How To Use Nitril In A Sentence
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His report also rapped Ottawa for not doing enough to combat emissions of a noxious substance called acrylonitrile, which is produced when manufacturing synthetic rubber.
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The process of ferrous ion removal was improved for the nitrilon plant by sodium rhodanate one-step method and the consumption of materials decreased.
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P - methoxybenzeneacetonitrile was prepared in 34.8 % yield starting from anisole, via chloromethylation, cyanogenation and fractional distillation.
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Further research led to the development of a fiber Vinyon N, which is a copolymer of vinyl chloride with acrylonitrile.
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Both cyanides and nitriles have the general formula RCN with a triple bond between the carbon and nitrogen (R-CN).
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Made of a synthetic material called nitrile, it is less expensive - about $2 each - and not noisy.
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In accordance with this embodiment, the dye cation formed from heterolysis of the leuconitrile color former is bleachable at high doses of actinic radiation.
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In addition to greenhouse gas reductions, the report looked at new regulations to reduce the release of toxic and carcinogenic emissions such as benzene, a chemical that is released from gas pumps and acrylonitrile, which is used to manufacture synthetic rubber.
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It is a polymer of carboxylated butadiene and acrylonitrile, and it first was introduced as an industrial glove.
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The repeatability and accuracy of the analytical method were studied. The effect of different sample introducing amounts and correction factor on flat peak of acetonitrile were discussed.
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With regard to this solvent selectivity, acetonitrile is completely miscible in water but forms very weak hydrogen bonds in its capacity as a hydrogen bond acceptor.
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Nitriles can be decomposed by acids or alkalis to give the corresponding carboxylic acid or they can be reduced to give primary amines.
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The gel pieces were rewashed twice for >1 hr in 500 l of 0.1 M ammonium bicarbonate in 50% acetonitrile.
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The column was equilibrated with water and eluted in a acetonitrile gradient.
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The acetonitrile solution containing mixed anhydride is added to 150 ml. of acetonitrile containing 7.6 g. of diethylamine.
L.S.D., R.I.P.
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The stabilized polyacrylonitrile fiber was prepared by the method of liquid - phase stabilization carbonized in nitrogen atmosphere.
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Organic cyanide, like methyl cyanide, propylene nitrile, Ding Jing and so on.
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The initial eluent was 2.5% water in acetonitrile for 4 min, followed by a slightly concave gradient reaching 25% water at 12 min.
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Four different solvent media were considered: octane, tetrahydrofuran, acetonitrile, and water.
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Acetonitrile is completely miscible with water, but is only a hydrogen bond acceptor and a very weak one at that.
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The present invention relates to a new fluidized-bed catalyst used in a process of propylene ammoxidation to acrylonitrile.
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In this reaction, an ester joins with another ester, a ketone, or a nitrile.
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Polyamide resin, thermoplastic polyurethane, acrylonitrile butadiene styrene, nylon, and styrene acrylonitrile materials are also available.
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Although these authors were primarily concerned with the isolation and chemistry of the condensation products of malononitrile and various aldehydes, sternutatory and irritant properties on the part of some of the compounds were reported.
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Many allergy sufferers use gloves made from nitrile, a synthetic polymer of butadiene, acrylonitrile, and carboxylic acid.
The Scientist
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Although the knock-off looked just like the original and had PC/PBT markings imprinted on it, materials testing revealed that it was actually made of acrylonitrile butadiene styrene (ABS) plastic, which is more brittle and not up to the job.
Video: Knock-off bumper part "explodes" in crash test
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The same photoproducts were obtained when the irradiation was performed in aerated acetonitrile, although the extent of photodegradation was even lower in this solvent.
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Good ventilation, goggles, and butyl or nitrile rubber gloves are essential; work in a hood is recommended.
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The compounds most commonly employed as lacrimatory agents or ‘tear gases’ are chloroacetophenone and ortho-chlorobenzalmalononitrile.
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Buna S was a copolymer of butadiene and styrene; Buna N used butadiene and acrylonitrile as copolymers.
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Made of a synthetic material called nitrile, it is less expensive – about $2 each – and not noisy.
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The acetonitrile is evaporated in vacuo leaving a residue which comprises the “normal” and “iso” forms of d-lysergic acid N,N-diethyl amide together with some lysergic acid, the diethylamine salt of trifluoroacetic acid and like by-products.
L.S.D., R.I.P.
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P - methoxybenzeneacetonitrile was prepared in 34.8 % yield starting from anisole, via chloromethylation, cyanogenation and fractional distillation.
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Enzymatic activity in extracts of a soil fungus, Myrothecium verrucaria, hydrates the nitrile group of cyanamide with formation of urea.
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So inventors cast around for something to do with propylene and discovered it can be turned into something called acrylonitrile, which can be made into those acrylic outdoor carpets.
THE STORY OF STUFF
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They may be prepared by converting nitriles into amidoximes by the action of hydroxylamine, the amidoximes so formed being then acylated by acid chlorides or anhydrides.
Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 1 "Austria, Lower" to "Bacon"
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Nitriles are formed by heating amides with phosphorous pentoxide or by treating organic halogen compounds with sodium cyanide.
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Acrylic fiber is a synthetic fiber polymerized from acrylonitrile, a combination of acrylic resin and nitrile.
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The propellant is a mix of aluminum, ammonium perchlorate, a polymer called polybutadiene acrylonitrile, epoxy and iron oxide poured into cylindrical steel casings 12 feet wide, almost like cake batter into pans.
NYT > Home Page
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In this reaction, an ester joins with another ester, a ketone, or a nitrile.
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A C-F cleavage reaction was found when using ortho-fluoro substituted benzonitrile, which resulted in the formation of new C-C bond.
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Over the years sealing applications have evolved from the traditional rubber and rubber-fabric seal constructions to a design which has a face of hard wearing thermoplastic polyester elastomer in contact with the bore, whereas the older design relies on a nitrile rubber dynamic sealing element.
Next Sealed | SciFi, Fantasy & Horror Collectibles
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Secondary and tertiary amides are prepared by reacting primary amides or nitriles with organic acids.
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The remaining nitrile, after decantation or filtration, is still colored but is substantially free of amide.
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Specifically, suggestions for the projects of clean coal, propylene oxide, methyl-carbonate, polyether, cumene, acrylonitrile, propylene glycol ether, etc. were proposed.
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The stabilized polyacrylonitrile fiber was prepared by the method of liquid - phase stabilization carbonized in nitrogen atmosphere.
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Operating profit in the petrochemicals segment rose 22%, backed by stable demand for polyvinyl chloride products from emerging markets such as India and the Middle East and rising prices of acrylonitrile butadiene styrene and other premium products, it said.
LG Chem Earnings Beat Estimates
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Nitriles can be decomposed by acids or alkalis to give the corresponding carboxylic acid or they can be reduced to give primary amines.
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These toxins include nitriles, isothiocyanates, oxozaladines, and epithioalkanes.
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Over the years sealing applications have evolved from the traditional rubber and rubber-fabric seal constructions to a design which has a face of hard wearing thermoplastic polyester elastomer in contact with the bore, whereas the older design relies on a nitrile rubber dynamic sealing element.
Next Sealed | SciFi, Fantasy & Horror Collectibles
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Phenylacetonitrile, or PAN for short, normally governs swarming behaviour in adult males who also use it to warn other males to leave them in peace while they mate.
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Acetonitrile (ug) 92 85 Benzene (ug) 76 67 Toluene (ug) 112 108 Dimethylnitrosamine (ng) 75 84 Methylethylnitrosamine (ng) 27 30 Particulate Matter Analysis Phenol (ug) 76.8 138.5 o-Cresol (ug) 76.8 24 mp-Cresol (ug) 54.4 65 2.4 - and 2.5 - dimethylphenol (ug) 6.8 14.4
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Objective:To establish a gas chromatography method for determination of methacrylonitrile in the air in a workplace by solvent desorption.
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The motor utilizes polybutadiene acrylonitrile (PBAN) propellant.
A Look at the Ares Projects Plan - NASA Watch
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Glyphosate is mainly produced from two kinds of glycine and IDA; other raw materials include glycine, dimethyl phosphite, paraformaldehyde, iminodiacetic acetonitrile, diethanolamine, phosphorous acid, liquid caustic soda, sulfuric acid, hydrogen peroxide, and hydrochloric acid.
The Earth Times Online Newspaper
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The oxidation further enhances the physical properties of carbon black filled nitrile butadiene rubber ( NBR ) .
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All attempts to prepare fulminic acid, or nitro-aceto - nitrile, C (NO_ {2}) H_ {2} CN, from the fulminates have failed.
Nitro-Explosives: A Practical Treatise
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Nowadays I wouldn’t shake her hand without wearing thick nitril gloves (sorry to say!
Katy Perry Pregnant?
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Secondary and tertiary amides are prepared by reacting primary amides or nitriles with organic acids.
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Latex gloves are permeable to chemicals, so nitrile gloves are your best choice.
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These alkoxynitriles are known from the above patents to dissolvebutadiene - 1,3 in preference to the less unsaturated butylenes and butanes.
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Both cyanides and nitriles have the general formula RCN with a triple bond between the carbon and nitrogen (R-CN).
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Parallel experiments were performed in acetonitrile and phosphate-buffered saline aqueous solutions under both aerobic and anaerobic conditions.
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The Ares I launch vehicle's first stage is a single, five-segment reusable solid rocket booster derived from the Space Shuttle Program's reusable solid rocket motor that burns a specially formulated and shaped solid propellant called polybutadiene acrylonitrile (PBAN).
Documenting Reality
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2898-2902 (1992) [5] Topp, E.; Xun, L.; Orser, C.S.: Biodegradation of the herbicide bromoxynil (3,5-dibromo-4-hydroxybenzonitrile) by purified pentachlorophenol hy - droxylase and whole cells of Flavobacterium sp. strain ATCC 39723 is ac - companied by cyanogenesis.
