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Regression analysis of piezoelectric titration data to estimate system parameters

✍ Scribed by W.-Z. Wei; L.-H. Nie; S.-Z. Yao

Publisher: Elsevier Science
Year: 1992
Tongue: English
Weight: 624 KB
Volume: 269
Category: Article
ISSN: 0003-2670
DOI: 10.1016/0003-2670(92)85145-v

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✦ Synopsis

A non&near model connectmg the frequency response of the plezoelectnc quartz crystal detector III acid-base tltratlon with the added quantity of tltrants has been derived m detad It has been venfted theoretically and used for the regression analysis of response curves of acid-base tltratlons for four acid solutions with dtierent dlssoclatton constants to estimate the ongmal acid concentrations of the solutions to be titrated, dlssocratlon constants of the acid, the equivalent lomc conductlvltles and the other two crystal response parameters, VLZ , the response sensltnnty for conductlvlty and the basic frequency when the conductance contnbutlon of the reacting substances equals zero The expenments and computations indicate that the technique possesses good estimation prxulon and accuracy

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