phenol

cresylic acid, usually containing from 20 to 40 percent phenol, is the second solvent.

It is based on the catalytic effect of phenols for the oxidation of gallocyanin by sodium bromate in sulfuric acid medium.

Flavonoids,Phenols and triterpenes are the main constituent exist in Desmodium triquetrum(L.)DC.

Research and development for fhe production of pyrocatechol and hydroquinone by reaction of phenol with hydrogen peroxide and percarboxylic acid as hydroxylating reagent are introduced.

In order to get polyaryloxyphosphazene, polyphosphazene's side chlorines are directly substituted by aryloxy of phenol using triethylamine as the bind acid agent.

A new camphol sandaliol was synthetized by selective alkylation of isocamphol and phenol with acidic catalyst, and following hydrogenated in the presence of Raney nickel.

2. Tri(2,4,6-tribromophenyl) phosphite was synthesized with phenol, brome and phosphorus trichloride in the presence of pyridine.

Active component： rose, natural plant phenol of grape seeds, bearberry glycoside、laevo-VC、crowtoe.

Catalytic synthesis of phenetole by ethylation of phenol with diethyl carbonate(DEC)in fixed bed reactor was investigated.

It was found that the removel of phenol, CN , and COD in 40-60 C range is as high as mesophile temperature.

The technique for preparing phenol formaldehyde resin from phenolated wood (PWF) and its characters were studied and analyzed.

It is found that they exist in the form of phenol and phenoxide in solution .The ratios of the two forms and spectral behavior change with th...

The catechin, ursolic were determined by HPLC.The polysaccharide and tannide were determined by sulphoacid-phenol and complexometric titration methods respectively.

RESULTS Zhike syrup obviously prolonged the incubation period of coughing and increasel the bronchotracheal secretion of phenol red.

Chloroxylenol , a halogenated phenol, is a germicide that is effective against gram negative and gram positive bacteria, fungi, and yeast.

METHODS:The purified polysaccharides is determined by colourimetry with sulfuric acid phenol as colourimetric reagent.

The primary synthetic methods of 4-hydroxycoumarin was reviewed starting from phenol, 2-acetylsalicylic acid, methyl salicylate, and o-hydroxyacetophenone respectively.