Abstract

A spectrographic procedure for the simultaneous determination of Pb, Fe, Ni, Sn, Bi, and Sb in 70/30 brass and admiralty brass is described in detail. The source is a 14-ampere low voltage d.c. arc of conventional type. A 50-mg pellet sample is arced to extinction in a cupped graphite electrode of specified dimensions. “The intermediate mode” of illumination obtained by focusing the source on the collimator lens is used. A radial sector disk placed at the slit is used to regulate the effective exposure at the plate. The step sector method of plate calibration is used. The source for the calibration is a 4-ampere d.c. arc on 3/16″ diameter copper electrodes. The calibration curve on the copper line 2882.934A is used for a wave-length region 2590A–3100A. The copper reference line of 2858.734A is chosen for comparison with the respective impurity lines. Working curves are given for the determination of Pb, Fe, Ni, Sn, and Sb in the range of 0.01–0.10 percent and Bi in the range of 0.0004–0.010 percent.

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  1. B. A. Lomakin, Zeits. f. anorg. allgem. Chemie 187, 75–96 (1930).
  2. H. Kaiser, Proceedings of the Seventh Summer Conference on Spectroscopy and Its Applications (John Wiley & Sons, Inc., New York, 1940), pp. 77–81.
  3. N. S. Sventitskii, Zavodskaya Lab. 7, 1371–8 (1938).
  4. We. Gerlach and E. Riedl, Metallwirtschaft 12, 401–5 (1933).
  5. E. A. Ratsbaum, Zavodskaya Lab. 6, 191–5 (1937).
  6. R. Breckpot, Chim. et Ind. 31, 220–9 (1934).
  7. R. Breckpot, Ann. Soc. Sci. Bruxelles 54, 299–314 (1934).
  8. H. W. Brownsdon and E. H. S. Van Someren, J. Inst. Metals 46, 97–113 (1931).
  9. D. M. Smith, Metallurgical Analysis by the Spectrograph (British Non-Ferrous Metals Research Association, London, 1933).
  10. F. G. Barker, J. Iron Steel Inst. (London) 139, 211–55 (1939).
  11. C. W. Hill and G. P. Luckey, Trans. Am. Inst. Min. Met. Eng. 60, 342–353 (1919). 455
  12. M. Milbourn, J. Inst. Metals 55, 275-82 (1934).
  13. Wm. E. Milligan and Walter D. France, Ind. Eng. Chem. Anal. Ed. 32, 24–27 (1941).
  14. Walter D. France, J. Opt. Soc. Am. 32, 681–685 (1942).
  15. G. R. Harrison, Metals and Alloys 7, 290–296 (1936).
  16. Wm. Roy Mott, Trans. Am. Electrochem. Soc. 31, 365–390 (1917).
  17. Wm. Roy Mott, Trans. Am. Electrochem. Soc. 37, 665–706 (1920).
  18. N. K. Chaney, U. C. Hamister, and S. W. Glass, Trans, Am, Electrochem. Soc. 67, 201 (1935).
  19. H. G. MacPherson, J. Opt. Soc. Am. 30, 189–194 (1940).
  20. R. Breckpot, Ann. Soc. Sci. Bruxelles B55, 173–194 (1935).
  21. B. Park, Ind. Eng. Chem. Anal. Ed. 6, 189–190 (1934).
  22. B. Park and E. J. Lewis, Ind. Eng. Chem. Anal. Ed. 7, 182-3 (1935).
  23. P. A. Leichtle, Symposium on SpectrographicA nalysis, A.S.T.M. Bull. PP 49 (March, 1941).
  24. R. Breckpot and L. Lialine, Ann. Soc. Sci. Bruxelles 54, 299–314 (1934).
  25. W. P. Brode, Symposium on Spectrographic Analysis (A.S.T.M., 1935), Vol. 35, Part II, pp. 1–6.
  26. Walter Clark, Photo Technique, pp. 54–58 (Oct. 1940).
  27. Carl King, J. Opt. Soc. Am. 32, 112–115 (1942).
  28. G. R. Harrison, Massachusetts Institute of Technology Wavelength Tables, with Intensities in Arc, Spark or Discharge Tube (John Wiley & Sons, Inc., New York, 1939).
  29. Standards for Copper and Copper Alloys (American Society for Testing Materials, Philadelphia, 1942), pp. 60–65.

