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HydrocarbonsPolycyclic Hydrocarbons, AromaticReceptors, Aryl HydrocarbonHydrocarbons, AromaticPolycyclic CompoundsTetrachlorodibenzodioxinHydrocarbons, HalogenatedAryl Hydrocarbon Receptor Nuclear TranslocatorHydrocarbons, ChlorinatedCytochrome P-450 CYP1A1Benzo(a)pyreneAryl Hydrocarbon HydroxylasesAlkanesPetroleumBenz(a)AnthracenesPyrenesBenzopyrenesDioxinsBiodegradation, EnvironmentalSoil PollutantsMethylcholanthreneHydrocarbons, AlicyclicPhenanthrenesEnvironmental PollutantsHydrocarbons, AcyclicFuel OilsGasolineWater Pollutants, ChemicalCarcinogensPetroleum PollutionDNA AdductsChrysenesEnvironmental MonitoringBenzoflavonesAlkenesCoal TarEnzyme InductionPolychlorinated BiphenylsCokebeta-NaphthoflavoneGas Chromatography-Mass SpectrometryBay-Region, Polycyclic Aromatic HydrocarbonCreosoteCarcinogens, EnvironmentalAcenaphthenesCytochrome P-450 Enzyme SystemAir PollutantsTolueneChromatography, GasBiotransformationIntegumentary System7,8-Dihydro-7,8-dihydroxybenzo(a)pyrene 9,10-oxideXylenesBenzopyrene HydroxylaseBenzene DerivativesMutagensKeroseneXenobioticsGulf of MexicoAir Pollutants, Occupational9,10-Dimethyl-1,2-benzanthraceneOccupational ExposureBenzeneVehicle EmissionsOctanesOil and Gas FieldsSoil MicrobiologyWater Pollution, ChemicalCytochrome P-450 CYP1A2NaphthalenesButanesSex AttractantsEthanePropaneGeologic SedimentsMineral OilHydrocarbons, CyclicLipid BilayersCoalEnvironmental ExposureAnthracenesMolecular ConformationDihydroxydihydrobenzopyrenesFluorenesLiverTeratogensSolventsBacteriaHexanesAntsMolecular StructureOxygenasesFundulidaeBasic Helix-Loop-Helix Transcription FactorsStructure-Activity RelationshipPheromonesParticulate MatterTerpenesKetonesMolecular Sequence Data
Aromatic and halogenated hydrocarbonsChromatographyDeterminationVolatileAliphaticCompoundsSolventsExposureSolventEthersKetonesMetabolitesAlcoholsChloroformSamplingAldehydesToxicityLiquidGasesVOCsNitrogenOilsChemicalCompositionPetroleumOxygenPOLYMERISATIONSubstancesHydrogenDetectionGlueMeasurementWaterHumansEffectsMeansSoilIntellectual propertyTestPresent invention providesExtraction
Aromatic and halogenated hydrocarbons2
  • ISO 22155:2011 specifies a static headspace method for quantitative gas chromatographic determination of volatile aromatic and halogenated hydrocarbons and selected aliphatic ethers in soil. (iso.org)
  • With volatile organic compounds (VOCs) containing aromatic and halogenated hydrocarbons such as benzene, toluene, and xylene that can adversely affect the respiratory and cardiovascular systems when a certain concentration is reached, it is important to accurately evaluate the source and the corresponding health risk effects. (e-jehs.org)
Chromatography2
  • ISO 16035:2003 specifies a method for the determination of low-boiling halogenated hydrocarbons by means of static headspace gas chromatography. (iso.org)
  • An automated analytical method was developed using capillary gas chromatography (GC) and mass spectrometry (MS) with selected-ion monitoring (SIM) detection and isotope-dilution. (cdc.gov)
Determination2
  • A method is described for the adsorption on charcoal and desorption with carbon - disulfide (75150) for gas chromatographic determination of 1,1,1,2-tetrachloro-2,2,difluoroethane. (cdc.gov)
  • ISO 9924-3:2009 specifies a thermogravimetric method for the determination of the main constituents of rubber compounds such as elastomer(s), carbon black and mineral filler. (iso.org)
Volatile4
  • volatile halogenated hydrocarbons: 0,01 mg/kg to 0,2 mg/kg. (iso.org)
  • In addition, many volatile substances that contain hydrocarbons (eg, glue, propellants) are commonly abused for their euphoric effects. (medscape.com)
  • The recreational use of inhaling hydrocarbons and other volatile solvents for the purposes of creating a euphoric state is becoming increasingly common. (medscape.com)
  • With the exception of nitrous oxide, inhalation anesthetics are volatile halogenated hydrocarbons. (yourzdoctor.com)
Aliphatic4
