resorcinol sentence in Hindi
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- Aerogel electrodes are made via pyrolysis of resorcinol-formaldehyde aerogels and are more conductive than most activated carbons.
- The active ingredients used in Resinol are a 55 % solution of Petrolatum and a 2 % solution of Resorcinol.
- "' Chrysoine resorcinol "'is a synthetic azo dye which was formerly used as a food additive.
- Bilobol, another alkyl resorcinol found in " Ginkgo biloba " fruits, is also a strong skin irritant.
- Many xanthene dyes can be prepared by condensation of derivates of phthalic anhydride with derivates of resorcinol or 3-aminophenol.
- For outdoor uses, use resorcinol glue, one that comes in two parts, holds like crazy, and is waterproof.
- The active ingredients in the original product were sulfur and resorcinol, similar to the pre-existing adult acne product Acnomel.
- In addition to electrophilic aromatic addition, resorcinol ( and other poly-ols ) undergo nucleophilic substitution via the enone form.
- The-OH groups on resorcinol form hydrogen bonds to target molecules, holding them in the proper orientation for a reaction.
- Related to the latter is the classical preparation of the dye fluorescein from phthalic anhydride and resorcinol, which involves a Friedel-Crafts acylation.
- Google seems to say resorcinol ( meta-diol ) has a pka of 9.32 while para-diphenol is 9.8.
- Resorcinol crystallizes from benzene as colorless needles that are readily soluble in water, alcohol, and ether, but insoluble in chloroform and carbon disulfide.
- Part of the resorcinol structure binds to inhibits the N-terminal domain of heat shock protein 90, which is a drug target for anticancer treatments.
- At the endpoint, the first excess of metal ion catalyzes a strongly exothermic reaction between a polyhdric phenol ( such as resorcinol ) and hydrogen peroxide.
- It is a thermal combination of a substituted cyclobutenones with heterosubstituted acetylenes to produce highly substituted aromatic compounds, specifically phenols or resorcinols ( Scheme 1 ).
- Gelatin-resorcinol-formaldehyde glue ( and with formaldehyde replaced by less-toxic pentanedial and ethanedial ) has been used to repair experimental incisions in rabbit lungs.
- For phenol, the aldehyde most often used is simple formaldehyde, while larger aldehydes, like acetaldehyde, are usually required in condensation reactions with resorcinol and pyrogallol.
- The tire cord is treated first with a resorcinol-formaldehyde polymer and then with a terpolymer made from 15 % 2-vinylpyridine, styrene, and butadiene.
- Concomitantly, the American chemists Joseph Niederl and H . J . Vogel obtained similar cyclic tetramers from the acid-catalyzed reaction of resorcinol and aldehydes such as benzaldehyde.
- Alternatively, sodium sulfate is or was formed in the production of lithium carbonate, chelating agents, resorcinol, ascorbic acid, silica pigments, nitric acid, and phenol.
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