Suppression of interference in the AAS determination of chromium by use of ammonium bifluoride |
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| Authors: | Purushottam A Naidu P P Lal S S |
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| Institution: | Central Laboratories, Airborne Mineral Surveys and Exploration, Geological Survey of India, Faridabad, India. |
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| Abstract: | Addition of 1% of ammonium bifluoride successfully suppresses interference by diverse ions in the atomic-absorption determination of chromium(VI). If the sample solutions also contain chromium(III) addition of 1% of ammonium bifluoride and 0.2% of sodium sulphate is recommended for the suppression. |
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