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Vapour pressure

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The vapour pressure of the pure acid (2-phosphonobutane-1,2,4-tricarboxylic acid) was calculated by means of the program EPIWIN (v3.12), which is part of the program compilation EPI Suite. The vapour pressure of 2-phosphonobutane-1,2,4-tricarboxylic acid at 25 °C was estimated to be 6.06 x 10 11 mm Hg corresponding to 8.08 x 10-9 Pa (using the Modified Grain method).

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