Method for chromatographical analysis of anions

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United States of America Patent

PATENT NO 4808540
SERIAL NO

07055330

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Abstract

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Anions in an aqueous solution can be quantitatively measured at a high sensitivity while controlling the electroconductivity possessed by an eluant to a low level, by the chromatographical analyzing method wherein a separating column, a cation exchange column and an electroconductivity detector are connected in the recited order, an aqueous solution containing an amine compound as an electron donor is used as an eluant, and a cation exchange column composed of the cation exchange resin substituted with a metal ion as an electron acceptor is used as the cation exchange column.

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Patent Owner(s)

  • TOYO SODA MANUFACTURING COMPANY LIMITED, 4560, OOZA TONDA SHINNANYO-SHI YAMAGUCHI, JAPAN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Miyanaga, Akiyoshi Yokohama, JP 3 10
Umino, Masuo Atsugi, JP 3 19

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