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Partial molar volumes of organic solutes in water. VII. o- and p-Aminobenzoic acids at T =  298 K to 498 K and o-diaminobenzene atT =  298 K to 573 K and pressures up to 30 MPa

✍ Scribed by Pavel Hynčica; Lubomı́r Hnědkovský; Ivan Cibulka

Publisher
Elsevier Science
Year
2002
Tongue
English
Weight
145 KB
Volume
34
Category
Article
ISSN
0021-9614

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✦ Synopsis

Density data for dilute aqueous solutions of two isomeric aminobenzoic acids and of o-diaminobenzene (1,2-diaminobenzene) are presented together with partial molar volumes calculated from the experimental data. The measurements were performed at temperatures from 298.15 K up to either 498.15 K (aminobenzoic acids) or 573.15 K (odiaminobenzene) and at either atmospheric pressure, or at pressures close to the saturated vapour pressure of water, and also at pressure p = 30 MPa. The data were obtained using either a high-temperature and high-pressure flow vibrating-tube densimeter for measurements at elevated pressures or a commercial vibrating-tube cell DMA 602HT for measurements at atmospheric pressure.

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