Abstract

<p>The density transformation according to Seidel, <i>D<sub>t</sub></i>=log[(<i>d</i><sub>0</sub>/<i>d</i>)-1] results in a calibration curve that is nearly straight in the wavelength region normally used in spectrographic analysis.</p><p>The properties of the “transformed density curve” are studied in detail and it is shown that by choice of favorable conditions the remaining curvature is negligible. This offers the possibility to extend the density difference method to the (<i>H</i> and <i>D</i>) density range 0.1–2.</p>

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  1. H. Kaiser, Spectrochim. Acta 2, 1 (1941).
  2. Honerjaerger-Sohm and H. Kaiser, Spectrochim. Acta 2, 396 (1944).
  3. H. Kaiser, Spectrochim. Acta 3, 159 (1948).
  4. H. K. Hughes and R. W. Murphy, J. Opt. Soc. Am. 39, 501 (1949).
  5. E. H. Cohen, "Investigations on the emulsion calibration for quantitative spectrochemistry" (Dutch), Thesis, Amsterdam, 1950.
  6. J. R. Churchill, Ind. Eng. Chem. Anal. Ed. 16, 653 (1944).
  7. R. Schmidt, Rec. trav. chim. 67, 737 (1948).
  8. Schmidt, Manders, and v. Wijk, with Verkerk, Compt. Rend. du 10-ième Congrès du Gams (1948).
  9. R. Schmidt and A. Schuringa, Rec. trav. chim. 64, 349 (1945).

Churchill, J. R.

J. R. Churchill, Ind. Eng. Chem. Anal. Ed. 16, 653 (1944).

Cohen, E. H.

E. H. Cohen, "Investigations on the emulsion calibration for quantitative spectrochemistry" (Dutch), Thesis, Amsterdam, 1950.

Hughes, H. K.

H. K. Hughes and R. W. Murphy, J. Opt. Soc. Am. 39, 501 (1949).

Kaiser, H.

Honerjaerger-Sohm and H. Kaiser, Spectrochim. Acta 2, 396 (1944).

H. Kaiser, Spectrochim. Acta 3, 159 (1948).

H. Kaiser, Spectrochim. Acta 2, 1 (1941).

Murphy, R. W.

H. K. Hughes and R. W. Murphy, J. Opt. Soc. Am. 39, 501 (1949).

Schmidt, R.

R. Schmidt and A. Schuringa, Rec. trav. chim. 64, 349 (1945).

R. Schmidt, Rec. trav. chim. 67, 737 (1948).

Schuringa, A.

R. Schmidt and A. Schuringa, Rec. trav. chim. 64, 349 (1945).

Wijk, v.

Schmidt, Manders, and v. Wijk, with Verkerk, Compt. Rend. du 10-ième Congrès du Gams (1948).

Other (9)

H. Kaiser, Spectrochim. Acta 2, 1 (1941).

Honerjaerger-Sohm and H. Kaiser, Spectrochim. Acta 2, 396 (1944).

H. Kaiser, Spectrochim. Acta 3, 159 (1948).

H. K. Hughes and R. W. Murphy, J. Opt. Soc. Am. 39, 501 (1949).

E. H. Cohen, "Investigations on the emulsion calibration for quantitative spectrochemistry" (Dutch), Thesis, Amsterdam, 1950.

J. R. Churchill, Ind. Eng. Chem. Anal. Ed. 16, 653 (1944).

R. Schmidt, Rec. trav. chim. 67, 737 (1948).

Schmidt, Manders, and v. Wijk, with Verkerk, Compt. Rend. du 10-ième Congrès du Gams (1948).

R. Schmidt and A. Schuringa, Rec. trav. chim. 64, 349 (1945).

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