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The aniline point serves as a reasonable proxy for aromaticity of oils consisting mostly of saturated hydrocarbons (i.e. alkanes, paraffins) or unsaturated compounds (mostly aromatics). Significant chemical functionalization of the oil (chlorination, sulfonation, etc.) can interfere with the measurement, due to changes to the solvency of the ...
The aniline point measure of the ability of the base oil to act as a solvent and is determined from the temperature at which equal volumes of aniline and the base stock are soluble High aniline points (approximately 100°C or greater) imply a paraffinic base stock, while low aniline points (less than 100°C) imply a naphthenic or aromatic stock.
The boiling point for each isomer is around 140 °C (284 °F). The density of each isomer is around 0.87 g/mL (7.3 lb/US gal; 8.7 lb/imp gal) and thus is less dense than water . The odor of xylene is detectable at concentrations as low as 0.08 to 3.7 ppm (parts of xylene per million parts of air) and can be tasted in water at 0.53 to 1.8 ppm.
Heptane or n-heptane is the straight-chain alkane with the chemical formula H 3 C(CH 2) 5 CH 3 or C 7 H 16.When used as a test fuel component in anti-knock test engines, a 100% heptane fuel is the zero point of the octane rating scale (the 100 point is 100% iso-octane).
The compound is a derivative of aniline, consisting of an amine bound to two phenyl groups. The compound is a colorless solid, but commercial samples are often yellow due to oxidized impurities. [5] Diphenylamine dissolves well in many common organic solvents, and is moderately soluble in water. [6] It is used mainly for its antioxidant properties
Many once-popular canned foods have disappeared, leaving behind only nostalgia — and maybe a few dusty cans in someone's basement. See if you remember some of these discontinued foods and drinks.
“It’s a big shift,” Alan Bubitz, Costco’s VP of food services, told BevNET at the time. “They’re the only vendor we’ve ever had for the majority of the business locations.”
Article. This sofa has gone TikTok-viral for two reasons: A) people can’t get enough of the stunning midcentury modern silhouette and B) it’s ultra-comfortable. The sofa’s foam-padded ...