Search results
Results from the WOW.Com Content Network
Toluene is also found in cigarette smoke and car exhaust. If not in contact with air, toluene can remain unchanged in soil or water for a long time. [39] Toluene is a common solvent, e.g. for paints, paint thinners, silicone sealants, [40] many chemical reactants, rubber, printing ink, adhesives (glues), lacquers, leather tanners, and ...
“Keeping your house clean will be the best way to prevent bad odors in the first place, but using something like wall plug-ins will introduce good smells that you can change according to the ...
The threshold value is the concentration at which an aroma or taste can be detected (air, water and fat). The recognition threshold or arousal threshold of olfactory neurons is the concentration at which you can identify an odor (air, water and fat). The odour activity value is the concentration divided by the threshold.
It can become too thick to use, and sometimes completely solidifies. Therefore, some manufacturers also sell bottles of solvent as "thinner", a few drops of which will return the correction fluid to its original liquid state. To avoid the inconveniences of organic solvents (safety and availability), some brands of fluid are water-based.
Ammonia begone. Well, for a month. Mostly. Anyway, PWC on March 1 began its annual water treatment changeover, which means it stopped adding ammonia to its treatment process, according to a news ...
It is made by nitrating toluene at above -10 °C. This reaction affords a 2:1 mixture of 2-nitro and 4-nitro isomers. [4] Chlorination of 2-nitrotoluene gives two isomers of the chloronitrotoluenes. Similarly nitration gives two isomers of dinitrotoluene.
When hosting a dinner party, lingering odors from long hours of cooking in the kitchen can be an issue. Cooking odors from fish, onion, garlic, burnt foods and fried foods can last especially long.
o-Toluidine is absorbed through inhalation and dermal contact as well as from the gastrointestinal tract. [19] [13] [20] [21]The metabolism of o-toluidine involves many competing activating and deactivating pathways, including N-acetylation, N-oxidation, and N-hydroxylation, and ring oxidation.