HENRYS LAW COEFFICIENTS FOR AQUEOUS-SOLUTIONS OF ACETONE, ACETALDEHYDE AND ACETONITRILE, EQUILIBRIUM-CONSTANTS FOR THE ADDITION-COMPOUNDS OF ACETONE AND ACETALDEHYDE WITH BISULFITE

Vapor phase concentrations of acetone, acetaldehyde and acetonitrile over their aqueous solutions were measured to determine Henry's law partition coefficients for these compounds in the temperature range 5-40-degrees-C. The results are for acetone: ln(H1/atm) = -(5286 +/- 100)T + (18.4 +/-0.3); acetaldehyde: ln(H1/atm) = - (5671 +/- 22)/T + (20.4 +/- 0.1); and acetonitrile: ln(H1/atm) = -(4106 +/- 101)/ + (13.8 +/- 0.3). Artificial seawater of 3.5% salinity in place of deionized water raises H1 by about 15%. A similar technique has been used to measure the equilibrium constants for the addition compounds of acetone and acetaldehyde with bisulfite in aqueous solution. The results are ln(K1/M-1) = (4972 +/-318)/T - (11.2 +/-1.1) and ln(K1/M-1) = (6240 +/- 427)/ T - (8.1 +/- 1.3), respectively. The results are compared and partly combined with other data in the literature to provide an average representation.