Barker, F. G.

F. G. Barker, J. Iron Steel Inst. (London) 139, 211–55 (1939).

Breckpot, R.

R. Breckpot, Chim. et Ind. 31, 220–9 (1934).

R. Breckpot, Ann. Soc. Sci. Bruxelles 54, 299–314 (1934).

R. Breckpot, Ann. Soc. Sci. Bruxelles B55, 173–194 (1935).

R. Breckpot and L. Lialine, Ann. Soc. Sci. Bruxelles 54, 299–314 (1934).

Brode, W. P.

W. P. Brode, Symposium on Spectrographic Analysis (A.S.T.M., 1935), Vol. 35, Part II, pp. 1–6.

Brownsdon, H. W.

H. W. Brownsdon and E. H. S. Van Someren, J. Inst. Metals 46, 97–113 (1931).

Chaney, N. K.

N. K. Chaney, U. C. Hamister, and S. W. Glass, Trans, Am, Electrochem. Soc. 67, 201 (1935).

Clark, Walter

Walter Clark, Photo Technique, pp. 54–58 (Oct. 1940).

France, Walter D.

Wm. E. Milligan and Walter D. France, Ind. Eng. Chem. Anal. Ed. 32, 24–27 (1941).

Walter D. France, J. Opt. Soc. Am. 32, 681–685 (1942).

Gerlach, We.

We. Gerlach and E. Riedl, Metallwirtschaft 12, 401–5 (1933).

Glass, S. W.

N. K. Chaney, U. C. Hamister, and S. W. Glass, Trans, Am, Electrochem. Soc. 67, 201 (1935).

Hamister, U. C.

N. K. Chaney, U. C. Hamister, and S. W. Glass, Trans, Am, Electrochem. Soc. 67, 201 (1935).

Harrison, G. R.

G. R. Harrison, Massachusetts Institute of Technology Wavelength Tables, with Intensities in Arc, Spark or Discharge Tube (John Wiley & Sons, Inc., New York, 1939).

G. R. Harrison, Metals and Alloys 7, 290–296 (1936).

Hill, C. W.

C. W. Hill and G. P. Luckey, Trans. Am. Inst. Min. Met. Eng. 60, 342–353 (1919). 455

Kaiser, H.

H. Kaiser, Proceedings of the Seventh Summer Conference on Spectroscopy and Its Applications (John Wiley & Sons, Inc., New York, 1940), pp. 77–81.

King, Carl

Carl King, J. Opt. Soc. Am. 32, 112–115 (1942).

Leichtle, P. A.

P. A. Leichtle, Symposium on SpectrographicA nalysis, A.S.T.M. Bull. PP 49 (March, 1941).

Lewis, E. J.

B. Park and E. J. Lewis, Ind. Eng. Chem. Anal. Ed. 7, 182-3 (1935).

Lialine, L.

R. Breckpot and L. Lialine, Ann. Soc. Sci. Bruxelles 54, 299–314 (1934).

Lomakin, B. A.

B. A. Lomakin, Zeits. f. anorg. allgem. Chemie 187, 75–96 (1930).

Luckey, G. P.

C. W. Hill and G. P. Luckey, Trans. Am. Inst. Min. Met. Eng. 60, 342–353 (1919). 455

MacPherson, H. G.

H. G. MacPherson, J. Opt. Soc. Am. 30, 189–194 (1940).

Milbourn, M.

M. Milbourn, J. Inst. Metals 55, 275-82 (1934).

Milligan, Wm. E.

Wm. E. Milligan and Walter D. France, Ind. Eng. Chem. Anal. Ed. 32, 24–27 (1941).

Mott, Wm. Roy

Wm. Roy Mott, Trans. Am. Electrochem. Soc. 31, 365–390 (1917).

Wm. Roy Mott, Trans. Am. Electrochem. Soc. 37, 665–706 (1920).

