Smith, J. Lawrence

Smith, J. Lawrence, Examination of American minerals. No. 6—Description... 

Metcalfe-Smith, J.L. 1994. Influence of species and sex on metal residues in freshwater mussels (Family Unionidae) from the St. Lawrence River, with implications for biomonitoring programs. Environ. Toxicol. Chem. 13 1433-1443. 

S. A. Kruse, J. A. Smith, A. J. Lawrence, M. A. Dresner, A. Manduca, J. F. Greenleaf and R. L. Ehman, Tissue characterization using magnetic resonance elastography preliminary results, Phys. Med. Biol., 2000, 45, 1579-1590. 

In 1877 the American mineralogical chemist J. Lawrence Smith named a mineral from North Carolina, a columbate of uranium, hatchetto-lite, because Hatchett s discovery of columbium (niobium) was clear, precise, and well made out, and has never been controverted (35). 

Mosande/s work was confirmed by Marc Delafontaine, J.-C. G. de Marignac, J. Lawrence Smith, P. T. Cleve, and Lecoq de Boisbaudran, but, for some reason, a confusing shift of names occurred. The names erbia and terbia were interchanged, so that the former now applies to... 

Wolpert, L., Beddington, R., Jessell, T., Lawrence, P., Meyerowitz, E., and Smith, J. (2002) Principles of Development, 2nd ed., Current Biology/Oxford Univ. Press, London... 

Stark, A., Abrajano, T., Hellou, J., and Metcalf-Smith, J.L. (2003) Molecular and isotopic characterization of polycyclic aromatic hydrocarbon distribution and sources at the international segment of the St. Lawrence River. Org. Geochem. 34, 225-237. 

Lawrence AJ, Smith GM (1974) Measurement of gastric acid secretion by conductivity. Eur J Pharmacol 25 383-389 Smith GM, Lawrence AJ, Colin-Jones DG, Schild HO (1970) The assay of gastrin in the perfused rat stomach. Br J Pharmacol 38 206-213... 

Lawrence, R.J., Smith, J.R., Boyd, B.L., Capacio, B.R. (2008). Improvements in the methodology of monitoring sulfur mustard exposure by gas chromatography-mass spectrometry... 

The authors are indebted to R. W. Sanders, M. R. Smith, J. H. Reeves, C. L. Nelson, and M. R. Grove for their assistance with the analyses. E. S. Getchell, R. M. Garcia, and G. M. Garnant provided assistance with preparation of the manuscript. We are also indebted to the staffs of the Laramie Energy Research Center, Lawrence Livermore Laboratory s Oil Shale Project, the Pittsburg and Midway Coal Company, and Phyllis Fox of the University of California, Berkeley, for providing us with samples. This research was supported by ERDA Contracts RPLS-2126 and RPLS-1654. 

Samarium is named after the mineral samarskite, from which the first traces were found. The history of its discovery is very convoluted, and it is part of the complex yttria group. The first suggestion of a new element came in 1846, but it was not until 1878 that J. Lawrence Smith (1818-1883) announced a new element he called mosandrum. His discovery was disputed, and, in 1879, Francois Lecoq de Boisbaudran named it samaria, which was later changed to samarium. The whitish-silver element does not occur in elemental form in nature. It has been used in lighting systems and also as part of rare-earths magnets, in lasers, in infrared absorbing glass, and in nuclear reactors as a neutron buffer. 

Giauque, R. D. Fox, J. P. Smith, J. W. "Characterization of Two Core Holes from the Naval Oil Shale Reserve Number 1" Lawrence Berkeley Laboratory Rept., LBL-10909, 1980. 

Analytical Analyses. The potassium remaining in the coal ash was determined with a Perkin-Elmer model 303 atomic absorption spectrophotometer after performing a J. Lawrence Smith ignition on the sample. To obtain a total potassium balance it was necessary to recover the potassium that adhered to the nickel catalyst by digesting the catalyst with acid and determining the potassium by atomic absorption. The amount of carbonate in the ash was determined by treating the ash with 1 1 HC1 solution. The evolved gases were scrubbed, and the C02 was absorbed in Ascarite. 

Prostaglandin Endoperoxide Synthases William L Smith and Lawrence J. Mamett... 

J. Lawrence Smith was bom in 1818 in the United States. He was a mineralogist and analytical chemist. He died in 1883. 

Smith, J.P., Ooraikul, B., Koersen, W.J., Van de Voort, F.R., Jackson, E.D. and Lawrence, R. A. (1986b) Shelf-life extension of a bakery product using ethanol vapor. Food Microbiol. 4, 329-337. 

One name question had thus got an answer but another had arisen. About tantalum no further discussion was needed. But the lighter element - should it be called columbium following Hatchett or niobium following Heinrich Rose. And furthermore were columbium and niobium identical or two different elements An American chemist, J. Lawrence Smith, was contemporary with Rose and had studied with Justus Liebig in the 1840s. He was thus familiar with European chemical hterature and probably with Rose s work on niobium and tantalum. He was professor of chemistry at the university in Louisville 1854-1866 and in 1877 was the second president of the American Chemical Society. In 1877, Smith stated in the American Journal of Science that in 1844 Rose had been of the opinion that he had discovered a new element niobium while Hatchett s columbium was identical with tantalum. However, according to Smith, Rose s further work revealed that niobium was actually identical with columbium. That solved the chemical identification problems. The difficult name question - columbium or niobium - remained to be answered. 

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