• Together with the polychlorinated dioxins and furans, these two special classes of PCBs are often referred to as "dioxin-like" chemicals because they act in the body through a similar mechanism. (cdc.gov)
  • Our High-Resolution Mass Spectroscopy (HRGC-MS) laboratory offers Dioxins and Furans testing, and Poly-Chlorinated Biphenyls (PCB) testing for analysis of stack emissions, ash, soils, and water samples. (element.com)
  • As highly persistent substances, Dioxins and Furans can also accumulate in many foods, including livestock, and subsequently within the human body. (element.com)
  • Dioxins and Furans are highly hazardous substances and their release into the atmosphere and presence on land and in water are highly regulated. (element.com)
  • The UK Element Deeside laboratory is accredited to ISO 17025 and the MCERTS standard for the analysis of stack emission samples for Dioxins, Furans, and Dioxin-like polychlorinated biphenyls (PCB 12). (element.com)
  • Ash samples are ISO 17025 accredited for Dioxins and Furans and PCB 12. (element.com)
  • In addition, our experienced experts offer analysis of Dioxins and Furans on water and soil samples. (element.com)
  • Analyzing samples for Dioxins and Furans requires highly-trained analysts and specialized equipment. (element.com)
  • For more information about our Dioxins and Furans testing services or to request a quotation, contact us today. (element.com)
  • APC System Meets Stringent Subpart LLLL Mercury and Dioxins-Furans Emission Limits at Sewage Sludge Incinerator (SSI) in Eastern U.S. (apctechnologies.net)
  • One SSI in the eastern U.S. - using APC's air pollution control equipment for mercury emissions control, dioxins & furans emissions control, and particulate matter (PM) emissions control - in 2021 became one of the few such 'new' incinerators in the U.S. to comply with the more stringent Subpart LLLL emission limits. (apctechnologies.net)
  • APC's equipment was guaranteed to meet, and successfully met, the LLLL emission limits for mercury and dioxins & furans coming from the SSI. (apctechnologies.net)
  • This mercury control system and dioxins-furans emission control system, along with all of APC's other similar systems operating on other SSIs, has a flawless safety and reliability record, provides low operating costs, and requires little maintenance. (apctechnologies.net)
  • PC's standard air pollution control system offering for SSIs is an activated carbon system, which is long established as the technology of choice where high removal efficiency (i.e., 99%) is needed for mercury removal and dioxins-furans removal. (apctechnologies.net)
  • APC's mercury, dioxins-furans, and HAPs control systems operating at SSIs collectively have over 30 system-operating years - with a fully safe and high reliability record. (apctechnologies.net)
  • Dioxins and furans are two very similar groups of polyhalogenated compounds that are well-known toxic and persistent pollutants. (sourcewatch.org)
  • Often the term "dioxins" refers to both dioxins and furans. (sourcewatch.org)
  • [1] This family includes seven of the polychlorinated dibenzo dioxins (PCDDs) and ten of the polychlorinated dibenzo furans (PCDFs). (sourcewatch.org)
  • Another group of chemicals, polychlorinated biphenyls ( PCBs ), are also very similar to dioxins and furans. (sourcewatch.org)
  • [3] Dioxins and furans are both included in Annex C in the Stockholm Convention on Persistent Organic Pollutants, which means that "parties must take measures to reduce the unintentional releases of chemicals listed under Annex C with the goal of continuing minimization and, where feasible, ultimate elimination. (sourcewatch.org)
  • According to the EPA, dioxins and furans enter the environment from the incineration of municipal waste and medical waste, secondary copper smelting, forest fires, land application of sewage sludge , cement kilns, coal fired power plants, residential wood burning, chlorine bleaching of wood pulp, and perhaps backyard burning of household waste. (sourcewatch.org)
  • The term 'furans' is sometimes used interchangeably with 'dioxins. (atamanchemicals.com)
  • Title : Dioxins, furans and dioxin-like polychlorinated biphenyls Corporate Authors(s) : United States. (cdc.gov)
  • Characterizing exposures to flame retardants, dioxins, and furans among firefighters responding to controlled residential fires. (cdc.gov)
