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Showing 1 to 12 of 72 entries
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Fate of Terpene Compounds in Activated Sludge Wastewater Treatment Systems.

Journal of the Air & Waste Management Association (1995)

Alvarez FR, Shaul GM, Krishnan ER, Perrin DL, Rahman M.
PMID: 26355376
J Air Waste Manag Assoc. 1999 Jun;49(6):734-9. doi: 10.1080/10473289.1999.10463838.

Terpene-based cleaners are being widely used in industrial cleaning formulations because of their ability to replace suspected ozone-depleting chemicals such as 1,1,1-trichloroethane and 1,1,2-trichloro-1,2,2-trifluoroethane (CFC-113). Substitution of chlorinated solvents with ter-pene-based cleaners, however, is expected to result in increased...

Packing effects on the geometry of neutral platinum(II) complexes due to solvate molecules: the structures of trans-dichlorobis(triphenylarsine)-platinum(II).

Acta crystallographica. Section B, Structural science

Johansson MH, Otto S, Roodt A, Oskarsson A.
PMID: 10794276
Acta Crystallogr B. 2000 Apr;56:226-33. doi: 10.1107/s0108768199014500.

A series of structures of trans-dichlorobis(triphenylarsine)platinum(II), recrystallized from four different solvents, have been characterized by X-ray crystallography and were shown to crystallize as different solvates (same metal complex, different crystallization solvents). Their geometric differences induced by packing and solvent...

Continuing emissions of methyl chloroform from Europe.

Nature

Krol MC, Lelieveld J, Oram DE, Sturrock GA, Penkett SA, Brenninkmeijer CA, Gros V, Williams J, Scheeren HA.
PMID: 12520294
Nature. 2003 Jan 09;421(6919):131-5. doi: 10.1038/nature01311.

The consumption of methyl chloroform (1,1,1-trichloroethane), an industrial solvent, has been banned by the 1987 Montreal Protocol because of its ozone-depleting potential. During the 1990s, global emissions have decreased substantially and, since 1999, near-zero emissions have been estimated for...

Static headspace versus head space solid-phase microextraction (HS-SPME) for the determination of volatile organochlorine compounds in landfill leachates by gas chromatography.

Talanta

Flórez Menéndez JC, Fernández Sánchez ML, Fernández Martínez E, Sánchez Uría JE, Sanz-Medel A.
PMID: 18969504
Talanta. 2004 Jul 08;63(4):809-14. doi: 10.1016/j.talanta.2003.12.044.

The determination of five volatile organochlorine compounds, VOX (chloroform, 1,1,1-trichloroethane, carbon tetrachloride, trichloroethene and tetrachloroethene) in raw landfill leachates and biologically cleansed leachates by GC-MS is investigated. Two extraction and preconcentration procedures were evaluated for recovery of such analies...

Improvement of HS-SPME for analysis of volatile organic compounds (VOC) in water samples by simultaneous direct fiber cooling and freezing of analyte solution.

Analytical and bioanalytical chemistry

Fries E, Püttmann W.
PMID: 16953318
Anal Bioanal Chem. 2006 Nov;386(5):1497-503. doi: 10.1007/s00216-006-0715-8. Epub 2006 Sep 05.

The sensitivity and precision of headspace solid-phase micro extraction (HS-SPME) at an analyte solution temperature (T (as)) of +35 degrees C and a fiber temperature (T (fiber)) of +5 degrees C were compared with those for HS-SPME at T...

Uptake and Metabolism of 2,2-bis-(p-Chlorophenyl-1,1,1-trichloroethane (DDT) by Marine Phytoplankton and Its Effects on Growth and Chloroplast Electron Transport.

Plant physiology

Bowes GW.
PMID: 16657918
Plant Physiol. 1972 Feb;49(2):172-6. doi: 10.1104/pp.49.2.172.

The effects of DDT (2,2-bis-(p-chlorophenyl)-1, 1, 1-trichloroethane) on the growth of seven marine phytoplankters, representative of five algal divisions, were studied. At a concentration of 80 parts per billion (0.23 mum) DDT, growth of Dunaliella tertiolecta was unaffected, and...

