Irreversible Adsorption of Cellobiose, Ascorbic Acid, and Tyrosine to Hydrophobic Surfaces in Water and Their Separation by Molecular Stirring
✍ Scribed by Guangtao Li; Karl Doblhofer; Jürgen-Hinrich Fuhrhop
- Publisher
- John Wiley and Sons
- Year
- 2002
- Tongue
- English
- Weight
- 152 KB
- Volume
- 41
- Category
- Article
- ISSN
- 0044-8249
No coin nor oath required. For personal study only.
✦ Synopsis
ation (l 154.056 pm), T 20 8C, 21 measured reflections (2V max 948, D2V 0.018), no absorption correction, refinement program: WIN-Rietveld, [28] background: linear interpolation, peak profile function: pseudo-Voigt, zero-point shift: D2V À 0.017(3)8, 18 refined parameters (Rb 2 Te Si), R p 3.79 %, R wp 4.87 %, atomic sites: Rb (8c) 1 ³4 1 ³4 1 ³4, Te (4a) 0 0 0. a-Rb 2 Te: orthorhombic, space group Pnma, a 896.60(3) pm, b 557.15(2) pm, c 1095.43(3) pm, V 5.4722(4) Â 10 8 pm 3 , 1 calcd 3.624(1) g cm À3 , Cu Ka1 radiation (l 154.056 pm), T 20 8C, 263 measured reflections (2V max 948, D2V 0.018), no absorption correction, refinement program: GSAS, [29] background: Chebyshev function with 36 coefficients, peak profile function: modified Thompson ± Cox ± Hastings pseudo-Voigt, zero-point shift: D2V À 0.003(1)8; 20 refined parameters (without background), R p 2.54 %, R wp 3.31 %, atomic coordinates of all atoms at the site (4c) x 1 ³4 z: x(Rb(1)) 0.0271(3), z(Rb(1)) 0.1784(2), x(Rb(2)) 0.1534(2), z(Rb(1)) 0.5728(2), x(Te) 0.2483(2), z(Te) 0.8860(1). Furthermore, diffraction patterns were taken at higher temperatures with a heating fork (Table 1), 2V max 658, refinement program: WIN-Rietveld. [28] b-Rb 2 Te: hexagonal, space group P6 3 /mmc, a 611.10(5) pm, c 919.0(1) pm, V 2.9723(7) Â 10 8 pm 3 , 1 calcd 3.336(1) g cm À3 , Cu Ka1 radiation (l 154.056 pm), T 680 8C, 28 measured reflections (2V max 608, D2V 0.018), no absorption correction, refinement program: GSAS, [29] background: Chebyshev function with 36 coefficients, peak profile function: modified Thompson ± Cox ± Hastings pseudo-Voigt, zero-point shift: D2V À 0.018(3)8; 12 refined parameters (without background), R p 3.39 %, R wp 4.34 %, atomic sites: Rb(1) (2a) 0 0 0, Rb(2) (2d) 1 ³3 2 ³3 3 ³4, Te (2c) 1 ³3 2 ³3 1 ³4.