  • Urine samples were analyzed for OPFR metabolites, while serum samples were analyzed for PBDEs, brominated and chlorinated furans, and chlorinated dioxins. (cdc.gov)
  • His scientific research work concerns mainly persistent organic pollutants and other highly toxic compounds, including dioxins, furans, polychlorinated biphenyls, volatile organic compounds and pesticides. (who.int)
  • The name "furan" comes from the Latin furfur, which means bran (furfural is produced from bran). (wikipedia.org)
  • Industrially, furan is manufactured by the palladium-catalyzed decarbonylation of furfural, or by the copper-catalyzed oxidation of 1,3-butadiene: In the laboratory, furan can be obtained from furfural by oxidation to 2-furoic acid, followed by decarboxylation. (wikipedia.org)
  • Furfural, derived from sugars, is the major source of furans methanofuran is a cofactor in methanogenesis. (wikipedia.org)
  • Among furan derivatives, 2-furaldehyde (furfural) and 5-hydroxymethylfurfural (HMF) constitute the main degradation compounds generated from pentoses and hexoses degradation, respectively. (atamanchemicals.com)
  • Since 1922, Furfural has been and still is the primary building block of furan chemistry. (dalinyebo.com)
  • Ecoral™ is the DalinYebo label for furfural that is made in an environmental responsible manner, e.g. by using (award-winning [1]) technology developed and/or implemented by our subsidiary International Furan Technologies (Pty) Ltd ( www.ift.co.za ). (dalinyebo.com)
  • The reaction product is a mixture of isomers with preference for the endo isomer: Diels-Alder reaction of furan with arynes provides corresponding derivatives of dihydronaphthalenes, which are useful intermediates in synthesis of other polycyclic aromatic compounds. (wikipedia.org)
  • Fourteen 2-methyl-3-carboxylnaphtho[2,3-b]furan quinone derivatives (FNQ) were synthesized and evaluated using cultures of Plasmodium falciparum in vitro. (fiocruz.br)
  • Using the DIN 61198 procedure, it determines furan derivatives dissolved in oil, which can originate from the insulting paper, in 10-ml oil samples. (oelcheck.com)
  • Furan, as well as methyl-substituted furan derivatives, 2-methylfuran and 3-methylfuran, can form in foods through multiple pathways that involve different naturally-present precursor compounds (e.g. polyunsaturated fatty acids, sugars, ascorbic acid) that undergo thermal degradation or chemical rearrangement during food processing. (atamanchemicals.com)
  • The ERC identified furan, phenolphthalein, furfuryl alcohol, and tetrahydrofuran as having low potential to cause ecological harm. (canada.ca)
  • Considering all available lines of evidence presented in this draft screening assessment, there is low risk of harm to the environment from furan, phenolphthalein, furfuryl alcohol, and tetrahydrofuran. (canada.ca)
  • In this context, ASK Chemicals has developed MAGNASET as new generation of furan resins with reduced free furfuryl alcohol content featuring a milder classification and a performance comparable to conventional furan resins. (foundry-planet.com)
  • In contrast to phenolic-urethane or ester-curing phenolic systems, which are based on petrochemical components, furan binders are based on furfuryl alcohol, which is a readily available renewable raw material derived from agricultural waste such as corn husks or rice hulls. (foundry-planet.com)
  • Body burden levels of dioxin, furans, and PCBs among frequent consumers of Great Lakes sport fish. (cdc.gov)
  • The standard turnaround for Dioxin and Furan testing is 7-10 working days. (element.com)
  • Furan is not a dioxin-like compound. (atamanchemicals.com)
  • 3α * -tert-Butyl-4-(2-methoxy-1-naphthyl)naphtho[2,3-c]furan-1(3H)-one" Detailed information of the J-GLOBAL is a service based on the concept of Linking, Expanding, and Sparking, linking science and technology information which hitherto stood alone to support the generation of ideas. (go.jp)
  • 6b,11b-Dihydroxy-6b,11b-dihydro-7H-indeno[1,2-b]naphtho[2,1-d]furan-7-one (DHFO), an easily synthesisable, orally bioavailable and relatively non-toxic small molecule synthesised in our lab, was previously reported to possess anti-oxidant, 5-lipoxygenase inhibitory, anti-inflammatory and peripheral analgesic activities. (monash.edu)
