Reagent for determining the ionic strength and/or the specific w

Details Reagent for determining the ionic strength and/or the specific w Reagent for determining the ionic strength and/or the specific w

1997-10-15

2000-09-05

Wallenhorst, Maureen M.

Chemistry: analytical and immunological testing

Process or composition for determination of physical state...

436163, 436166, 436169, 422 56, 422 57, 73 32R, 73 6454, G01N 3350, G01N 900

Patent

active

061141704

ABSTRACT:
The invention relates to a method for determining the ionic strength and/or the specific weight of aqueous liquids and a reagent for this purpose, the composition of the reagent being such that the color change indicating the ionic strength is essentially directly dependent on the specific weight of the liquid to be determined and not on a pH shift.

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Yamamoto et al, "Spectrophotometric method for the determination of ionic surfactants by flow-injection analysis with acidic dyes", Analytica Chimica Acta, 246 (1991), pp. 333-339, 1991.
Roempps Chemi Lexikon, 7th. Edition, vol. 5, p. 3399-3400, date unknown.
Roempps Chemie Lexikon, 7th. Edition, vol. 6, p. 4153-4157, date unknown.

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