Abstract

A modified Beckman IR-7 prism/grating infrared spectrophotometer has been calibrated with an absolute accuracy of up to ±0.05 cm−1 from 630 cm−1 to 2050 cm−1, and with an absolute accuracy of the order of ±0.10 cm−1 from 2000 cm−1 to 4000 cm−1. This represents an improvement over the manufacturer’s specifications by factors ranging between 10 for the longer wavelengths and 50 for the shorter wavelengths. The frequency reproducibility of the modified instrument and the linearity of the frequency (wave number) presentation have been critically examined.

© 1962 Optical Society of America

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References

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  1. S. Mizushima and colleagues, “A report on the Perkin-Elmer grating spectrophotometer model 112 G,” Tokyo University, Hongo, Tokyo, Japan. English translation by Perkin-Elmer Corp., Norwalk, Conn. (1959).
  2. Bulletin 439-B, “IR-7 prism-grating infrared spectrophotometer.” Beckman Instruments, Inc. (1960).
  3. Bulletin on Model 421 Infrared Spectrophotometer, Perkin-Elmer Corporation (1961).
  4. R. N. Jones, “Spectroscopic calibration standards,” in Perkin-Elmer Instrument News2, No. 1a, 1 (1960).
  5. “IR-7 infrared spectrophotometer instruction manual,” Beckman Instruments, Inc. (1960).
  6. P. J. Krueger, G. H. Schulze, to be published.
  7. P. J. Krueger, G. H. Schulze, to be published.
  8. P. J. Krueger, to be published.
  9. International Union of Pure and Applied Chemistry Commission on Molecular Structure and Spectroscopy, Tables of Wavenumbers for the Calibration of Infra-Red Spectrometers (Butterworths, London, 1961). Reprinted from Pure and Appl. Chem. 1, 537–699 (1961).
  10. J. Pickworth, H. W. Thompson, Proc. Roy. Soc. (London) A218, 37 (1953).
  11. E. K. Plyler, A. Danti, L. R. Blaine, E. D. Tidwell, J. Research Natl. Bur. Standards 64, 29 (1960).
  12. E. E. Bell, H. H. Nielsen, J. Chem. Phys. 18, 1382 (1950).
    [CrossRef]
  13. M. T. Christensen, D. R. Eaton, B. A. Green, H. W. Thompson, Proc. Roy. Soc. (London) A237, 15 (1956).
  14. A. Levin, C. F. Meyer, J. Opt. Soc. Am. 16, 137 (1928).
    [CrossRef]
  15. H. W. Thompson, R. L. Williams, Proc. Roy. Soc. (London) A220, 435 (1953).
  16. Hs. H. Günthard, R. C. Lord, T. K. McCubbin, J. Chem. Phys. 25, 768 (1956).
    [CrossRef]
  17. J. S. Garing, H. H. Nielsen, K. N. Rao, J. Mol. Spectroscopy 3, 496 (1959).
    [CrossRef]
  18. R. N. Jones, P. K. Faure, W. Zaharias, Rev. universelle mines 15, 417 (1959).
  19. R. N. Jones, N. B. W. Jonathan, M. A. MacKenzie, A. Nadeau, Spectrochim. Acta 17, 77 (1961).
    [CrossRef]

1961 (1)

R. N. Jones, N. B. W. Jonathan, M. A. MacKenzie, A. Nadeau, Spectrochim. Acta 17, 77 (1961).
[CrossRef]

1960 (1)

E. K. Plyler, A. Danti, L. R. Blaine, E. D. Tidwell, J. Research Natl. Bur. Standards 64, 29 (1960).

1959 (2)

J. S. Garing, H. H. Nielsen, K. N. Rao, J. Mol. Spectroscopy 3, 496 (1959).
[CrossRef]

R. N. Jones, P. K. Faure, W. Zaharias, Rev. universelle mines 15, 417 (1959).

1956 (2)

Hs. H. Günthard, R. C. Lord, T. K. McCubbin, J. Chem. Phys. 25, 768 (1956).
[CrossRef]

M. T. Christensen, D. R. Eaton, B. A. Green, H. W. Thompson, Proc. Roy. Soc. (London) A237, 15 (1956).

1953 (2)

H. W. Thompson, R. L. Williams, Proc. Roy. Soc. (London) A220, 435 (1953).

J. Pickworth, H. W. Thompson, Proc. Roy. Soc. (London) A218, 37 (1953).

1950 (1)

E. E. Bell, H. H. Nielsen, J. Chem. Phys. 18, 1382 (1950).
[CrossRef]

1928 (1)

Bell, E. E.

E. E. Bell, H. H. Nielsen, J. Chem. Phys. 18, 1382 (1950).
[CrossRef]

Blaine, L. R.