  • Furans are particularly toxic and carcinogenic. (sandia.gov)
  • Furan is a colorless, flammable, highly volatile liquid with a boiling point close to room temperature. (wikipedia.org)
  • Furan is a colorless, volatile, liquid. (atamanchemicals.com)
  • Furan is a clear, colorless, flammable liquid cyclic ether with an ethereal odor. (atamanchemicals.com)
  • Furan appears as a clear colorless liquid with a strong odor. (atamanchemicals.com)
  • Furan is a colorless, volatile liquid used in some chemical manufacturing industries. (atamanchemicals.com)
  • Furan is a heterocyclic organic compound, consisting of a five-membered aromatic ring with four carbon atoms and one oxygen atom. (wikipedia.org)
  • The Committee made recommendations on the risks to health associated with six important contaminants in food (acrylamide, arsenic, deoxynivalenol, furan, mercury, and perchlorate). (who.int)
  • Health concerns relating to current estimated levels of intake were identified for acrylamide, arsenic and furan. (who.int)
  • For the first time, the spatial distributions of the highly volatile compounds furan and 5-hydroxymethylfurfural (HMF) have been determined in cross sections of green and roasted Coffea arabica beans. (unboundmedicine.com)
  • Furan itself was first prepared by Heinrich Limpricht in 1870, although he called it "tetraphenol" (as if it were a four-carbon analog to phenol, C6H5OH). (wikipedia.org)
  • We report a novel catalytic conversion of biomass-derived furans and alcohols to aromatics over zeolite catalysts. (nih.gov)
  • A Br nsted acid-catalyzed one-pot synthesis of indoles from o -aminobenzyl alcohols and furans via in situ formation of aminobenzylfuran followed by its recyclization into the indole core proved to be efficient for a wide range of substrates. (organic-chemistry.org)
  • Furan is used as a starting point for other speciality chemicals. (wikipedia.org)
  • Pursuant to section 68 or 74 of the Canadian Environmental Protection Act, 1999 (CEPA), the Minister of the Environment and the Minister of Health conducted a screening assessment of four of five substances referred to collectively under the Chemicals Management Plan as the Furan Compounds Group. (canada.ca)
  • Furan is also used as a solvent for resins and as a reactant/intermediate in the production of agricultural chemicals and pharmaceuticals, but was not identified in products available to consumers. (canada.ca)
  • ASK Chemicals has a strong background in Furan NoBake (FNB) chemistry and provides customer-made solutions based e.g., on their signature product ASKURAN for several decades. (foundry-planet.com)
  • The ecological risks of the substances in the Furan Compounds Group in this assessment were characterized using the ecological risk classification of organic substances (ERC). (canada.ca)
  • Thus, these heterocycles, especially furan, are far less aromatic than benzene, as is manifested in the lability of these rings. (wikipedia.org)
  • BS 4994 - Furan resin as thermoset FRP for chemical process plant equipments Furanocoumarin Furanoflavonoid Furanose Furantetracarboxylic acid Simple aromatic rings Furan fatty acids Tetrahydrofuran Nomenclature of Organic Chemistry : IUPAC Recommendations and Preferred Names 2013 (Blue Book). (wikipedia.org)
  • Furan is usually converted by hydrogenation to tetrahydrofuran, which is used as a solvent and for production of adipic acid and hexamethylenediamine, the raw materials for nylon-6,6. (atamanchemicals.com)
  • Starting with an ε-lactone, which is α,β-unsaturated in trichilinones A and D (1 and 4), attached to a tetrahydrofuran ring that is connected to an unusual bicyclo [5.1.0] hexane system, joined with a cyclopentanone with a 3-furanyl substituent [(2-oxo)-furan-(5H)-3-yl in trichilinone D (4)], the four compounds isolated display a new 7/5/3/5/5 limonoid ring system. (lu.se)
  • Hydrogenation of furans sequentially affords dihydrofurans and tetrahydrofurans. (wikipedia.org)
  • Chemical compounds containing such rings are also referred to as furans. (wikipedia.org)
  • The class of compounds containing such rings is also referred to as furans. (atamanchemicals.com)
  • The simplest member of the furan family is furan itself, a colourless, volatile, and somewhat toxic liquid that boils at 31.36° C (88.45° F). (atamanchemicals.com)
