Abstract

The infrared absorption coefficient of H<sub>2</sub>SO<sub>4</sub> vapor has been measured for the first time. The vapor was obtained from liquid acid held at the azeotrope. The temperature dependence of the absorption confirmed that the azeotrope concentration was accurate to better than 1%. The <i>P</i>, <i>Q</i>, and <i>R</i> branches of the measured band cover a spectral range of 1190 to 1260 cm<sup>-1</sup>. The peak absorption coefficient of 4.16±0.15 atm<sup>-1</sup>cm<sup>-1</sup> occurred at 1222 cm<sup>-1</sup> within the <i>Q</i> branch, with an integrated absorption coefficient of 120 atm<sup>-1</sup>cm<sup>-2</sup> over the entire band. Within the resolution of the experiment, 0.5 cm<sup>-1</sup>, no fine structure was observed on this band.

© 1977 Optical Society of America

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  1. K. F. Palmer and D. Williams, Appl. Opt. 14, 208 (1975).
  2. L. W. Pinkley and D. Williams, J. Opt. Soc. Am. 66, 122 (1976).
  3. F. H. Verhoff and J. T. Banchero, Chem. Eng. Prog. 70, 71 (1974).
  4. R. J. Jaworowski, J. Air Poll. Control Assoc. 23, 791 (1973).
  5. P. A. Giguere and R. Savoie, J. Am. Chem. Soc. 85, 287 (1963).
  6. S. M. Chackalackal and F. E. Stafford, J. Am. Chem. Soc. 88, 723 (1966).
  7. K. Stopperka and F. Kelz, Z. Anorg. Allgemeine Chemie 370, 49 (1969).
  8. K. Stopperka, Z. Anorg. Allgemeine Chemie 344, 263 (1966).
  9. G. P. Lutschinsky, Zhur. Fez. Klim. 30, 1207 (1956).
  10. J. I. Gmetro and F. Vermeulen, AIChE J 10, 740 (1964).
  11. C. H. Greenewalt, Ind. Eng. Chem. 17, 522 (1925).
  12. J. S. Thomas and W. F. Barker, J. Chem. Soc. (London) 127, 2824 (1925).
  13. Ullmann's Encyclopädie der Technischen Chimie, Band 15, 424 (Urban and Schwarzenberg, Munchen-Berlin, 1964).
  14. H. Goksoyr and K. Ross, J. Inst. Fuel 35, 177 (1962).
  15. G. P. Montgomery, Jr. and D. A. Stephenson (private communication).

Banchero, J. T.

F. H. Verhoff and J. T. Banchero, Chem. Eng. Prog. 70, 71 (1974).

Barker, W. F.

J. S. Thomas and W. F. Barker, J. Chem. Soc. (London) 127, 2824 (1925).

Chackalackal, S. M.

S. M. Chackalackal and F. E. Stafford, J. Am. Chem. Soc. 88, 723 (1966).

Giguere, P. A.

P. A. Giguere and R. Savoie, J. Am. Chem. Soc. 85, 287 (1963).

Gmetro, J. I.

J. I. Gmetro and F. Vermeulen, AIChE J 10, 740 (1964).

Goksoyr, H.

H. Goksoyr and K. Ross, J. Inst. Fuel 35, 177 (1962).

Greenewalt, C. H.

C. H. Greenewalt, Ind. Eng. Chem. 17, 522 (1925).

Jaworowski, R. J.

R. J. Jaworowski, J. Air Poll. Control Assoc. 23, 791 (1973).

Kelz, F.

K. Stopperka and F. Kelz, Z. Anorg. Allgemeine Chemie 370, 49 (1969).

Lutschinsky, G. P.

G. P. Lutschinsky, Zhur. Fez. Klim. 30, 1207 (1956).

Montgomery, Jr., G. P.

G. P. Montgomery, Jr. and D. A. Stephenson (private communication).

Palmer, K. F.

K. F. Palmer and D. Williams, Appl. Opt. 14, 208 (1975).

Pinkley, L. W.

L. W. Pinkley and D. Williams, J. Opt. Soc. Am. 66, 122 (1976).

Ross, K.

H. Goksoyr and K. Ross, J. Inst. Fuel 35, 177 (1962).

Savoie, R.

P. A. Giguere and R. Savoie, J. Am. Chem. Soc. 85, 287 (1963).

Stafford, F. E.

S. M. Chackalackal and F. E. Stafford, J. Am. Chem. Soc. 88, 723 (1966).

Stephenson, D. A.

G. P. Montgomery, Jr. and D. A. Stephenson (private communication).

Stopperka, K.

K. Stopperka and F. Kelz, Z. Anorg. Allgemeine Chemie 370, 49 (1969).

K. Stopperka, Z. Anorg. Allgemeine Chemie 344, 263 (1966).

Thomas, J. S.

J. S. Thomas and W. F. Barker, J. Chem. Soc. (London) 127, 2824 (1925).

Verhoff, F. H.

F. H. Verhoff and J. T. Banchero, Chem. Eng. Prog. 70, 71 (1974).

Vermeulen, F.

J. I. Gmetro and F. Vermeulen, AIChE J 10, 740 (1964).

Williams, D.

L. W. Pinkley and D. Williams, J. Opt. Soc. Am. 66, 122 (1976).

K. F. Palmer and D. Williams, Appl. Opt. 14, 208 (1975).

Other

K. F. Palmer and D. Williams, Appl. Opt. 14, 208 (1975).

L. W. Pinkley and D. Williams, J. Opt. Soc. Am. 66, 122 (1976).

F. H. Verhoff and J. T. Banchero, Chem. Eng. Prog. 70, 71 (1974).

R. J. Jaworowski, J. Air Poll. Control Assoc. 23, 791 (1973).

P. A. Giguere and R. Savoie, J. Am. Chem. Soc. 85, 287 (1963).

S. M. Chackalackal and F. E. Stafford, J. Am. Chem. Soc. 88, 723 (1966).

K. Stopperka and F. Kelz, Z. Anorg. Allgemeine Chemie 370, 49 (1969).

K. Stopperka, Z. Anorg. Allgemeine Chemie 344, 263 (1966).

G. P. Lutschinsky, Zhur. Fez. Klim. 30, 1207 (1956).

J. I. Gmetro and F. Vermeulen, AIChE J 10, 740 (1964).

C. H. Greenewalt, Ind. Eng. Chem. 17, 522 (1925).

J. S. Thomas and W. F. Barker, J. Chem. Soc. (London) 127, 2824 (1925).

Ullmann's Encyclopädie der Technischen Chimie, Band 15, 424 (Urban and Schwarzenberg, Munchen-Berlin, 1964).

H. Goksoyr and K. Ross, J. Inst. Fuel 35, 177 (1962).

G. P. Montgomery, Jr. and D. A. Stephenson (private communication).

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