Method and apparatus for titrimetric content determination in a

Details Method and apparatus for titrimetric content determination in a Method and apparatus for titrimetric content determination in a

1987-08-31

1989-08-22

Lacey, David L.

Chemistry: analytical and immunological testing

Including titration or ph determination

436164, 422 75, 422 76, 422 77, G01N 3116, G01N 3122

Patent

active

048596086

ABSTRACT:
In a new method for the titrimetric determination of the contents in a chemical solution, wherein a quantity of a reaction component, corresponding in each case to the change of a certain physical-chemical magnitude or a value derived from that, is added to a reaction component and this added quantity is so regulated that it will be a function of the prior and/or predetermined magnitude change or changes and the already added total quantity of one of the reaction components. In the method mentioned, the minimum quantity added is not allowed to fall below a predetermined percentage, e.g., 1.0 percent, or even 0.5 to 0.1 percent, of the already added quantity. The apparatus for performing the method therefore contains devices operable to regulate the quantity to be added as a function of the magnitude change and the already added total quantity of one of the reaction components. Potentiometric titration is the most important area of application of the new determination method.

REFERENCES:
Websters Third New Inter. Dictionary, Merriam Webster Inc., Massachusetts, 1986, p. 1707.
Schweid, N., "On Line Titrumetry", ISA, vol. 19, 1981, Conference Proceedings, 27th Annual ISA Anal. Inst. Sym., K. C. Mo, 3/1981.

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