We report an investigation of the photolysiskinetics of polycyclic aromatic hydrocarbons (PAHs) in aqueous solution, frozen in ice, and at air-ice interfaces. (syr.edu)
The kinetics study showed that the PCP degradation by photocatalysis was faster than by photolysis. (upt.ro)
The test substance photodegrades rapidly in various aqueous media under simulated sunlight and follows first order kinetics. (europa.eu)
Flash photolysis3
Rate constants for the reaction of phosphate radical with some aromatic and aliphatic amines have been determined by the flash photolysis technique. (ias.ac.in)
The borate radical is produced by the flash photolysis of an aqueous alkaline solution of NaBO 2 and K 2 S 2 O 8 . (ias.ac.in)
Reactions of Triplet-State Difloxacin with Amino Acids and dGMP: A Laser Flash Photolysis Study [J]. Acta Phys. (pku.edu.cn)
Irradiation3
Therefore, we studied the biodegradability of TMP and of its photolysis transformation products (PTPs) generated by irradiation with polychromatic UV light in aqueous solution. (leuphana.de)
Results of photolysis experiments under UV-A irradiation did not show any significant conversion for DCF, IBP and CBZ after 120 min. (ucy.ac.cy)
Photolysis in water was performed by Xe lamp irradiation. (leuphana.de)
Phys2
Crespo-Hernández, C. E., "Excited State Dynamics of 2'-Deoxyisoguanosine and Isoguanosine in Aqueous Solutions", Phys. (case.edu)
Radical-Induced Degradation of Fluoxetine in Aqueous Solution by Pulse and Steady-State Radiolysis Studies [J]. Acta Phys. (pku.edu.cn)
Degradation7
The article evaluated the degradation of the captopril in aqueous solution after ozonation and chlorination. (scirp.org)
In this study, the photocatalytic degradation of oxytetracycline (OTC) in aqueous solutions has been studied under different conditions such as initial pollutant concentrations, amount of catalyst, and pH of the solution. (hal.science)
Experimental results showed that photocatalysis was clearly the predominant process in the pollutant degradation, since OTC adsorption on the catalyst and photolysis are negligible. (hal.science)
This work evaluated the photocatalytic activity of suspended TiO2, and TiO2-coated glass Raschig rings with respect to degradation of estrogens estrone (E1), 17β-estradiol (E2), and 17α-ethinylestradiol (EE2) in aqueous solutions and wastewater effluent samples. (scielo.org)
TiO2 suspensions allowed degradation rates higher than 90% for all studied estrogens in 30 min for an artificial (ultraviolet A) UVA-assisted process and aqueous solution. (scielo.org)
Some derivatized degradation products were identified for the first time by GC-MS/MS applying ultraviolet C (UVC) photolysis and TiO2/UVA photocatalysis. (scielo.org)
A degradation route was suggested for EE2 in UVC photolysis and TiO2/UVA processes. (scielo.org)
Oxidation5
A large number of reactions of the SO3(-), SO4(-) and SO5(-) radicals relevant to the oxidation of sulphur dioxide and sulphuric acid in cloud waterchemistry have been investigated, using pulse radiolysis and laser photolysis methods. (europa.eu)
The data obtained have contributed to the identification and characterization of the individual reactions participating in the radical induced chain oxidation of sulphite to sulphate in aqueous solution. (europa.eu)
Aqueous solution of acetone may be used as a medium for the oxidation of alkynes to 1,2-diketones using potassium permanganate. (sigmaaldrich.com)
Gas-phase oxida- tion by OH radicals, and aqueous oxidation by H 2 O 2 ,O 3 and a radical chain reaction initiated by iron. (documents.pub)
Oxidation of parachloronitrobenzene in dilute aqueous solution by O 3 +UV and H 2 O 2 +UV: A comparative study. (zju.edu.cn)
COMPLEXES1
Research was carried out in order to characterize the reactions of the free radicals involved in the chain mechanism and to investigate the photolysis of iron (III) hydrated complexes as a possible source of hydroxyl radicals. (europa.eu)
Decomposition4
Electrolytic decomposition may result when electric current is passed through an aqueous solution of a compound. (mgsgyanbook.com)
An electric current is transferred via the electrolytic decomposition reaction in an aqueous solution of a chemical compound. (thechemistrynotes.com)
A photolysis reaction is a decomposition reaction in which the reactants absorb energy from photons to break down into their constituent parts. (thechemistrynotes.com)
Decomposition of dimethyl phthalate in an aqueous solution by ozonation with high silica zeolites and UV radiation. (sagepub.com)
Photocatalysis1
The experiments on photocatalysis and photolysis conducted at two pH values (3 and 6, respectively) revealed that pH has not influenced significantly the overall efficiency of the two processes. (upt.ro)
Nitrate3
Given the ubiquitous existence of chloride, nitrate, and acidic aerosols, we propose that nitrate photolysis is a significant daytime chlorine source globally. (nature.com)