Water complexes of important air pollutants: geometries, complexation energies, concentrations, infrared spectra, and intrinsic reactivity.

The journal of physical chemistry. A

Galano A, Narciso-Lopez M, Francisco-Marquez M.
PMID: 20394451
J Phys Chem A. 2010 May 13;114(18):5796-809. doi: 10.1021/jp101157b.

Water complexes involving methanol, ethanol, formaldehyde, formic acid, acetone, ammonia, acetylene, ethylene, chloroethene, trichloroethene, 1,1,1-trichloroethane, hydroxyl radical, and hydroperoxyl radical have been studied. Enthalpies, entropies, and Gibbs free energies of association have been estimated, as well as the concentrations...

Toxicity of 1,1,1-Trichloroethane and Trichloroethene on a Mixed Culture of Methane-Oxidizing Bacteria.

Applied and environmental microbiology

Broholm K, Jensen BK, Christensen TH, Olsen L.
PMID: 16348260
Appl Environ Microbiol. 1990 Aug;56(8):2488-2493. doi: 10.1128/aem.56.8.2488-2493.1990.

The influence of trichloroethene (TCE; 0 to 65 mg/liter) and 1,1,1-trichloroethane (1,1,1-TCA; 0 to 103 mg/liter) on methane consumption of a mixed culture of methane-oxidizing bacteria was studied in laboratory batch experiments. Increasing concentrations of TCE or 1,1,1-TCA resulted...

Chirality-switchable circularly polarized luminescence in solution based on the solvent-dependent helix inversion of poly(quinoxaline-2,3-diyl)s.

Chemical communications (Cambridge, England)

Nagata Y, Nishikawa T, Suginome M.
PMID: 25034538
Chem Commun (Camb). 2014 Sep 07;50(69):9951-3. doi: 10.1039/c4cc03944k.

Poly(quinoxaline-2,3-diyl)s containing (S)-2-methylbutoxy side chains were found to exhibit blue circularly polarized luminescence (CPL). The handedness of the CPL could be switched by a solvent-dependent helix inversion of the polymer backbone between chloroform (M-helical structure) and 1,1,1-trichloroethane (P-helical structure).

Comparison of gas-solid chromatography and MM2 force field molecular binding energies for greenhouse gases on a carbonaceous surface.

Journal of colloid and interface science

Rybolt TR, Bivona KT, Thomas HE, O'Dell CM.
PMID: 19560156
J Colloid Interface Sci. 2009 Oct 01;338(1):287-92. doi: 10.1016/j.jcis.2009.06.001. Epub 2009 Jun 06.

Gas-solid chromatography was used to determine B(2s) (gas-solid virial coefficient) values for eight molecular adsorbates interacting with a carbon powder (Carbopack B, Supelco). B(2s) values were determined by multiple size variant injections within the temperature range of 313-553 K....

Effects of 1,1,1-Trichloroethane and Triclocarban on Reductive Dechlorination of Trichloroethene in a TCE-Reducing Culture.

Frontiers in microbiology

Wen LL, Chen JX, Fang JY, Li A, Zhao HP.
PMID: 28824572
Front Microbiol. 2017 Aug 03;8:1439. doi: 10.3389/fmicb.2017.01439. eCollection 2017.

Chlorinated compounds were generally present in the environment due to widespread use in the industry. A short-term study was performed to evaluate the effects of 1,1,1- trichloroethane (TCA) and triclocarban (TCC) on trichloroethene (TCE) removal in a reactor fed...

Enhanced VOC Absorption Using the Ozone/Hydrogen Peroxide Advanced Oxidation Process.

Journal of the Air & Waste Management Association (1995)

Lawson RB, Adams CD.
PMID: 28072373
J Air Waste Manag Assoc. 1999 Nov;49(11):1315-1323. doi: 10.1080/10473289.1999.10463959.

Promoting fast chemical reactions in the liquid phase can significantly increase the absorption rate of low-solubility volatile organic compounds (VOCs) in a packed column. In this research, an innovative scrubbing process was examined in which ozone was injected into...

Showing 1 to 12 of 72 entries