az 2020 air purifier system (Claind Inc)
90
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Claind Inc
az 2020 air purifier system
Az 2020 Air Purifier System, supplied by Claind Inc, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
https://www.bioz.com/product/air+purifier+az+2020/air+purifier+az+2020/10__3390_slash_insects16030318-48-6-11
Average 90 stars, based on 1 article reviews
Az 2020 Air Purifier System, supplied by Claind Inc, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
https://www.bioz.com/product/air+purifier+az+2020/air+purifier+az+2020/10__3390_slash_insects16030318-48-6-11
Average 90 stars, based on 1 article reviews
az 2020 air purifier system - by Bioz Stars,
2026-10
90/100 stars
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Purification:Article Title: Ozonolysis of a Series of Methylated Alkenes: Reaction Rate Coefficients and Gas-Phase Products Article Snippet: The gas-phase ozonolysis of three methylated alkenes, i.e., trans-2,2-dimethyl3-hexene (22dM3H), trans-2,5-dimethyl-3-hexene (25dM3H), and 4-methyl-1-pentene (4M1P), has been investigated in the presence of sufficient hydroxyl radical scavenger in a laminar flow reactor at ambient temperature (296 ± 2 K) and P = 1 atm of dry air (RH 5%).. Ozone levels in the reactor were monitored by an automatic analyzer.. Alkene and gas-phase product concentrations were determined via online sampling either on three-bed adsorbent cartridges followed by thermodesorption and GC/FID-MS analysis or on 2,4-dinitrophenylhydrazine (DNPH) cartridges for subsequent HPLC/UV analysis. Article Title: Development and validation of an automated monitoring system for oxygenated volatile organic compounds and nitrile compounds in ambient air. Article Snippet: Few studies were conducted on oxygenated volatile organic compounds (OVOC) because of problems encountered during the sampling/analyzing steps induced by water in sampled air.. Consequently, there is a lack of knowledge of their spatial and temporal trends and their origins in ambient air.. In this study, an analyzer consisted of a thermal desorber (TD) interfaced with a gas chromatograph (GC) and a flame ionization detector (FID) was developed for online measurements of 18 OVOC in ambient air including 4 alcohols, 6 aldehydes, 3 ketones, 3 ethers, 2 esters and 4 nitriles. Article Title: Development of a new flow reactor for kinetic studies. Application to the ozonolysis of a series of alkenes. Article Snippet: A new flow reactor has been developed to study ozonolysis reactions at ambient pressure and room temperature (297 ± 2 K).. The reaction kinetics of O3 with 4-methyl-1-pentene (4M1P), 2-methyl-2-pentene (2M2P), 2,4,4-trimethyl-1-pentene (tM1P), 2,4,4-trimethyl-2-pentene (tM2P) and α-pinene have been investigated under pseudo-first-order conditions.. Absolute measurements of the rate coefficients have been carried out by recording O3 consumption in excess of organic compound. Article Title: Radial diffusive samplers for determination of 8-h concentration of BTEX, acetone, ethanol and ozone in ambient air during a sea breeze event Article Snippet: The radial diffusive sampler Radiello filled with Carbograph 4 was evaluated for monitoring BTEX, ethanol and acetone concentrations for 8-hour exposure time.. The sampling rates were first evaluated in an exposure chamber under standard conditions.. Benzene and toluene showed the highest sampling rates with satisfactory standard deviations. Produced:Article Title: Ozonolysis of a Series of Methylated Alkenes: Reaction Rate Coefficients and Gas-Phase Products Article Snippet: The gas-phase ozonolysis of three methylated alkenes, i.e., trans-2,2-dimethyl3-hexene (22dM3H), trans-2,5-dimethyl-3-hexene (25dM3H), and 4-methyl-1-pentene (4M1P), has been investigated in the presence of sufficient hydroxyl radical scavenger in a laminar flow reactor at ambient temperature (296 ± 2 K) and P = 1 atm of dry air (RH 5%).. Ozone levels in the reactor were monitored by an automatic analyzer.. Alkene and gas-phase product concentrations were determined via online sampling either on three-bed adsorbent cartridges followed by thermodesorption and GC/FID-MS analysis or on 2,4-dinitrophenylhydrazine (DNPH) cartridges for subsequent HPLC/UV analysis. Article Title: The effect of the wind velocity on the uptake rates of various diffusive samplers Article Snippet: This paper examines the results of experiments carried out in an exposure chamber to determine the wind effects on the performance of various diffusive sampler types commonly used for measuring gaseous pollutants in air.. The resistance to wind of six diffusive samplers, two Palmes tubes, a badge with diffusion membrane, the EMD sampler and two radial diffusive samplers for different pollutants was compared in a range of velocities from 0 to 300 cm s . For all diffusive samplers tested, an increase in uptake rate was observed with increased air velocity usually following a logarithmic function.. The consequences are an underestimation in the concentration measured by the diffusive samplers for low wind velocities below 30 cm s 1 and conversely an overestimation from 60 cm s . The magnitude of wind effects depends on diffusive sampler type and exceeds an uptake rate variation of 20% for the axial diffusion tubes and the EMD sampler. Article Title: Development of a new flow reactor for kinetic studies. Application to the ozonolysis of a series of alkenes. Article Snippet: A new flow reactor has been developed to study ozonolysis reactions at ambient pressure and room temperature (297 ± 2 K).. The reaction kinetics of O3 with 4-methyl-1-pentene (4M1P), 2-methyl-2-pentene (2M2P), 2,4,4-trimethyl-1-pentene (tM1P), 2,4,4-trimethyl-2-pentene (tM2P) and α-pinene have been investigated under pseudo-first-order conditions.. Absolute measurements of the rate coefficients have been carried out by recording O3 consumption in excess of organic compound. Article Title: Passive sampling of glycol ethers and their acetates in indoor air. Article Snippet: This study examined the performances of a thermal desorbable radial diffusive sampler for the weekly measurement of eight glycol ethers in indoor air and described the results of an application of this method carried out as part of HABIT’AIR Nord – Pas de Calais program for the air monitoring of these compounds in sixty homes located in northern France.. The target compounds were the four glycol ethers banned from sale to the public in France since the 1990s (i.e. 2-methoxy ethanol, 2-ethoxy ethanol and their acetates) and four other glycol ethers derivatives of which the use have increased considerably (i.e. 1-methoxy-2-propanol, 2-butoxy ethanol and their acetates).. A test program was carried out with the aim of validating the passive sampling method. Concentration Assay:Article Title: An original device to assess the respiratory impact of indoor air VOCs mixture using an in vitro approach Article Snippet: .. These three high concentration mixtures were diluted with a clean dry air supplied by a compressor associated to an |