  • In addition, furans and other large oxygenated hydrocarbons are highly toxic and very frequently observed in combustion emissions. (sandia.gov)
  • Exposure to furan at doses about 2,000 times the projected level of human exposure from foods increases the risk of hepatocellular tumors in rats and mice and bile duct tumors in rats. (wikipedia.org)
  • Food is expected to be the primary source of exposure to furan for Canadians. (canada.ca)
  • Based on the above results, it is suggested that exposure to food -based contaminant furan induced remarkable changes in the F0 (parental stage) and F1 (offspring, pubertal, and adult stage) generations of Sprague Dawley rats . (bvsalud.org)
  • The aim of this review is to explore the use of polar organic solvents in the process of the manufacture of furans, while addressing the challenges of its industrial application, particularly in solvent recovery and recycling. (utwente.nl)
  • Furan is soluble in common organic solvents, including alcohol, ether, and acetone, and is slightly soluble in water. (atamanchemicals.com)
  • Furan or furfuran is a heterocyclic aromatic organic compound. (atamanchemicals.com)
  • Furan is a mancude organic heteromonocyclic parent, a member of furans and a monocyclic heteroarene. (atamanchemicals.com)
  • Furan, any of a class of organic compounds of the heterocyclic aromatic series characterized by a ring structure composed of one oxygen atom and four carbon atoms. (atamanchemicals.com)
  • Furan belongs to the class of organic compounds known as heteroaromatic compounds. (atamanchemicals.com)
  • Furan is a colourless, volatile organic compound that is used in some chemical manufacturing industries and may also be found in low levels in some foods, most notably in foods that undergo thermal treatment such as canning or jarring. (atamanchemicals.com)
  • Furan has aromatic character because one of the lone pairs of electrons on the oxygen atom is delocalized into the ring, creating a 4n + 2 aromatic system (see Hückel's rule). (wikipedia.org)
  • Furan is aromatic because Furan obeys the 4n+2 electron system rule. (atamanchemicals.com)
  • The work shows that furans are the main group of large oxygenated molecules formed during combustion. (sandia.gov)
  • Combustion sources of furans include biomass burning, cigarette and pipe smoke, waste incineration, electronic waste recycling, and volcanic activity. (sandia.gov)
  • Portions of this work were presented as follows: Brus LA, Lu D, and Peterson LA (2011) Oxidation of furan to a reactive metabolite by human cytochrome P450 enzymes. (aspetjournals.org)
  • Pyrrole can be prepared industrially by treating furan with ammonia in the presence of solid acid catalysts, such as SiO2 and Al2O3. (wikipedia.org)
  • Manufacturing furans employs the use of mineral acid catalysts (e.g. (utwente.nl)
  • The Feist-Benary synthesis is a classic way to synthesize furans. (wikipedia.org)
  • Many routes exist for the synthesis of substituted furans. (wikipedia.org)
  • Furan serves as a diene in Diels-Alder reactions with electron-deficient dienophiles such as ethyl (E)-3-nitroacrylate. (wikipedia.org)
  • Synchrotron-diffraction experiments and proton-affinity calculations clearly suggest that a preferred protonation of ethanol over the furan is a key step facilitating the Diels-Alder and dehydration reactions in the acid sites of the zeolite. (nih.gov)
  • citation needed] In the Achmatowicz reaction, furans are converted to dihydropyran compounds. (wikipedia.org)
  • The invention belongs to technical field of pesticide, relate to a kind of Pesticidal combination that contains furans worm hydrazides and amides compound. (google.com)
  • A kind of Pesticidal combination that contains furans worm hydrazides and amides compound, comprise effective active component, auxiliary agent and filler, it is characterized in that: active components A, B ratio of weight and number are 1: 60~60: 1, described active components A is selected from furans worm hydrazides, and active component B is selected from a kind of in fipronil bisamide, the Rynaxypyr. (google.com)
  • The first furan compound discovered was pyromucic acid (2-furoic acid), prepared in 1780. (atamanchemicals.com)
  • Like enol ethers, 2,5-disubstituted furans are susceptible to hydrolysis to reversibly give 1,4-diketones. (wikipedia.org)
