstones by FTIR Spectroscopy
... 6. Tsai w, lai K, LinC, Chan H, Lo C, Hsup l, Chen w, Cheng J,LO G. Composition of common bile duct stones in Chinese patients during and after endoscopic sphinctertomy. World J Gastroenterol 11: 4246-4249 (2005). 7. ...
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Application of a portable FTIR for measuring on-road emissions
... an FTIR analyzer was chosen for use in this system was its ability to differentiate between various hydrocarbon species in a gaseous ...the FTIR has the potential to be a very useful instrument in any work ...
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FTIR and Raman Studies of Cellulose Fibers of Luffa cylindrica
... In view of biomedical applications of cellulose fibers in orthopedics, dentistry and reconstructive surgery, Luffa cylindrica (LC), a local forest product of Orissa, India, has been used for preparation of alkali treated ...
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Spectroscopic analyses of water hyacinth: FTIR and modeling approaches
... Water hyacinth has received attention because of its potential to remove pollutants when utilized as a biological filtration system. It could remove several heavy metals as well as some organics. In the present work, ...
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Researching rumen degradation behaviour of protein by FTIR spectroscopy
... For in situ parameter correlation, the results showed that a higher α-helix to β-sheet ratio may result in a lower insoluble fraction and undegradable fraction, and a higher ruminally degraded part. This result was ...
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