نتایج جستجو برای chromatography

تعداد نتایج: 77643  
2003
K. Tanaka,

terials, operated in a pressure-driven mode, plotted as a function of inverse temperature. This Rgure is intended to give some appreciation of the Suxes that are attainable; however, they are not normalized to a given partial pressure gradient or thickness of membrane, and thus the Suxes are not directly comparable. Taking a value of between 10 and 100 L m 2 min 1 as the level of oxygen Sux nee...

2003
H. F. De Brabander,

For the analysis of residues of veterinary drugs, liquid chromatography (LC) is of increasing importance: some of these molecules are polar, heat-sensitive and/or difRcult to analyse by gas chromatography}mass spectrometry (GC-MS). Moreover, LC is the method of choice for components of high molecular mass. Since the introduction of benchtop LC-MS instruments, there has been an increasing number...

Journal: :Health laboratory science 1973
A L Linch, E R Hendrickson, M Katz, J R Martin, G O Nelson, J N Pattison, A L Vander Kolk, R B Weidner,

2003
H. C. Smit,

Afeyan N, Fulton S, Gordon N et al. (1990) Perfusion chromatography: an approach to purifying macromolecules. Bio/technology 8: 203. Afeyan N, Gordon N, Mazsaroff I et al. (1990) Flowthrough particles for the high-performance liquid chromatography separation of bio-molecules: perfusion chromatography. Journal of Chromatography 519: 1}29. Afeyan N, Regnier F and Dean R Jr (1991) Perfusive Chroma...

Journal: :Clinical chemistry 1979
J Vasiliades, C Owens, F Ragusa,

Disopyramide is determined in serum by gas chromatography with a nitrogen-selective detector, by liquid chromatography, and by gas chromatography--mass spectrometry. Comparable results are obtained with the three techniques, with a within-run and between-run precision of 5 to 10% (coefficient of variation). Least-squares analysis of data on patients' sera, analyzed first by gas chromatography (...

2003
D. Shekhawat,

Polarity Reversed-phase chromatography and hydrophobic-interaction chromatography Centrifugation: Analytical Centrifugation. Chromatography: Protein Separation. III/Enzymes: Liquid Chromatography. Proteins: Capillary Electrophoresis; Centrifugation; Crystallization; Electrophoresis; Glycoproteins: Liquid Chromatography; High-Speed Countercurrent Chromatography; Ion Exchange; Metalloproteins: Ch...

2003
K. Terada,

substances and its interlaboratory use. Journal of Chromatography A 674: 97}126. Clauwaert KM, Van Bocxlaer JF, Lambert WE and De Leenheer AP (1997) Liquid chromatographic determination of cocaine, benzoylecgonine, and cocaethylene in whole blood and serum samples with diode-array detection. Journal of Chromatographic Science 35: 321}328. Gaillard Y and PeH pin G (1997) Use of high-performance ...

Journal: :Analytical chemistry 1990
Joseph Sherma,

s and the ICI Web of Science from November 1, 1999 to November 1, 2001. The literature search was augmented by consulting Analytical Abstracts, and the following journals publishing papers on TLC were searched directly: Journal of Chromatography (parts A and B and the bibliography issues), Journal of Chromatographic Science, Chromatographia, Analytical Chemistry, Journal of Liquid Chromatograph...

2016

In this laboratory exercise we will separate and identify the cations in an aqueous mixture that possibly contains Fe 3+ , Ni 2+ or Cu 2+ salts. The separation will be achieved using Paper Chromatography. Identification of the cations will be affected by simultaneously running separate solutions, each containing a single salt of these ions, through the chromatographic system and comparing the r...

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