Laboratory experiments show that illuminating solution of sodium chloride and nitrate under acidic condition and ambient particulates can produce a large amount of Cl 2 , which can explain a large fraction of the observed Cl 2 at our site. (nature.com)
We propose that nitrate photolysis at high aerosol acidity is an important pathway for activating inert chloride to produce photoliable Cl 2 during daytime in the polluted troposphere. (nature.com)
Hydrolysis2
Persistence: 'In laboratory studies performed to determine aqueous stability for aquatic toxicity tests, hydrolysis and/or photolysis effects were observed. (janusinfo.se)
abstract = "Pesticides enter surface and groundwater by several routes in which partition to sediment contributes to their fate by abiotic (e.g. photolysis, hydrolysis) and biotic processes. (leuphana.de)
Ozone2
The chemical equation below illustrates the breakdown of ozone into dioxygen and oxygen radicals as an illustration of a photolysis reaction. (thechemistrynotes.com)
Sonolysis of ozone in aqueous solution. (zju.edu.cn)
Adsorption1
50% of SM could not be re-extracted from sediment with 0.01M CaCl2 aqueous solution recommended in OECD test guideline for adsorption. (leuphana.de)
Polychromatic1
Dabigatran and rivaroxaban underwent direct photolysis with polychromatic quantum yields of 2.2 × 10(-4) and 4.4 × 10(-2), respectively. (researchgate.net)
Mixtures1
Subsequently, the biodegradability of SM and MG photolysis mixtures was examined in WST. (leuphana.de)
Processes1
In this research study, the removal of RG19 from aqueous solution was studied by O 3 /UV processes. (wwjournal.ir)
Thus, photolysis of DMNP-EDTA complexed with Ca 2+ results in a pulse of free Ca 2+ . (thermofisher.com)
Rapidly1
The NP-EGTA salt can be complexed with Ca 2+ to generate a caged Ca 2+ reagent that will rapidly deliver Ca 2+ upon photolysis ( Figure 19.8.1 ). (thermofisher.com)
Acid2
5] M.A. Behnajady, N. Modirshahla and M. Shokri: "Photodestruction of Acid Orange 7 (AO7) in aqueous solutions by UV/H2O2: influence of operational parameters", Chemosphere, Vol. 55, (2004), pp. 129-134. (edu.pl)
The photolysis of the carboxyl carbon-14C and carbonyl carbon-14C labeled test substance was studied in distilled water, potassium acid phthalate buffer (pH 5.0), and boric acid buffer (pH 9.0). (europa.eu)
Ultraviolet1
Ultraviolet radiation from the Sun causes methane photolysis in the upper atmosphere, leading to a series of hydrocarbon chemical reactions with the resulting products being carried downward by eddies and diffusion. (universetoday.com)
Absorption2
Carr, E. P. and M. L. Sherrill (1929) Bibliography of absorption spectra of solutions. (photochemcad.com)
Henri, V. (1929) Quantitative determination of ultra-violet absorption spectra in solutions of organic substances. (photochemcad.com)
The vertical yellow line (arrow) indicates the region scanned repetitively to generate the line-scan image shown in panel B. B) Two precisely localized Ca 2+ transients were elicited by two-photon photolysis of DMNP-EDTA using ultrafast high-repetition (120 fs, 80 MHz) laser pulses at 700 nm. (thermofisher.com)
4] J.H. Baxendale and J.A. Wilson: "Photolysis of hydrogen peroxide at high light intensities", Trans. (edu.pl)
Chemistry1
1 Introduction Sulfate and sulfur dioxide play an important role in en- vironmental chemistry and climate through their effect on aerosols. (documents.pub)
Conditions2
A solution of 26 mg/L hydrochlorothiazide was prepared in Mullin's Spring Water (pH = 8.2) and incubated at 21 C under lighted conditions. (janusinfo.se)
The half-life of the carboxyl carbon-14 labeled test substance in distilled water, pH 5 and pH 9 buffer solutions under the tested conditions were calculated as 1.9 days (3.7 days on 12 hour exposure), 2.7 days (5.3 days on 12 hour exposure), and 1.3 days (2.5 days on 12 hour exposure), respectively. (europa.eu)
Products1
The cytotoxicity of its by-products solutions were evaluated with 3-(4, 5-dimethylthiazol-2-yl)-2, 5-diphenyltetrazolium bromide (MTT) assay. (scirp.org)
Region1
In the plateau region of the photon flux dependence, anthracene located within the ice matrix (or in liquid pockets or veins in the ice) undergoes photolysis at a similar rate to that in room temperature aqueous solution, but the rate of anthracene photolysis at air-ice interfaces is five times greater. (syr.edu)
Source1
Because the photolysis product's K d for Mg 2+ is ~3 mM, DMNP-EDTA is an effective caged Mg 2+ source, in addition to its applications for photolytic Ca 2+ release. (thermofisher.com)
Series1
The electrochemical reduction of a series of quaternary phenacyclammonium and tertiary phenacylsulphonium salts in aqueous solution at a mercury cathode has been investigated using polarography, coulometry, titrimetry and product analysis methods. (londonmet.ac.uk)