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Journal article

A study of the phase transition behavior of internally mixed ammonium sulfate - malonic acid aerosols

Braban C, Abbatt J...(+2 more)

Atmospheric Chemistry and Physics, vol. 4, issue 5 (2004) pp. 1451-1459

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Abstract

This is a study into the phase transitions of aerosol composed of the ternary system ammonium sulfate (AS) malonic acid (MA) water using infrared extinction spec- troscopy. Twelve compositions were studied in both deli- quescence and efflorescence mode experiments. The pres- ence of a MA fraction, by dry mass, (fMA) of 0.1 in an AS aerosol altered the relative humidity at which the phase tran- sitions occur in an atmospherically significant manner. For compositions with 0.25

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