  • 2018. Occurrence, distribution and composition of aliphatic and polycyclic aromatic hydrocarbons in sediment cores from the Lower Fox River, Wisconsin, US. (nih.gov)
  • Hydrocarbons can be classified as being aliphatic, in which the carbon moieties are arranged in a linear or branched chain, or aromatic, in which the carbon moieties are arranged in a ring. (medscape.com)
  • Unlike the aromatic or aliphatic hydrocarbons, the halogenated hydrocarbons tend to cause a wider range of toxicity. (medscape.com)
  • While most aliphatic hydrocarbons have little GI absorption, aspiration frequently occurs, either initially or in a semidelayed fashion as the patient coughs or vomits, thereby resulting in pulmonary effects. (medscape.com)
Compounds7
  • Halogenated hydrocarbon solvents are ubiquitously distributed toxic compounds. (iso.org)
  • The method is applicable to all edible fats and oils to determine these compounds in the range 0,01 mg/kg to 0,2 mg/kg. (iso.org)
  • The present invention provides a method for producing a fluorine-containing haloolefin compound, said method being able to reduce the generation of overly fluorinated compounds as by-products in the production of the fluorine-containing haloolefin compound and produce the target product of high purity at a high yield. (trademarkelite.com)
  • Filipovic was the first female professional engineer employed by Linde Division of Union Carbide Canada Inc. She co-invented the "Blue Bottle" technology that helps people safely recover halogenated hydrocarbon compounds, such as refrigerants, CFCs, methyl bromide fumigants and other toxic substances, for re-use. (science.ca)
  • Polycyclic aromatic hydrocarbons (PAH) consist of compounds composed of carbon and hydrogen in the form of aromatic rings. (nematictech.com)
  • Since polyaromatic hydrocarbons are grouped under a large number of different compounds, some tests only provide exposure insight into one PAH. (nematictech.com)
  • development of methods to determine carbon isotopic ratios of DOC and polar as well as size fractioned compounds. (uni-hamburg.de)
Solvents2
  • This International Standard specifies a method to determine if paints, varnishes, paint binders, solvents, petroleum or related products, when maintained at a selected equilibrium temperature and under the conditions of the test, give off sufficient flammable vapour to cause ignition on application of an external source of flame applied in a standard manner. (iso.org)
  • The halogenated solvents are VOCs consisting of a hydrocarbon chain or one hydrocarbon substituted with one or more chlorine or bromine atoms. (cdc.gov)
Exposure6
  • Toxicity from hydrocarbon exposure can be thought of as different syndromes, depending on which organ system is predominately involved. (medscape.com)
  • Pulmonary complications, especially aspiration, are the most frequently reported adverse effect of hydrocarbon exposure. (medscape.com)
  • Environmental carcinogens : methods of analysis and exposure measurement. (who.int)
  • As Hulka has so clearly stated, "the most important current limitation in many epidemiological studies is the relative inac- curacy of methods for measuring the exposure variable" (2). (cdc.gov)
  • The available methods for testing exposure in the work feild are very limited. (nematictech.com)
  • Because non-occupationally exposed individuals have blood VOC concentrations within this range, this method is applicable for determining these quantities and investigating cases of sustained or recent low-level exposure. (cdc.gov)
Solvent1
  • The interpretation of results obtained from solvent mixtures containing halogenated hydrocarbons, should be considered with caution, as these mixtures can give anomalous results. (iso.org)
Ethers2
Ketones1
  • It offers good resistance to oxidizing agents and vegetable oils, limited resistance to aldehydes and poor resistance to esters, halogenated and aromatic hydrocarbons and ketones. (lonssuchem.com)
Metabolites1
  • Release of fluoride, bromide, and different metabolites of halogenated hydrocarbons can have an effect on those organs, especially in the event that they gather with regularly repeated management of anesthetics. (yourzdoctor.com)
