PROCESS FOR THE PURIFICATION OF HEXACHLOROPHENE
1344752 Purifying hexachlorophene L GIVAUDAN & CIE SA 13 April 1972 [13 April 1971] 17086/72 Heading C2C A process of removing 2,4,5-trichlorophenol from hexachlorophene comprises the step of treating a solution of hexachlorophene contaminated with 2,4,5-trichlorophenol with molecular sieves hav...
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Zusammenfassung: | 1344752 Purifying hexachlorophene L GIVAUDAN & CIE SA 13 April 1972 [13 April 1971] 17086/72 Heading C2C A process of removing 2,4,5-trichlorophenol from hexachlorophene comprises the step of treating a solution of hexachlorophene contaminated with 2,4,5-trichlorophenol with molecular sieves having a pore size greater than 7 and less than 10 . Solvents employed may be organic solvents or aqueous basic solutions having a pH insufficiently high to attack the molecular sieves. Examples are furnished. |
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