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Molecular emission cavity analysis: Part 21. Effect of Phosphoric Acid on the Determination of Sulphate |
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| Authors: | SL Bogdanski Alad Townshend P Tuñon Blanco |
| Institution: | Chemistry Department, University of Birmingham, P.O. Box 363, Birmingham B15 2TT Gt. Britain |
| Abstract: | Phosphoric acid at levels above 10-3 M depresses the S2 emission from sulphate, but concentrations up to 0.1 M may be necessary to eliminate cationic interferences. |
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