Chemistry: physical processes – Physical processes – Crystallization
Patent
1975-10-10
1976-07-06
Serwin, R.E.
Chemistry: physical processes
Physical processes
Crystallization
23253TP, 210 38B, G01N 3104, G01N 23223, G01N 2310
Patent
active
039679322
ABSTRACT:
A method for the rapid analysis of a cation contained in a liquid, which comprises filtering a liquid sample through a cation exchange filter paper having a high rate of ion exchange, which was made from fibers having cation exchange functional groups, thus collecting substantially the entire amount of the cation contained in said liquid sample in the top surface layer of said filter paper, and analyzing the cation-loaded filter paper as such or the eluate obtained by elution of the cation to be analyzed from said cation-loaded filter paper, to determine the cation.
REFERENCES:
patent: 3155454 (1964-11-01), Salutsky et al.
patent: 3408291 (1968-10-01), Thomas et al.
Campbell et al., "Micro and Trace Analysis by a Combination of Ion Exchange Resin-Loaded Papers and X-Ray Spectrography," Anal. Chem. vol. 38, July, 1966, pp. 987-996.
Kobayashi Akira
Sano Takezo
Serwin R.E.
Sumitomo Chemical Company Limited
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