Spectrophotometric titration of cryptands and compleximetric titration of barium with cryptand (2.2.2) |
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| Authors: | Jane A Drumhiller John L Laing Richard W Taylor |
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| Institution: | Department of Chemistry, University of Oklahoma, Norman, OK 73019 U.S.A. |
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| Abstract: | A spectrophotometric titration of cryptands (2.2.1), (2.2.2), (2B.2.2) and (2B.2B.2) in aqueous medium is described. Titration of the cryptands with standard lead(II) perchlorate allows these cryptands to be quantified down to 1.0 × 10?5 M. The compleximetric titration of barium(II) with cryptand (2.2.2) using metalphthalein indicator is described and compared with a similar method with EDTA as titrant. |
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