Park, B.

B. Park, Ind. Eng. Chem. Anal. Ed. 6, 189–190 (1934).

B. Park and E. J. Lewis, Ind. Eng. Chem. Anal. Ed. 7, 182-3 (1935).

Ratsbaum, E. A.

E. A. Ratsbaum, Zavodskaya Lab. 6, 191–5 (1937).

Riedl, E.

We. Gerlach and E. Riedl, Metallwirtschaft 12, 401–5 (1933).

Smith, D. M.

D. M. Smith, Metallurgical Analysis by the Spectrograph (British Non-Ferrous Metals Research Association, London, 1933).

Sventitskii, N. S.

N. S. Sventitskii, Zavodskaya Lab. 7, 1371–8 (1938).

Van Someren, E. H. S.

H. W. Brownsdon and E. H. S. Van Someren, J. Inst. Metals 46, 97–113 (1931).

Other (29)

B. A. Lomakin, Zeits. f. anorg. allgem. Chemie 187, 75–96 (1930).

H. Kaiser, Proceedings of the Seventh Summer Conference on Spectroscopy and Its Applications (John Wiley & Sons, Inc., New York, 1940), pp. 77–81.

N. S. Sventitskii, Zavodskaya Lab. 7, 1371–8 (1938).

We. Gerlach and E. Riedl, Metallwirtschaft 12, 401–5 (1933).

E. A. Ratsbaum, Zavodskaya Lab. 6, 191–5 (1937).

R. Breckpot, Chim. et Ind. 31, 220–9 (1934).

R. Breckpot, Ann. Soc. Sci. Bruxelles 54, 299–314 (1934).

H. W. Brownsdon and E. H. S. Van Someren, J. Inst. Metals 46, 97–113 (1931).

D. M. Smith, Metallurgical Analysis by the Spectrograph (British Non-Ferrous Metals Research Association, London, 1933).

F. G. Barker, J. Iron Steel Inst. (London) 139, 211–55 (1939).

C. W. Hill and G. P. Luckey, Trans. Am. Inst. Min. Met. Eng. 60, 342–353 (1919). 455

M. Milbourn, J. Inst. Metals 55, 275-82 (1934).

Wm. E. Milligan and Walter D. France, Ind. Eng. Chem. Anal. Ed. 32, 24–27 (1941).

Walter D. France, J. Opt. Soc. Am. 32, 681–685 (1942).

G. R. Harrison, Metals and Alloys 7, 290–296 (1936).

Wm. Roy Mott, Trans. Am. Electrochem. Soc. 31, 365–390 (1917).

Wm. Roy Mott, Trans. Am. Electrochem. Soc. 37, 665–706 (1920).

N. K. Chaney, U. C. Hamister, and S. W. Glass, Trans, Am, Electrochem. Soc. 67, 201 (1935).

H. G. MacPherson, J. Opt. Soc. Am. 30, 189–194 (1940).

R. Breckpot, Ann. Soc. Sci. Bruxelles B55, 173–194 (1935).

B. Park, Ind. Eng. Chem. Anal. Ed. 6, 189–190 (1934).

B. Park and E. J. Lewis, Ind. Eng. Chem. Anal. Ed. 7, 182-3 (1935).

P. A. Leichtle, Symposium on SpectrographicA nalysis, A.S.T.M. Bull. PP 49 (March, 1941).

R. Breckpot and L. Lialine, Ann. Soc. Sci. Bruxelles 54, 299–314 (1934).

W. P. Brode, Symposium on Spectrographic Analysis (A.S.T.M., 1935), Vol. 35, Part II, pp. 1–6.

Walter Clark, Photo Technique, pp. 54–58 (Oct. 1940).

Carl King, J. Opt. Soc. Am. 32, 112–115 (1942).

G. R. Harrison, Massachusetts Institute of Technology Wavelength Tables, with Intensities in Arc, Spark or Discharge Tube (John Wiley & Sons, Inc., New York, 1939).

Standards for Copper and Copper Alloys (American Society for Testing Materials, Philadelphia, 1942), pp. 60–65.

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