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Titlebook: Instrumental Analysis in the Biological Sciences; M. H. Gordon,R. Macrae Book 1987 Springer Science+Business Media New York 1987 Instrumen

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书目名称Instrumental Analysis in the Biological Sciences
编辑M. H. Gordon,R. Macrae
视频video
图书封面Titlebook: Instrumental Analysis in the Biological Sciences;  M. H. Gordon,R. Macrae Book 1987 Springer Science+Business Media New York 1987 Instrumen
描述Instrumental techniques of analysis have now moved from the confines of the chemistry laboratory to form an indispensable part of the analytical armoury of many workers involved in the biological sciences. It is now quite out of the question to considcr a laboratory dealing with the analysis of biological materials that is not equipped with an extensive range of instrumentation. Recent years have also seen a dramatic improvement in the ease with which such instruments can be used, and the quality and quantity of the analytical data that they can produce. This is due in no sm all part to the ubiquitous use of microprocessors and computers for instrumental control. However, under these circumstances there is areal danger of the analyst adopting a ‘black box‘ mentality and not treating the analytical data produced in accordance with the limitations that may be inherent in the method used. Such a problem can only be overcome if the operator is fully aware of both the theoretical and instrumental constraints relevant to the technique in question. As the complexity and sheer volume of material in undergraduate courses increases, there is a tendency to reduce the amount of fundamental mat
出版日期Book 1987
关键词Instrumental Analysis; cellulose; chemistry; electron spin; energy; instruments; nuclear energy; nuclear ma
版次1
doihttps://doi.org/10.1007/978-1-4684-1521-6
isbn_softcover978-0-216-92010-1
isbn_ebook978-1-4684-1521-6
copyrightSpringer Science+Business Media New York 1987
The information of publication is updating

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Electrophoresis,nts may be molecular, for example, proteins, or cells or even charged particles, but here we shall restrict our discussion to charged molecules (ions). Similarly, the fluid medium may be liquid or gaseous, but in biological systems it is only electrophoresis in the former that is of interest. It sho
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Fluorescence and phosphorescence spectrophotometry,r in the nature of the ground and excited states. A molecule may be excited from a singlet ground state to a singlet excited state by the absorption of radiation in the UV or visible region of the spectrum. Electronic excitation is accompanied by excitation to a higher vibrational energy level. The
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Infrared spectroscopy,rd spectrometers scan the mid-IR region between 4000 and 400 cm. (2·5–25 .m). The near-IR extends from 12 500–4000 cm . (0·8–2·5 .m), and the region from 400–50 cm . (25–200 .m) is known as the far-IR. IR radiation causes transitions between vibrational energy levels and also between rotational ener
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Electron spin resonance,cies containing unpaired electrons. Thus it is restricted to free radicals, paramagnetic metal ions and molecules in a triplet electronic state. The technique involves the absorption of microwave radiation, which induces transitions between electronic magnetic energy levels.
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Flame techniques,c species from inorganic analytes in solution. The simplest of these is flame photometry, now more commonly termed flame emission spectrometry (FES), which is based on the measurement of the light emitted when atoms raised to an excited state by the thermal energy of the flame return to the ground s
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