Robert B. Ferguson
Maulana Azad National Institute of Technology
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Acta Crystallographica Section B Structural Crystallography and Crystal Chemistry | 1982
Frank C. Hawthorne; I. Borys; Robert B. Ferguson
Calcium tartrate tetrahydrate, C a 2 + . C 4 H 4 0 ~ . 4 H 2 O, orthorhombic, P212121, a = 9.631 (2), b = 10.573(3), c = 9.215 (2)A, V = 938.4 A 3, Z = 4, D c = 1.84 Mg m -3. The structure was solved by Patterson and Fourier methods, and refined by full-matrix least squares to an R of 0.037 for 1504 observed reflexions using Mo Ka (2 = 0.71069 A) 0567-7408/82/092461-03501.00 X-radiation. Calcium links the tartrate molecules into infinite chains along e, with the chains cross-linked by a network of hydrogen bonds. Introduction. A gel was prepared by acidification of a sodium silicate solution with tartaric acid in a constant-temperature bath, and a solution of 0.5 mol dm -3
Canadian Mineralogist | 1976
Joel D. Grice; Robert B. Ferguson; Frank C. Hawthorne
Canadian Mineralogist | 1957
Robert B. Ferguson
Acta Crystallographica Section C-crystal Structure Communications | 1983
Frank C. Hawthorne; I. Borys; Robert B. Ferguson
Canadian Mineralogist | 1976
Robert B. Ferguson; Frank C. Hawthorne; Joel D. Grice
Canadian Mineralogist | 1983
Frank C. Hawthorne; Robert B. Ferguson
Canadian Mineralogist | 1989
Catherine R. McGregor; Robert B. Ferguson
Canadian Mineralogist | 1980
Robert B. Ferguson
Canadian Mineralogist | 1960
Robert B. Ferguson
Canadian Mineralogist | 1989
Joel D. Grice; Robert B. Ferguson