Title:
ANALYTICAL METHOD FOR PHENOL
Document Type and Number:
Japanese Patent JPH1151919
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To make a high-efficiency, high-accuracy analysis requiring an easy operation and not altering phenol by feeding a polar organic solvent aqueous solution with a specific concentration to a column in advance before it is concentrated. SOLUTION: When phenol is to be analyzed by an octadecyl silica gel-filled chromatographic column (ODS-filled column) by this analytical method for phenol, a polar organic solvent aqueous solution with a specific concentration specified according to the hydrophobic index is fed to the column in advance before a sample containing phenol is fed. The recovery percentage of an analytical object after fractionation by the ODS-filled column is sharply improved as compared with the conventional method, e.g. the level of about 95-100% can be sufficiently maintained against the reference quantity before the solution is fed to the ODS-filled column. The reason for the occurrence of this effect is considered that the column feature is changed to the state favorable to the concentration of phenol and phenol can be efficiently concentrated.
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Inventors:
TOYAMA KENJI
ISOMOTO TOSHITAKA
ISOMOTO TOSHITAKA
Application Number:
JP20428997A
Publication Date:
February 26, 1999
Filing Date:
July 30, 1997
Export Citation:
Assignee:
ASAHI CHEMICAL IND
International Classes:
G01N30/08; B01J20/283; C07C39/00; G01N30/88; (IPC1-7): G01N30/08; C07C39/00; G01N30/48; G01N30/88
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