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Evaluation of precipitation titrations through the starting point of precipitate formation

J. Klas

Slovak Technical University, Bratislava


Abstract: The concn. of x in a test soln. can be detd. when gravimetric and titrimetric methods are unsuitable because x forms a ppt. that is rather sol. The exact soly. of the ppt. need not be known. An aliquot, v0 ml., of test soln. is titrated just to the beginning of pptn. with v1 ml. of titrant. Then v0' ml. (v0' = v0 + y, where y contains a known amt. of x) are similarly titrated with v1' ml. of titrant. The amt. of x in v0 is calcd. from x = y [(v'/v1')[(v0' + v1')2/(v0 + v1)] - 1]-1.

Full paper in Portable Document Format: 199a695.pdf (in Slovak)


Chemical Papers 19 (9) 695–698 (1965)

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