Alcohols1
Chloroform2
  • Immediately Dangerous to Life or Health Concentrations (IDLH) Value Profile: Chloroform -NIOSH reviews relevant scientific data and researches methods for developing IDLH values. (cdc.gov)
  • Adrenaline/epinephrine is contraindicated for use during general anaesthesia with chloroform, trichloroethylene, or cyclopropane, and should be used cautiously, it at all, with other halogenated hydrocarbon anaesthetics. (medicines.org.uk)
Sampling3
  • Comparison of a Modified VOST Sampling Method to Method 0030. (epa.gov)
  • Field Evaluation of a Modified VOST Sampling Method. (epa.gov)
  • Field Test of a Generic Method for Halogenated Hydrocarbons: A VOST Test at a Chemical Manufacturing Facility Using a Modified VOST Sampling Method. (epa.gov)
Aldehydes1
  • The free chlorine reacts with pollutants introduced by humans, such as sweat and urine 1 , to form aldehydes, halogenated hydrocarbons, and chloramines. (ersjournals.com)
Toxicity8
  • 1980. Halogenated methanes: Metabolism and toxicity. (cdc.gov)
  • Toxicity from hydrocarbon ingestion can affect many different organs, but the lungs are the most commonly affected. (medscape.com)
  • The chemical properties of the individual hydrocarbon determine the specific toxicity, while the dose and route of ingestion affect which organs are exposed to the toxicity. (medscape.com)
  • The toxicity of hydrocarbons is directly related to their physical properties, specifically the viscosity, volatility, surface tension, and chemical activity of the side chains. (medscape.com)
  • The amount of hydrocarbon ingested has not consistently been linked to the degree of aspiration and hence pulmonary toxicity. (medscape.com)
  • The number of aromatic rings possessed by a polyaromatic hydrocarbon is correlated to its toxicity. (nematictech.com)
  • Among the group of halogenated PAHs both chlorinated PAHs and brominated PAHs should be monitored due to their very high toxicity. (nematictech.com)
  • We demonstrated a screening method to identify potential chemicals related to reproductive and ER-mediated toxicities utilizing chemical toxicity big data and deep learning. (e-jehs.org)
Liquid2
  • most are liquid, but some short-chain hydrocarbons (eg, butane) are gas at room temperature, whereas other long-chain hydrocarbons (eg, waxes) are solid at room temperature. (medscape.com)
  • This invention provides a method for stably producing 2,3,3,3-tetrafluoropropene for a long period of time wherein unreacted materials are reused after distillation without liquid-liquid separation to suppress catalyst deactivation. (trademarkelite.com)
Gases1
  • Investigation of sources and sinks of climate relevant trace gases such as CO 2 , CH 4 and halogenated hydrocarbons in rivers and the sea using stable carbon isotopic ratios. (uni-hamburg.de)
VOCs1
  • This method quantifies levels of individual VOCs in whole blood to low-parts-per-trillion range. (cdc.gov)
Nitrogen1
  • Overview chemistry of hydrocarbons and their oxygen, nitrogen, sulfur and halogenated derivatives (selection of those items with an emphasis on substance important for the specific PhD work). (vsb.cz)
Oils1
Chemical4
  • A total of 37 combinations of supported and unsupported polymeric sheet materials joined by various seaming methods was subjected to 6 chemical solutions. (geomembrane.com)
  • In order to monitor for polyaromatic hydrocarbons, Nematic Technologies has created a wearable chemical monitor that is capable of detecting polyaromatic hydrocarbons. (nematictech.com)
  • Chlorobenzene (monochlorobenzene) and the three dichlorobenzenes are halogenated aromatic hydrocarbons primarily used in industrial and chemical synthetic processes. (cdc.gov)
  • To better understand the implications for ozone (O3) pollution control strategies, we applied integrated analysis approaches based on the de-weathered statistical model, parameterization methods, chemical box model, and positive matrix factorization model. (bvsalud.org)
Composition1
