Sentences with word «naphthalene»

Naphthalene is a chemical compound that is used in products like mothballs and some cleaning agents. It has a strong, distinct smell and is often used to repel insects or as a disinfectant. Full definition
Nowadays these bags offer a very low oxygen migration rate and are an effective barrier to the organic materials (such as naphthalene) that can taint the wine.
Symptoms associated with ingesting mothballs with naphthalene include vomiting, diarrhea, anemia, weakness and collapse.
Just one mothball has the potential to sicken a dog or cat and mothballs that contain naphthalene can cause serious illness, including digestive tract irritation, liver, kidney and blood cell damage, swelling of the brain tissues, seizures, coma, respiratory tract damage (if inhaled) and even death (if ingested).
These include the most volatile elements of crude oil, which is a mixture of many hydrocarbons, including naphthalene, benzene, and phenanthrene.
They inserted grains of naphthalene and biphenyl — two toxic, carbon and hydrogen bearing compounds believed to exist on Titan's surface — into a small cylinder.
After the aniline dyes, derived from benzene, came magentas made from toluene, reds from anthracene, pinks from phenol, and indigos from naphthalene.
Now a research team has used a mix of genetics, ecology, and molecular biology to ID an organism that breaks down the pollutant naphthalene in dirt.
You can put naphthalene balls in your closet if you do not mind the smell that it leaves on clothes.
One such sequence served as the «signature» of the species that was eating naphthalene.
Related sites Madsen's site More about Madsen's research FAQs about naphthalene and human health
The new proximity - driven rhodium (II) catalyst known as MM - 206 finds and modifies an inhibitor - binding site on the protein's coiled coil — literally protein coils coiled around each other — and delivers the inhibitor, naphthalene sulfonamide, to the modified site.
The lithium - doped naphthalene - bithiophene polymer proved both to exhibit significant electronic conductivity and to be stable through 3,000 cycles of charging and discharging energy, Yao said.
Although naphthalene - bithiophene has been used for transistors and other applications since its discovery, this is the first time it has been converted for use in energy storage.
«We were getting headaches from tumbling naphthalene and biphenyl under fume hoods — and we deliberately picked some of the safest, most benign things that may exist on Titan to work with.
Herein, we report the first electroactive MOF with the UiO / PIZOF topology (Zr (dcphOH - NDI)-RRB-, i.e., one of the most widely used MOFs for catalyst incorporation, by using redox - active naphthalene diimide - based linkers (dcphOH - NDI).
As an example, consider the two - ring PAH naphthalene.
Mothballs that contain the chemicals naphthalene or paradichlorobenzene are dangerous to dogs.
Often, they contain chlorates (also present in matches and naphthalene moth balls) which can cause methemoblobinemia, a blood disorder that prevents oxygen from getting to the tissues.
Mothballs and naphthalene flakes are poisonous to cats and using them as a repellent could result in death.
Alternating between the life and work of the nineteenth - century chemist Dr Emil Erlenmeyer, who developed naphthalene, and Pavlina, an entomologist recounting one of her dreams of insects, the work is a magic, theatrical experience — dark, humorous, absurd and eerie.
At Rice University in Houston, researchers found that nanosize buckyballs — 60 carbon atoms bound together in the shape of a soccer ball — can bond to pollutants such as naphthalene, slowing the pace at which the pollutants are naturally neutralized and greatly expanding the distance over which environmental toxins can spread.
The classic smell of mothballs is typically due to «old - fashioned» mothballs that contain naphthalene, and these are generally much more toxic than the paradichlorobenzene - containing ones.
The main component of mothballs is naphthalene, an aromatic hydrocarbon, which can cause all sorts of neurological problems, as well as hemolytic anemia, kidney and liver damage and cataracts.
The bag is water resistant and easy to clean and is PVC - and naphthalene - free.
A: The county is building the amphitheater on a site that was a dumping ground for hazardous chemicals from the Solvay Process soda ash plant, which later became Allied Chemical Co.The chemicals disposed (from at least 1926 to 1944) include phenols, benzene, toluene, xylene and naphthalene.
The wells also contained benzene at 50 times the level that is considered safe for people, as well as phenols — another dangerous human carcinogen — acetone, toluene, naphthalene and traces of diesel fuel.
They went to an aquifer with naphthalene - contaminated dirt and released carbon -13-tagged naphthalene.
The discovery relies upon a «conjugated redox polymer» design with a naphthalene - bithiophene polymer, which has traditionally been used for applications including transistors and solar cells.
Then they tumbled and spun tiny particles of polystyrene, biphenyl, naphthalene and other hydrocarbons inside it, watching as the material collided, charged and clumped under conditions simulating Titan's atmosphere and lower gravity.
Some mothballs contain p - dichlorobenzene while others are made of another chemical, naphthalene.
The latest study builds on earlier work that analyzed hydrocarbons with smaller molecular rings that have also been observed in space, including in Saturn's moon Titan — namely benzene and naphthalene.
Specifically, they investigated what would happen if tiny grains made out of the toxic carbon - and hydrogen - rich compounds (hydrocarbons known as naphthalene and biphenyl) found at the moon's surface were rotated for 20 minutes in a dry, pure nitrogen environment.
When this molecule is frozen into an ice containing H2O and exposed to UV radiation, oxygen atoms can be added to the edges of the naphthalene, forming a number of new compounds.
Mothballs may look benign, but can be quite dangerous as they typically contain chemicals such as paradichlorobenzene or naphthalene.
[23][24] In DISH, Texas, elevated levels of disulphides, benzene, xylenes and naphthalene have been detected in the air.
Fracking routinely employs numerous toxic chemicals, including benzene and naphthalene.
Not only do CFL's contain mercury, Montford says, they have also been found to «emit known carcinogens such as phenol, naphthalene and styrene when the are switched on».
It also contains toxic chemicals like N - hexane and naphthalene, according to a Material Data Safety Sheet that the Game and Fish Commission provided to cleanup crews and was obtained by InsideClimate News.
The extraction of natural gas using fracking produces large amounts of liquid and solid waste that can contain a number of harmful pollutants, including salts (sometimes expressed as total dissolved solids or TDS); chemical additives, which may include ethylene glycol, naphthalene, and sulfuric acid; metals; organic compounds; and other contaminants.
Contaminants may include: toluene, benzene, methylethylketone, naphthalene.
Experts recommend staying away from cleaners containing perchloroethylene or naphthalene.
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