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The motor utilizes polybutadiene acrylonitrile PBAN propellant.
NASA Watch: Marc Boucher: May 2009 Archives
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It is a polymer of carboxylated butadiene and acrylonitrile, and it first was introduced as an industrial glove.
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The nitrated peptides were eluted with 50% acetonitrile/0. 2% trifluoroacetic acid, dried, resuspended in 1.5 µl of matrix suspension (4 mg α-cyano-4-hydroxycinnamic acid, 0.8 mg 3,5-dihydroxybenzoic acid in 50% acetonitrile/0. 1% trifluoroacetic acid, 0.1 mM fucose), and deposited on a stainless steel target.
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The carbonyl group can be broken down by the action of hydrogen cyanide; a hydroxyl group and a nitrile group are formed in this reaction.
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But common nitriles, such as hydrogen cyanide have masses more similar to nitrogen or methane, making them harder to pick out of the INMS results with only one night's study.
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We have also carried out measurements with mixtures of water and acetonitrile, a solvent that is a hydrogen bond acceptor.
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The enzymatic conversion of p-hydroxyphenylacet - aldoxime to p-hydroxymandelonitrile.
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Car and simulacrum sounder clapperboard sodomist use the myrmeleon to onwards rook alder and polypropenonitrile mwera to cut osteal pay flagellant.
Rational Review
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Surgical Glove, Examination Glove, Nitrile Glove, Medical Tape, Wound Dressing, Face Mask Medical Equipment.
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The FC2 female condom is a nitrile sheath or pouch 6.5 inches in length.
Marcia G. Yerman: MAC Cosmetics and Lady Gaga: Promoting Women's Sexual Empowerment Through HIV/AIDS Awareness
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The second-generation condom is similar in design and performance to the FC1, except that it is made of a synthetic rubber called nitrile and costs about 30\% less, the company said.
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Secondary and tertiary amides are prepared by reacting primary amides or nitriles with organic acids.
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The gland seal design continues to include a plastic anti-extrusion ring, but is now of a larger section to withstand the increased metal-to-metal gaps which are the result of using bearing strip, the sealing material is now a responsive hydrolysis-resistant thermoplastic polyurethane, energised by a nitrile element.
Next Sealed | SciFi, Fantasy & Horror Collectibles
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For Bchl and Chl dissolved in diethyl ether, toluene, acetone, ethanol and acetonitrile, the Mg atom was found to be pentacoordinated, whereas it was hexacoordinated in dioxane, tetrahydrofuran, pyridine and methanol.
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The mycotoxin then can be eluted from the column by washing with an organic solvent such as methanol or acetonitrile.
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The organic solvents used in the present study were n-butanol, acetonitrile, methanol, n-propanol, isopropanol, and isobutanol.
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Nitrile is used to make acrylic rubber for common gaskets, seals and nitrile / PVC rubber-combos for insulation.
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The motor utilizes polybutadiene acrylonitrile (PBAN) propellant.
NASA Watch: May 2009 Archives
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The repeatability and accuracy of the analytical method were studied. The effect of different sample introducing amounts and correction factor on flat peak of acetonitrile were discussed.
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Nobody learns the lubricants or the acrylonitrile or the gold production business at university.
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The single - pass yield of acrylonitrile increased by 2 % ~3 % after the catalyst reactivation.
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Unlike PVC gloves, neoprene and nitrile gloves showed leakage rates comparable to latex gloves.
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The availability of experimental data for this reaction using cutinase in acetonitrile and supercritical CO2 has prompted this choice.
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Phenylacetonitrile, or PAN for short, normally governs swarming behaviour in adult males who also use it to warn other males to leave them in peace while they mate.
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After hydrogenation, each of the four new amines on the ends of the molecule can react with acrylonitrile, resulting in eight new ends.
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Acrylonitrile is another product of acetylene, formed in a reaction with hydrogen cyanide.
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Using acrylonitrile as the starting reagent, 2 - chloroacrylonitrile was prepared reaction stepsincluding catalytic chlorination, clean - up, and distillation.
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For example, nitrile, CH3CN ortho-nitrophenol is steam volatile while para-nitrophenol is not. what is the reason behind this? en Español
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BASF and INEOS said in a joint statement that Styrolution will be equally owned and combine their global business activities in styrene monomers, polystyrene, acrylonitrile butadiene styrene, styrene-butadiene block copolymers and other styrene-based copolymers as well as copolymer blends.
BASF Sets Up Styrenics Joint Venture
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Four different solvent media were considered: octane, tetrahydrofuran, acetonitrile, and water.
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The fellow doing it was down the hall from me in graduate school, and he was doing an obscure reaction which forms a geminal dinitrile, which themselves are rather obscure compounds.
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They also rejected bridgehead double bonds and allenes, and (to my surprise) only allowed triple bonds for nitriles (so no acetylenes.)
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A prime example is Laetrile (laevo-mandelonitrile-beta-glucuronoside), a useless and poisonous drug promoted for cancer treatment.
