Download Analysis of Seawater by E. Crompton (Auth.) PDF

By E. Crompton (Auth.)

This e-book covers all facets of the research of seawater together with the main complex actual strategies. Sampling, the decision of anions, disolved gases, atomic absorption, tracking radioactive degrees, non-metallic compounds are all mentioned in flip

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E. In Ultrapurily, Methods and Techniques (eds M. Zief and R. Speights), Dekker, New York, p. 207 (1972) 74. , et al. R. Riley and G. Skirrow), 2nd edn, Vol. 3, Academic Press, London, p. 193 (1975) 75. Zief, M. W. Contamination Control in Trace Element Analysis, Wiley, New York (1976) 76. E. and Gardner, D. Water Research, 11, 745 (1977) 77. Salim, R. G. Journal of Electroanalytical Chemistry, 106, 251 (1980) 78. E. H. Analytical Chemistry, 51, 2057 (1979) 79. , et al. Analytica Chimica Acta, 135, 268 (1982) 80.

Equilibration time of electrode very long 50 mg potassium alum and 3 g ammonium citrate added/100 ml seawater 37 mg ferric alum added to 100 ml seawater and pH adjusted to 3 by adding few drops of glacial acetic acid. Soln — 40 ppm Fe 3 + 50 ml TISAB added/100 ml seawater Calculated via addition of TISAB and calibration vs. 3 T h i s determination was performed approximately 3 weeks after the first. , et al. (1976) Analytical Chemistry, 48, 1236, American Chemical Society, by courtesy of authors and publishers.

29] is similar to that originally described by Gran [32] for the exact determination of potentiometric end-points. Brand and Rechnitz [33], Baumann [34] and Craggs et al. [35] have already described procedures employing the method of standard additions to selective ion-electrode potentiometry, but no data are available for natural waters using this direct method except for the work of Liberti and Mascini [36] who determined fluoride in mineral waters. The procedure used by Rix et al. [29] is exceedingly simple, and the method of data treatment provides a linear plot, the slope and intercept of which give independent measures of the original concentration of fluoride in the sample.

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