Topic
Isopropyl alcohol
About: Isopropyl alcohol is a research topic. Over the lifetime, 3064 publications have been published within this topic receiving 27354 citations. The topic is also known as: Rubbing Alcohol & Propan-2-ol.
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TL;DR: In this paper, it was shown that isobutyraldehyde in the horseradish peroxidase-O2 system produces triplet acetone in high yield, as shown by efficiently sensitized 9,10-dibromoanthracene-2-sulphonate emission and by the occurrence of the expected photoproducts, i.e. isopropyl alcohol and tetramethylglycol.
Abstract: The oxidation of isobutyraldehyde in the horseradish peroxidase–O2 system produces triplet acetone in high yield, as shown by efficiently sensitized 9,10-dibromoanthracene-2-sulphonate emission and by the occurrence of the expected photoproducts, i.e. isopropyl alcohol and tetramethylglycol.
35 citations
TL;DR: Both pH and solution COD were found to correlate with regeneration completion as measured by organic residue on GAC surfaces in four regeneration cycles with acetone, and both resulted in destruction efficiency of adsorbed acetone on the GAC surface was more than 99%.
35 citations
Patent•
02 Mar 1977TL;DR: In this article, an epoxy resin is pre-treated with an organic solvent such as furfuryl alcohol, methyl alcohol, ethyl alcohol, n-propyl alcohol or isopropyl alcohol and then etched with an etching solution containing hydrogen peroxide and sulfuric acid.
Abstract: Epoxy resin is pretreated with an organic solvent such as furfuryl alcohol, methyl alcohol, ethyl alcohol, n-propyl alcohol, iso-propyl alcohol, formic acid, acetic acid, propionic acid, butyric acid, methyl formate, ethyl formate, propyl formate, methyl acetate, ethyl acetate, propyl acetate, methyl propionate, ethyl propionate, propyl propionate, methyl butyrate, ethyl butyrate, propyl butyrate, acetone, diethyl ketone, dipropyl ketone, methylethyl ketone, diisopropyl ketone, methylpropyl ketone, ethylpropyl ketone, acetonitrile and nitromethane as a pretreating solution, and the pretreated resin is then etched with an etching solution containing hydrogen peroxide or a persulfate and sulfuric acid, or the resin is pretreated with an organic solvent containing furfuryl alcohol, methyl alcohol, ethyl alcohol, n-propyl alcohol or isopropyl alcohol, and formamide or ethylene glycol, 1,2-propylene glycol or glycerine, and the pretreated resin is etched with an etching solution containing hydrogen peroxide and sulfuric acid to roughen the surface of the resin. A good adhesiveness is obtained between the surface of the resin and a film of metal when the resin is coated with a metal.
35 citations
TL;DR: In this article, the authors investigated the behavior of Ca-alginate spheres when put in contact with different solvents (water, diesel, ethanol, methanol, acetone, n-hexane, isopropyl alcohol, THF, acetonitrile, and toluene), or solvent-water mixtures (i.e., ethanol-water).
Abstract: Immobilization systems more frequently used are calcium alginate spheres. These biocatalysts have many potential applications in the immobilization of enzymes, prokaryotic cells, vegetal and animal cells, algae, organelles and mixtures of these living components. Other applications of immobilized cells imply the use of non aqueous systems. Some bioconversions are carried out in the presence of solvents such as hexane acetone or acetonitrile, or mixtures water-solvents. The aim of this work was to investigate the behaviour of Ca-alginate spheres when put in contact with different solvents (water, diesel, ethanol, methanol, acetone, n-hexane, isopropyl alcohol, THF, acetonitrile, and toluene), or solvent-water mixtures (i.e., ethanol-water), regarding the resistance of the alginate spheres after days of contact. Calcium alginate particles suffered different damages, depending on the solvent they were put in contact. Water did not damaged the Ca-alginate structure with or without Ca present. On the other hand different solvents lost a proportion of volume, i.e., n-hexane (16%), methanol (19%), ethanol (19.5%), toluene (22%), diesel (34%), acetone (765), isopropyl alcohol (80%), THF and acetonitrile (total loss, total destruction). Nor the dielectric constant nor the polarity indexes were capable of explaining the difference on the volume loss or total sphere destruction, except for water-ethanol mixtures.
35 citations
TL;DR: The life-saving potential of hemodialysis for severe isopropyl alcohol poisonings is emphasized, as the blood level in this patient was higher than that in any case previously reported.
Abstract: To the Editor:— A 70% solution of isopropyl alcohol (isopropanol), rubbing alcohol, is readily available as a potential source of poisoning; however, reported intoxications with this compound are not common A case of isopropyl alcohol intoxication was successfully treated by means of hemodialysis So far as we know, the isopropyl alcohol blood level in this patient was higher than that in any case previously reported This report should emphasize the life-saving potential of hemodialysis for severe isopropyl alcohol poisonings Report of a Case— A 28-year-old white man was admitted to the Indianapolis Veterans Administration Hospital at 8:00 PM on April 7, 1968 Forty-five minutes prior to admission, the patient was observed to have ingested approximately 1 liter of rubbing alcohol over a ten-minute period Physical examination revealed a blood pressure of 60/40 mm Hg, a pulse rate of 70 beats per minute, and a rectal temperature of 97 F (361 C)
34 citations