Analytical Chemistry

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Figure 4.42 (a) Simplex lattice design for reversed-phase chromatographic optimization showing relative proportions of each solv ...

compositions in turn, and a resolution contour map generated from the COF values for each pair of adjacent components in the mix ...

Figure 4.43 Selection of suitable liquid chromatographic methods for anlaysis depending on solute structure and properties. ...

Figure 4.44 Effect of eluent pH on selectivity in reverse-phase BPC. Column, 30 × 0.4 cm, μ-Bondapak-C 18 , 10 μm; mobile phase, ...

vitamins, flavourings and colourings and the quality control of polymers, plastics and resins are further examples of the very w ...

Figure 4.45 (a) Configuration of ion chromatograph with ion-exchange separation column and conductometric detector. (b) Ion chro ...

Figure 4.46 Self-regenerating suppressor cartridge incorporating an electrolysis cell. (a) For anionic analytes. (b) For cationi ...

the central compartment to form water by replacing Na+ ions or methyl sulphonate anions (MSA), respectively. These pass outwards ...

The instrumentation developed for SFC is based on both gas and liquid chromatographs. The supercritical fluid is delivered to th ...

Figure 4.47 Examples of separation by HPLC and IC. ...

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permeation material supported on glass plates, plastic sheets or aluminium foil; development tanks; components sometimes examine ...

Figure 4.48 Thin-layer chromatogram. Factors Affecting Rf Values and Resolution Basically, the Rf value of a solute is determine ...

lining the walls with filter-paper soaked in the appropriate solvent or solvent mixture. The tank should be prepared about 15 mi ...

Figure 4.49 Two-dimensional chromatogram; standard map for amino acids taurine 2. glutamic acid 3. serine 4. glycine 5. threoni ...

Table 4.15(a) Chromogenic reagents for visualizing thin-layer chromatograms Reagent Applications iodine vapour general organic, ...

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functions primarily as a surface adsorbent if dried above 100°C, otherwise the adsorbed water acts as the stationary phase for a ...

to aid the selection of the best solvent or solvent mixture for a particular sample. Qualitative Analysis Components are identif ...