Aerosols and atmospheric chemistry the Kendall Award Symposium honoring Milton Kerker, at the proceedings of the American Chemical Society, Los Angeles, California, March 28-April 2, 1971.

Reverse osmosis membrane research, based on the symposium on polymers for desalination held at the 162 d national meeting of the American Chemical Society in Washington, D. C., September 1971.

Water structure at the water-polymer interface : proceedings of a symposium held on March 30 and April 1, 1971, at the 161 st national meeting of the American Chemical Society

Aerosols and atmospheric chemistry : the Kendall Award Symposium honoring Milton Kerker, at the proceedings of the American Chemical Society, Los Angeles, California, March 28-April 2, 1971

Sulfur research trends : the third annual Mardi Gras symposium sponsored by the Louisiana section of the American Chemical Society at Loyola University, New Orlans, La., Feb. 18-19,1971

Dielectric properties of polymers : proceedings of a symposium heldon March 29-30, 1971, in connectionwith the national meeting of the American Chemical Society in Los Angeles, California, March 28-April 2, 1971

Fate of organic pesticides in the aquatic environment : a symposium sponsored by the Division of Pesticide Chemistry at the 161st meeting of the American Chemical Society, Los Angeles, Calif., March 29-31, 1971

Ozone reactions with organic compounds : a symposium sponsored by the Division of Petroleum Chemistry at the 161 st. meeting of the American Chemical Society, Los Angeles, Calif. March 29-30, 1971. Philip S. Bailey, symposium chairman.

Biological correlations-The hansch approach : a symposium sponsored by the Division of Pesticide Chemistry at the 161st meeting of the American Chemical Society, Los Angeles, Calif., March 31, April 1, 1970 Wade Van Valkenburg, Symposium chairman.

Extractive and azeotropic distillation : based on papers presented at two symposia sponsored by the Division of Industrial and Engineering Chemistry of the American Chemical Society at the 160th meeting ,Chicago, ill., sept.17, 1970 and the 163rd meeting, Boston, Mass, april 14, 1972. Dimitrios P. Tassions symposia chairman.

Biochemistry.

Accounts of chemical research.