E. K. Plyler, A. Danti, L. R. Blaine, E. D. Tidwell, J. Research Natl. Bur. Standards 64, 29 (1960).

Christensen, M. T.

M. T. Christensen, D. R. Eaton, B. A. Green, H. W. Thompson, Proc. Roy. Soc. (London) A237, 15 (1956).

Danti, A.

E. K. Plyler, A. Danti, L. R. Blaine, E. D. Tidwell, J. Research Natl. Bur. Standards 64, 29 (1960).

Eaton, D. R.

M. T. Christensen, D. R. Eaton, B. A. Green, H. W. Thompson, Proc. Roy. Soc. (London) A237, 15 (1956).

Faure, P. K.

R. N. Jones, P. K. Faure, W. Zaharias, Rev. universelle mines 15, 417 (1959).

Garing, J. S.

J. S. Garing, H. H. Nielsen, K. N. Rao, J. Mol. Spectroscopy 3, 496 (1959).
[CrossRef]

Green, B. A.

M. T. Christensen, D. R. Eaton, B. A. Green, H. W. Thompson, Proc. Roy. Soc. (London) A237, 15 (1956).

Günthard, Hs. H.

Hs. H. Günthard, R. C. Lord, T. K. McCubbin, J. Chem. Phys. 25, 768 (1956).
[CrossRef]

Jonathan, N. B. W.

R. N. Jones, N. B. W. Jonathan, M. A. MacKenzie, A. Nadeau, Spectrochim. Acta 17, 77 (1961).
[CrossRef]

Jones, R. N.

R. N. Jones, N. B. W. Jonathan, M. A. MacKenzie, A. Nadeau, Spectrochim. Acta 17, 77 (1961).
[CrossRef]

R. N. Jones, P. K. Faure, W. Zaharias, Rev. universelle mines 15, 417 (1959).

R. N. Jones, “Spectroscopic calibration standards,” in Perkin-Elmer Instrument News2, No. 1a, 1 (1960).

Krueger, P. J.

P. J. Krueger, to be published.

P. J. Krueger, G. H. Schulze, to be published.

P. J. Krueger, G. H. Schulze, to be published.

Levin, A.

Lord, R. C.

Hs. H. Günthard, R. C. Lord, T. K. McCubbin, J. Chem. Phys. 25, 768 (1956).
[CrossRef]

MacKenzie, M. A.

R. N. Jones, N. B. W. Jonathan, M. A. MacKenzie, A. Nadeau, Spectrochim. Acta 17, 77 (1961).
[CrossRef]

McCubbin, T. K.

Hs. H. Günthard, R. C. Lord, T. K. McCubbin, J. Chem. Phys. 25, 768 (1956).
[CrossRef]

Meyer, C. F.

Mizushima, S.

S. Mizushima and colleagues, “A report on the Perkin-Elmer grating spectrophotometer model 112 G,” Tokyo University, Hongo, Tokyo, Japan. English translation by Perkin-Elmer Corp., Norwalk, Conn. (1959).

Nadeau, A.

R. N. Jones, N. B. W. Jonathan, M. A. MacKenzie, A. Nadeau, Spectrochim. Acta 17, 77 (1961).
[CrossRef]

Nielsen, H. H.

J. S. Garing, H. H. Nielsen, K. N. Rao, J. Mol. Spectroscopy 3, 496 (1959).
[CrossRef]

E. E. Bell, H. H. Nielsen, J. Chem. Phys. 18, 1382 (1950).
[CrossRef]

Pickworth, J.

J. Pickworth, H. W. Thompson, Proc. Roy. Soc. (London) A218, 37 (1953).

Plyler, E. K.

E. K. Plyler, A. Danti, L. R. Blaine, E. D. Tidwell, J. Research Natl. Bur. Standards 64, 29 (1960).

Rao, K. N.

J. S. Garing, H. H. Nielsen, K. N. Rao, J. Mol. Spectroscopy 3, 496 (1959).
[CrossRef]

Schulze, G. H.

P. J. Krueger, G. H. Schulze, to be published.

P. J. Krueger, G. H. Schulze, to be published.

Thompson, H. W.

M. T. Christensen, D. R. Eaton, B. A. Green, H. W. Thompson, Proc. Roy. Soc. (London) A237, 15 (1956).

J. Pickworth, H. W. Thompson, Proc. Roy. Soc. (London) A218, 37 (1953).

H. W. Thompson, R. L. Williams, Proc. Roy. Soc. (London) A220, 435 (1953).

Tidwell, E. D.

E. K. Plyler, A. Danti, L. R. Blaine, E. D. Tidwell, J. Research Natl. Bur. Standards 64, 29 (1960).

Williams, R. L.

