Abstract

The infrared absorption coefficient of H2SO4 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 P, Q, and R branches of the measured band cover a spectral range of 1190 to 1260 cm−1. The peak absorption coefficient of 4.16 ±0.15 atm−1 cm−1 occurred at 1222 cm−1 within the Q branch, with an integrated absorption coefficient of 120 atm−1cm−2 over the entire band. Within the resolution of the experiment, 0.5 cm−1, no fine structure was observed on this band.

© 1977 Optical Society of America

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References

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  1. K. F. Palmer and D. Williams, Appl. Opt. 14, 208 (1975).
    [CrossRef] [PubMed]
  2. L. W. Pinkley and D. Williams, J. Opt. Soc. Am. 66, 122 (1976).
    [CrossRef]
  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).
    [CrossRef]
  5. P. A. Giguere and R. Savoie, J. Am. Chem. Soc. 85, 287 (1963).
    [CrossRef]
  6. S. M. Chackalackal and F. E. Stafford, J. Am. Chem. Soc. 88, 723 (1966).
    [CrossRef]
  7. K. Stopperka and F. Kelz, Z. Anorg. Allgemeine Chemie 370, 49 (1969).
    [CrossRef]
  8. K. Stopperka, Z. Anorg. Allgemeine Chemie 344, 263 (1966).
    [CrossRef]
  9. G. P. Lutschinsky, Zhur. Fez. Klim. 30, 1207 (1956).
  10. J. I. Gmetro and F. Vermeulen, AIChE J 10, 740 (1964).
    [CrossRef]
  11. C. H. Greenewalt, Ind. Eng. Chem. 17, 522 (1925).
    [CrossRef]
  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 and D. A. Stephenson (private communication).

1976 (1)

1975 (1)

1974 (1)

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

1973 (1)

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

1969 (1)

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

1966 (2)

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

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

1964 (1)

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

1963 (1)

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

1962 (1)

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

1956 (1)

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

1925 (2)

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

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

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).
[CrossRef]

Giguere, P. A.

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

Gmetro, J. I.

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

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).
[CrossRef]

Jaworowski, R. J.

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

Kelz, F.

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

Lutschinsky, G. P.

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

Montgomery, G. P.

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

Palmer, K. F.

Pinkley, L. W.

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).
[CrossRef]

Stafford, F. E.

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

Stephenson, D. A.

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

Stopperka, K.

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

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

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).
[CrossRef]

Williams, D.

AIChE J (1)

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

Appl. Opt. (1)

Chem. Eng. Prog. (1)

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

Ind. Eng. Chem. (1)

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

J. Air Poll. Control Assoc. (1)

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

J. Am. Chem. Soc. (2)

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

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

J. Chem. Soc. (London) (1)

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

J. Inst. Fuel (1)

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

J. Opt. Soc. Am. (1)

Z. Anorg. Allgemeine Chemie (2)

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

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

Zhur. Fez. Klim. (1)

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

Other (2)

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

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

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Figures (5)

FIG. 1
FIG. 1

Vapor generator and absorption cell.

FIG. 2
FIG. 2

Schematic of measurement system.

FIG. 3
FIG. 3

H2SO4 vapor spectrum (I) and unattenuated signal (I0).

FIG. 4
FIG. 4

Plot of In In(I0/I) vs reciprocal temperature. The straight line is a fit by regression analysis to the data points. The temperatures plotted are those of the liquid sulfuric acid. The vapor in the absorption cell was at 1 atm pressure and 475 K for all data.

FIG. 5
FIG. 5

Absorption coefficient vs frequency for H2SO4 vapor at 475 K and atmospheric pressure.

Equations (8)

Equations on this page are rendered with MathJax. Learn more.

I ( υ ) = I 0 ( υ ) exp ( α υ p l ) ,
α υ = ( p l ) 1 ln ( I 0 ( υ ) / I ( υ ) ) .
ln p = B / T + ln A ,
B az = 9155 .
ln ln ( I 0 / I ) = B / T + ln A ,
B x = 9158 .
α 1222 = 4.16 ± 0.15 atm 1 cm 1 ,
α GR = 4.08 ± 0.3 atm 1 cm 1 ,