✦ LIBER ✦

Densities of aqueous solutions of sodium carbonate and sodium bicarbonate at temperatures from (298 to 623) K and pressures to 28 MPa

✍ Scribed by Andrei V. Sharygin; Robert H. Wood

Publisher: Elsevier Science
Year: 1998
Tongue: English
Weight: 237 KB
Volume: 30
Category: Article
ISSN: 0021-9614
DOI: 10.1006/jcht.1998.0426

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✦ Synopsis

Densities of aqueous solutions of Na CO and NaHCO with molalities from 0.1 mol kg 2 3 3

. y 1 to 1.0 mol kg have been measured from the temperatures 298 K to 623 K and pressures up Ž . to 28 MPa using a vibrating-tube flow densimeter. The volumetric results for Na CO aq 2 3 Ž . and NaHCO aq are in good agreement with the literature data at low temperatures. At 3 Ž . high temperatures, the treatment of results must include the hydrolysis of Na CO aq , 2 3 Ž . disproportionation of NaHCO aq , and association of carbonate and bicarbonate ions with 3 sodium ion.

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