Showing posts with label Carbon monoxide. Show all posts
Showing posts with label Carbon monoxide. Show all posts

Thursday, 16 December 2021

Reactions of Immobilized Palladium (II) Complexes with Carbon Monoxide | Chapter 10 | New Innovations in Chemistry and Biochemistry Vol. 5

 The researchers looked at palladium (II) complex compounds that had been adsorbed on the dry inner surface of nano-porous silicate glass. The spectral reaction of solid specimens containing Pd(II) salts and organic complexes on carbon monoxide in the environment was manufactured and examined. While reacting with carbon monoxide, the specimens showed subtle and reversible colour changes. The creation and dissociation of coordination compounds on the nano-porous glass inner surface are thought to be involved in the reaction mechanisms. The research findings could be used in chemical sensors to detect carbon monoxide in the atmosphere, according to the researchers. The processes were given a chemical explanation.


Author(S) Details

Alexander F. Novikov
National Research University of Information Technologies, Mechanics and Optics, ITMO University, Russia.

View Book:- https://stm.bookpi.org/NICB-V5/article/view/5151

Monday, 30 August 2021

Modeling and Selection of the Best Absorption Lines for the Detection of Carbon Monoxide at 2.35 Micron with Tunable Diode Lasers| Chapter 9 | Newest Updates in Physical Science Research Vol. 13

 At 2.35 m, a simulation of high-resolution absorption spectra of carbon monoxide (CO) and other interfering gases was performed. The study's major goal was to determine the optimum CO absorption lines for spectral analysis of this molecule at 2.35 m in complicated gas mixtures like exhaled air with the best sensitivity, selectivity, and detection speed. Several CO absorption lines have been developed. The optimum method for laser-based spectrum analysis of CO in complicated gas mixtures under high humidity and high CO2 concentrations has been determined. The maximum sensitivity and selectivity of CO analysis in the near-infrared spectral range can be obtained by measuring resonance absorption in these lines.


Author(s) Details

E. V. Stepanov
A.M. Prokhorov General Physics Institute of Russian Academy of Science, Moscow, Russia.

View Book :- https://stm.bookpi.org/NUPSR-V13/article/view/2927

Real-Time Monitoring of Carbon Monoxide Production and Utilization by Plants with Tunable Diode Laser| Chapter 7 | Newest Updates in Physical Science Research Vol. 13

 CO in the microcosm of some plants was studied using a carbon monoxide analyzer based on tunable diode lasers. The designed analyzer has a high sensitivity (at 5 ppb) and close to 100 percent selectivity to water vapours and CO2, allowing for real-time CO monitoring in a plant microcosm. One of the goals of the research was to show that using spectral gas analysis based on tunable diode laser spectroscopy, it was possible to examine CO generation and usage by plants. CO production and release into the environment were measured in our in-vitro experiment. early stages of plant development were discovered in the atmosphere (stage of germination and growth of seedlings wheat, cucumbers and colza). When examining the CO levels in the microcosm of the produced plants, a high CO absorption from the surrounding air was detected.


Author(s) Details

E. V. Stepanov
A.M. Prokhorov General Physics Institute of Russian Academy of Science, Moscow, Russia.

View Book :- https://stm.bookpi.org/NUPSR-V13/article/view/2925

Sunday, 8 November 2020

Evaluating the Effects of Synthesis Methods on the Catalytic Activity of Platinum and Osmium Supported on Titania for Carbon Monoxide Oxidation| Chapter 5 | Modern Advances in Geography, Environment and Earth Sciences Vol. 1

 Titania (Pt / TiO2, Os / TiO2) catalyst materials assisted by platinum and osmium were synthesised by solid solid (SSI), sol-gel (SGI) and incipient wetness impregnation (IWI) techniques. X-ray diffraction (XRD), SEM, Raman spectroscopy, surface area analysis (BET), and Fourier transform infrared spectroscopy were used to characterise the catalysts. X-ray diffraction and Raman scattering ex-situ structural tests showed that the anatase phase is preserved in the Titania phase in 10 percent of Pt or Os. The experiment showed that assisted platinum and osmium are active catalysts for maximum oxidation of CO to CO2 at moderate temperature; for both Pt and Os, the SSI method gave the most active catalysts. At temperatures below 100 ° C, Pt catalysts prepared by SSI were active and displayed much greater activity than Osmium catalysts. Trends in pollution from vehicle emissions that contribute to the rise in atmospheric zinc, copper, lead, manganese and cadmium have been recorded. It was decided over a period between 1957 and 2018. A worrying, worrying thing The pattern for almost all heavy metals was observed as the amounts of these metals increased. Over the past decades, exponentially. This poses many questions, because if this pattern is not stopped, it will As some heavy metals have reported values that surpass the WHO guidelines, they may damage the study area. On the boundaries of these metals.



Author (s) Details

Carlos H. Deliz
School of Natural Science and Technology, Universidad del Turabo, P.O.Box 3030, Gurabo, Puerto Rico.

Santander Nieto
School of Natural Science and Technology, Universidad del Turabo, P.O.Box 3030, Gurabo, Puerto Rico.


View Book :-  https://bp.bookpi.org/index.php/bpi/catalog/book/305