  • Effects of endocrine disruptor furan on reproductive physiology of Sprague Dawley rats: An F1 Extended One-Generation Reproductive Toxicity Study (EOGRTS). (bvsalud.org)
  • The present study investigated the reproductive toxicity of furan in an Extended One-Generation Reproductive Toxicity Study in rats . (bvsalud.org)
  • Sprague Dawley F0 weaning rats (30 per sex per group) were exposed to furan orally at 0, 1, 2.5, 5, and 10 mg kg-1 for 10 weeks ( males ) and 2 weeks ( females ) and then mated. (bvsalud.org)
  • At postnatal day (PND) 70, a significant (p = 0.03) decrease in testosterone levels of male rats and estrogen levels of female rats (p = 0.05) was observed in 10 mg kg-1 furan-treated group in F1 generation. (bvsalud.org)
  • The molecular sites where oxygen is added are targets for additional reactions that can lead to formation of a five-member ring containing four carbon atoms and an oxygen atom, which is known as a furan. (sandia.gov)
  • Furan is a monocyclic heteroarene with a structure consisting of a 5-membered ring containing four carbons and one oxygen, with formula C4H4O. (atamanchemicals.com)
  • Furan has an important biological properties and pharmacological activity. (atamanchemicals.com)
  • The first furan derivative to be described was 2-furoic acid, by Carl Wilhelm Scheele in 1780. (wikipedia.org)
  • For Stack Emission Sampling , Element Deeside provides prepared and spiked XAD-2 resin traps, GFA filters, and glass bottles that comply with sampling to BS EN 1948. (element.com)
  • Their research was published in the July 2016 issue in the Proceedings of the National Academy of Science s in a paper titled "Formation and emission of large furans and oxygenated hydrocarbons from flames. (sandia.gov)
  • Research has indicated that coffee made in espresso makers and coffee made from capsules contain more furan than that made in traditional drip coffee makers, although the levels are still within safe health limits. (wikipedia.org)
  • This approach limits the selectivity towards furans to approx. (utwente.nl)
  • Furan is released to air as a gas phase component of cigarette smoke, wood smoke and exhaust gas from diesel and gasoline engines. (canada.ca)
  • Furan is a volatile (boiling point = 31.4°C) cyclic ether found in cigarette smoke. (atamanchemicals.com)
  • La sensibilisation et la formation du personnel, le tri des déchets médicaux solides et la mise en place d'installations de traitement simples sont les principales mesures suggérées pour améliorer les pratiques de gestion des déchets. (who.int)
  • In higher dose furan group (10 mg kg-1), testicular and ovarian weights were reduced in F1 generation at PND 70, with decreased daily sperm production (p = 0.01) and disturbed estrous cyclicity (p (bvsalud.org)
  • Some histopathological changes were also observed in testis and ovaries in groups whose parents were previously exposed to 10 mg kg-1 bw of furan group. (bvsalud.org)
  • Degradation problem under the resistance generation that the long-term use of furans worm hydrazides list agent may bring, the drug effect, the Pesticidal combination that the present invention proposes contains two kinds of active components of A, B, and an amount of surfactant and carrier. (google.com)
  • Often, product streams (e.g. glucose) still contain small amounts of undesired components (e.g. furans such as HMF). (tue.nl)
  • In recent years, this technology has been referred to as New Furan Technology (NFT). (foundry-planet.com)
  • Furan is found in heat-treated commercial foods and is produced through thermal degradation of natural food constituents. (wikipedia.org)
  • Furan has occasionally been reported to be found in foods. (atamanchemicals.com)
  • Furan is found in heat-treated (e.g. cooked, roasted, baked, pasteurized, and sterilized) commercial foods and is produced through thermal degradation of natural food constituents. (atamanchemicals.com)
  • Furan is a small family run Guest House offering value for money, quality and comfortable modern accommodation. (visitscotland.com)
  • Results of F0 indicated that in the furan-treated groups (5 mg kg-1 and 10 mg kg-1), body weight (bw) gain decreased during prebreed and gestational period while increased during lactation periods. (bvsalud.org)
  • Furan is therefore listed as a possible human carcinogen. (wikipedia.org)