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a measured amount of a solution of unknown concentration is added to a known volume of a second solution until the reaction between them is just complete; the concentration of the unknown solution (the titer) can then be calculated

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[Quality evaluation of magnesium oxide tablets using acid neutralization test and dissolution test].

Inoue C1, Kogure T, Kamata A, Ishihara M, Muraoka R, Tatsumi A, Tanaka K, Takeshita H, Hamaguchi T, Tagawa N, Kobayashi Y, Kadobayashi M.
Yakugaku zasshi : Journal of the Pharmaceutical Society of Japan.Yakugaku Zasshi.2007 Dec;127(12):2085-9.
For the purpose of quality evaluation of commercially available magnesium oxide (MgO) tablets, we studied their acid neutralization and dissolution behaviors. The dissolution test was carried out by the paddle method in 1st fluid (pH 1.2). The dissolution amount of MgO from tablets was determined by
PMID 18057798

Precise chelatometric titrations of zinc, cadmium, and lead with molecular spectroscopy.

Suzuki T1, Tiwari D, Hioki A.
Analytical sciences : the international journal of the Japan Society for Analytical Chemistry.Anal Sci.2007 Oct;23(10):1215-20.
Spectral data during a chelatometric titration were utilized for determining an equivalence point of the titration. Three-dimensional titration data were analyzed by fitting to a theoretical equation that was derived from equilibrium equations among a metal ion, an indicator and EDTA. The equation w
PMID 17928670

A pH-stat study of the reaction of some transition metal cations with disodium ethylenedinitrilotetraacetate (EDTA) and its analytical application.

Maccà C1, Soldà L, Favaro G, Pastore P.
Talanta.Talanta.2007 Apr 30;72(2):655-62. doi: 10.1016/j.talanta.2006.11.035. Epub 2007 Jan 12.
The pH-stat titration technique is an autonomous and very powerful tool for performing and monitoring chelatometric titrations of metal cations with great accuracy, poorly known, however, and seldom exploited. Based on measurement of the amount of strong base required to keep the pH of the test solu
PMID 19071669

間中淳,石橋真奈美,中山彩 [他],中山亜耶,野田実穂,加藤健,五十嵐淑郎
分析化学 = Japan analyst 60(4), 363-366, 2011-04-05
… Visual analysis by counting to number of changing color on a microplate was examined using the reaction used for several titration analysis (neutralization titration, oxidation-reduction titration and chelatometric titration). … As a result, the numbers of discoloration have changed according to each sample concentration even though the reaction of which titration was used. …
NAID 10028107149

Application of feedback-based flow ratiometry to simultaneous determination of calcium and magnesium ions by chelatometry using photometric and potentiometric detectors

井上千亜紀,小暮俊明,鎌田彩 [他],石原美佳,村岡玲子,辰見明俊,田中邦佳,竹下治範,濱口常男,多河典子,小林吉晴,門林宗男
藥學雜誌 127(12), 2085-2089, 2007-12-01
… The dissolution amount of MgO from tablets was determined by chelatometric titration. …
NAID 110006546585