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http://hdl.handle.net/2074/1271
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| Title: | Partial molar heat capacities and volumes of transfer of some saccharides from water to aqueous urea solutions atT = 298.15 K |
| Authors: | Banipal, P K
Banipal, T S
Ahluwalia, J C
Lark, B S |
| Keywords: | saccharides
heat capacity
volume
interaction coefficients
stereochemical effects |
| Issue Date: | 2000 |
| Citation: | The Journal of Chemical Thermodynamics, 32(10), 1409-1432 |
| Abstract: | Apparent molar heat capacities Cpand volumes V of seven monosaccharides {d( − )-ribose,d( − )-arabinose,d( + )-xylose,d( + )-glucose,d( + )-mannose,d( + )-galactose,d( − )-fructose}, seven disaccharides {sucrose,d( + )-cellobiose, lactulose,d( + )-melibiose hemihydrate,d( + )-maltose monohydrate,d( + )-lactose monohydrate,d( + )-trehalose dihydrate} and one trisaccharide {d( + )-raffinose pentahydrate} have been determined in (0.5, 1.0, 1.5, and 3.0)mol · kg − 1aqueous urea solutions atT = 298.15 K from specific heat and density measurements employing a Picker flow microcalorimeter and a vibrating-tube densimeter, respectively. By combining these data with the earlier reported partial molar heat capacitiesCp,2o and volumes V2oin water, the corresponding partial molar properties of transfer (Cp,2, troandV2, tro ) from water to aqueous urea solutions at infinite dilution have been estimated. Both the Cp,2, troand V2,trovalues have been found to be positive for all the suga... |
| URI: | http://eprint.iitd.ac.in/dspace/handle/2074/1271 |
| Appears in Collections: | Chemistry
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