Test means, test device and method for determining the ionic str

Details Test means, test device and method for determining the ionic str Test means, test device and method for determining the ionic str

1980-07-10

1982-03-09

Marantz, Sidney

Chemistry: physical processes

Physical processes

Crystallization

23230B, 73 32R, 252408, 422 56, 422 57, 525369, G01N 936, G01N 3104, G01N 3122, G01N 3352

Patent

active

043187099

ABSTRACT:
A test means for determining the ionic strength or specific gravity of an aqueous test sample, the test means comprising a weakly acidic or weakly basic polyelectrolyte which is at least partially neutralized, and an indicator means capable of producing a detectable response to ion exchange between the polyelectrolyte and the sample. The test device comprises a carrier matrix incorporated with the test means, and the method for its use comprises contacting an aqueous test sample with the device and observing a detectable response.

REFERENCES:
patent: 2607762 (1952-08-01), Bowen
patent: 2757153 (1956-07-01), Bowen
patent: 3449080 (1969-06-01), Edwards
patent: 4108727 (1978-08-01), Stiso
patent: 4287153 (1981-09-01), Towsend

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