Acetone

Porter, G.; Yip, R.W.; Dunston, J.M.; Cessna, A.J.; Sugamori, S.E.
Detection and lifetime of the triplet state of acetone in solution.
Trans. Faraday Soc. 67: 3149-54 (1971)

Acetone
Solvent : Acetonitrile, 296 K

wave length at maximum ~302 nm

Triplet state population method: Flash photolysis
Lifetime = 47 ± 6 micro sec.
Comments: *Phosphorescence decay

Porter, G.; Windsor, M.W.
The triplet state in fluid media.
Proc. R. Soc. London, Ser. A 245: 238-58 (1958)

Acetone
Solvent : Liquid paraffin

wave length at maximum = 324 nm

Triplet state population method: Flash photolysis
Comments: Solvent viscosity was 0.19 N•s/m2

Naito, I.; Schnabel, W.
The laser-flash photolysis of propanone, butanone, and 2-pentanone. Study of triplet decay processes in aliphatic carbonyl compounds.
Bull. Chem. Soc. Jpn. 57: 771-5 (1984)

Acetone
Solvent : Methylene chloride

wave length at maximum = 240 nm

Triplet state population method: Pulsed laser photolysis
Lifetime = 6.3 micro sec.
Comments: *Phosphorescence decay and oxygen quenching

Kasama, K.; Takematsu, A.; Arai, S.
Photochemical reactions of triplet acetone with indole, purine, and pyrimidine derivatives.
J. Phys. Chem. 86: 2420-7 (1982)

Acetone
Solvent : Water

Triplet state population method: Pulsed laser photolysis
Extinction coefficient estimation method: Energy transfer
Lifetime = 5.0 micro sec.
Triplet energy transfer rate constant = 3.6 x 109 L mol–1 sec–1.
Comments: epsilon relative to sodium 1,5-naphthalenedisulfonate in water (epsilon445 = 9900 L mol–1 cm–1); kinetic correction made in ET measurement

* Evidence supporting the assignment of the transient triplet state.
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