H. W. Thompson, R. L. Williams, Proc. Roy. Soc. (London) A220, 435 (1953).

Zaharias, W.

R. N. Jones, P. K. Faure, W. Zaharias, Rev. universelle mines 15, 417 (1959).

J. Chem. Phys. (2)

E. E. Bell, H. H. Nielsen, J. Chem. Phys. 18, 1382 (1950).
[CrossRef]

Hs. H. Günthard, R. C. Lord, T. K. McCubbin, J. Chem. Phys. 25, 768 (1956).
[CrossRef]

J. Mol. Spectroscopy (1)

J. S. Garing, H. H. Nielsen, K. N. Rao, J. Mol. Spectroscopy 3, 496 (1959).
[CrossRef]

J. Opt. Soc. Am. (1)

J. Research Natl. Bur. Standards (1)

E. K. Plyler, A. Danti, L. R. Blaine, E. D. Tidwell, J. Research Natl. Bur. Standards 64, 29 (1960).

Proc. Roy. Soc. (London) (3)

J. Pickworth, H. W. Thompson, Proc. Roy. Soc. (London) A218, 37 (1953).

M. T. Christensen, D. R. Eaton, B. A. Green, H. W. Thompson, Proc. Roy. Soc. (London) A237, 15 (1956).

H. W. Thompson, R. L. Williams, Proc. Roy. Soc. (London) A220, 435 (1953).

Rev. universelle mines (1)

R. N. Jones, P. K. Faure, W. Zaharias, Rev. universelle mines 15, 417 (1959).

Spectrochim. Acta (1)

R. N. Jones, N. B. W. Jonathan, M. A. MacKenzie, A. Nadeau, Spectrochim. Acta 17, 77 (1961).
[CrossRef]

Other (9)

S. Mizushima and colleagues, “A report on the Perkin-Elmer grating spectrophotometer model 112 G,” Tokyo University, Hongo, Tokyo, Japan. English translation by Perkin-Elmer Corp., Norwalk, Conn. (1959).

Bulletin 439-B, “IR-7 prism-grating infrared spectrophotometer.” Beckman Instruments, Inc. (1960).

Bulletin on Model 421 Infrared Spectrophotometer, Perkin-Elmer Corporation (1961).

R. N. Jones, “Spectroscopic calibration standards,” in Perkin-Elmer Instrument News2, No. 1a, 1 (1960).

“IR-7 infrared spectrophotometer instruction manual,” Beckman Instruments, Inc. (1960).

P. J. Krueger, G. H. Schulze, to be published.

P. J. Krueger, G. H. Schulze, to be published.

P. J. Krueger, to be published.

International Union of Pure and Applied Chemistry Commission on Molecular Structure and Spectroscopy, Tables of Wavenumbers for the Calibration of Infra-Red Spectrometers (Butterworths, London, 1961). Reprinted from Pure and Appl. Chem. 1, 537–699 (1961).

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Figures (5)

Fig. 1
Fig. 1

Examples of resolution used in calibration. Numbers in circles refer to grating order.

Fig. 2
Fig. 2

Correction to be applied to dial wave-number read-out (B − A) and fiducial scale values (B) to give absolute frequency (cm−1) for the range 600–2120 cm−1.

Fig. 3
Fig. 3

Correction to be applied to dial wave-number read-out (B − A) and fiducial scale values (B) to give absolute frequency (cm−1) for the range 2120–3260 cm−1.

Fig. 4
Fig. 4

Correction to be applied to dial wave-number read out (B − A) and fiducial scale values (B) to give absolute frequency (cm−1) for the range 3260–4000 cm−1.

Fig. 5
Fig. 5

Comparative presentation of liquid calibrant measurements with uncertainties in absolute frequencies as determined by Jones et al.13

Tables (12)

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Table I Calibration Scheme

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Table II Example of Beckman IR-7 Calibration Tablea

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Table III First-Order Reproducibility Test (Acetylene, ν5 fund.)

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Table IV Second-Order Reproducibility Test (Methane, ν4 fund.)

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Table V Third-Order Reproducibility Test (Carbon Monoxide)

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Table VI Fourth-Order Reproducibility Test (Hydrogen Cyanide)

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Table VII Beckman IR-7 Reproducibility

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Table VIII First-Order Accuracy Test (Ammonia, 75 mm, 10 cm cell)

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Table IX Second-Order Accuracy Test (Acetylene, 140 mm, 10 cm cell)

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Table X Third-Order Accuracy Test (Nitrous oxide, 20 mm, 10 cm cell)

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Table XI Fourth-Order Accuracy Test (Cyclopropane, 80 mm, 10 cm cell)

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Table XII Beckman IR-7 Accuracy

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