Spectrophotometric determination of cobalt(II) with 2,2'-dipyridyl-2-pyrimidylhydrazone |
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| Authors: | RB Singh P Jain BS Garg RP Singh |
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| Institution: | Department of Chemistry, Delhi University, Delhi -110007 India |
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| Abstract: | Some metallochromic indicators are examined for ion-pair formation with alkaloids, cationic surfactants and some pharmaceutical products. Eriochrome red B is recommended for the determination of quinine at pH 3.6 with extraction into chloroform and measurement at 475 nm. |
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