The use of Omega Chrome Black Blue G in chelatometric titrations |
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| Authors: | A. A. Abd El Raheem and Farouk A. Osman |
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| Affiliation: | (1) Public Health Laboratories and National Research Centre, Cairo, Egypt |
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| Abstract: | Summary The reactions of Omega Chrome Black Blue G with a large number of cations is studied. This study has shown in many cases high sensitivity limits of detection of metals. It also showed that this dye can be used as an indicator for EDTA titrations of zinc, cadmium, manganese and lead. It is also a suitable indicator for the step wise titration of calcium and magnesium in blood serum and water. |
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