Petroleum4
Oxygen2
  • The hydrocarbon loses electrons and is oxidized while oxygen gains electrons and is reduced. (montana.edu)
  • Hydrocarbons with a high volatility can vaporize and displace oxygen, which can lead to a transient state of hypoxia. (medscape.com)
POLYMERISATION1
  • According to R. H. Burgess in the book "Manufacture and Processing of PVC," PVC plastic is manufactured by three methods: mass (bulk) polymerisation, emulsion and suspension. (lonssuchem.com)
Substances4
  • Distribution and fate of halogenated organic substances in an anoxic marine environment. (cdc.gov)
  • Conventional methods to remove, reduce, or mitigate toxic substances introduced into soil or ground water via anthropogenic activities and processes include pump and treat systems, soil vapor extraction, incineration, and containment. (montana.edu)
  • Hydrocarbons are a heterogeneous group of organic substances that are primarily composed of carbon and hydrogen molecules. (medscape.com)
  • This group of hydrocarbons are produced when substances that cause pollution, such as coal, oil, and gasoline, are burned. (nematictech.com)
Hydrogen4
  • This method is the forerunner for that used today, which uses hydrogen chloride instead of sulfuric acid and sodium chloride. (wikipedia.org)
  • This chlorination method also cogenerates hydrogen chloride, which poses a disposal problem. (wikipedia.org)
  • Halogenated hydrocarbons are a subgroup of aromatic hydrocarbons, in which one of the hydrogen molecules is substituted by a halogen group. (medscape.com)
  • The method for producing 2,3,3,3-tetrafluoropropene comprises the step of reacting 1233xf or like chloropropene with hydrogen fluoride in the presence of a catalyst. (trademarkelite.com)
Detection1
  • Molecular detection methods will developed and optimised for the monitoring of bioremediation processes. (eugris.info)
Glue1
  • The installation method is very simple using mounting glue. (jocavi.net)
Measurement1
  • The pH effect on the method of ruggedness testing determined that pre-PhMA is stable across the normal human urine pH range and that neutral conditions must be maintained throughout quantification for robust and accurate measurement of urinary pre-PhMA concentrations. (cdc.gov)
Water1
  • Utility of each of these conventional methods of treatment of contaminated soil and/or water suffers from recognizable drawbacks and may involve some level of risk. (montana.edu)
Humans2
  • Methods for detecting DNA damaging agents in humans: applications in cancer epidemiology and prevention / editors, H. Bartsch, K. Hemminki & I. K. O'Neill. (who.int)
  • For example, halogenated PAHs pose elevated health concern to humans. (nematictech.com)
Effects3
  • However, with an adeq battery of necf expsre blmarkers, prospective studies of en- vironmental effects on pregnancy outcomes might be possible. (cdc.gov)
  • In addition, methods were developed for using databases of electronic primary-care records in order to evaluate the zone's health effects. (who.int)
  • 2008) will necessitate new study designs to determine effects from lower exposures and apply methods to accommodate the reduction. (who.int)
Means1
  • Computational techniques, including predictive algorithms and mathematical models that describe a selected process (e.g., skin permeation) by means of analytical or numerical methods. (cdc.gov)
Soil1
Intellectual property1
  • This simulation method was developed by JOCAVI and its intellectual property belongs to JOCAVI Acoustic Panels. (jocavi.net)
Test2
  • In addition six NDT (nondestructive test) methods were evaluated. (geomembrane.com)
  • ESD-Safe with a 10^6 to 10^9 ohm surface resistivity on 3DP sample using concentric ring test method. (3dfilaprint.com)
Present invention provides1
  • The method and device of the present invention provides surprising improvements in the efficiency of the OE devices and the production thereof. (justia.com)
Extraction1
  • This method applies to raw or compounded rubbers, vulcanized and unvulcanized, after preliminary extraction. (iso.org)