- 26.26-1: Define(a) elution(b) mobile phase(c) stationary phase(d) distributi...
- 26.26-2: Describe the general elution problem
- 26.26-3: List the variables that lead to zone broadening in chromatography
- 26.26-4: What are the major differences between gas-liquid and liquid-liquid...
- 26.26-5: What are the differences between liquid-liquid and liquid-solid chr...
- 26.26-6: What variahles are likely to affect the selectivity factor a for a ...
- 26.26-7: Describe how the retention factor for a solute can be manipulated.
- 26.26-8: Describe a method for determining the number of plates in a column.
- 26.26-9: Name two general methods for improving the resolution of two substa...
- 26.26-10: Why does the minimum in a plot of plate height versus flow rate occ...
- 26.26-11: What is gradient elution?
- 26.26-12: List the variables in chromatography that lead to zone separation?
- 26.26-13: What would be the effect on a chromatographic peak of introducing t...
- 26.26-14: A chromatogram of a mixture of species A. B, C, and D provided the ...
- 26.26-15: From the data in Prohlem 26-14, calculate for A, B, C. and D(a) the...
- 26.26-16: From the data in Prohlem 26-14. calculate for species Band C(a) the...
- 26.26-17: From the data in 26-14, calculate for species C and D(a) the resolu...
- 26.26-18: The following data were obtained by gas-liquid chromatography on a....
- 26.26-19: Referring to 26-18, calculate the resolution for(a) methylcyclohexe...
- 26.26-20: If a resolution of 1.5 is desired in separating methylcyclohexane a...
- 26.26-21: If Vs and V" for the column in Prohlcm 26-18 are 19.6 and 62.6 mL. ...
- 26.26-22: The relative areas for the five gas chromatographic peaks obtained ...
- 26.26-23: A chromatogram of a two-component mixture on a 25-cm packed LC colu...
Solutions for Chapter 26: An Introduction to Chromatographic Separations
Full solutions for Principles of Instrumental Analysis | 6th Edition
(n 1 1) rule
If a hydrogen has n hydrogens nonequivalent to it but equivalent among themselves on the same or adjacent atom(s), its 1 H!NMR signal is split into (n 1 1) peaks
Stereoisomeric cyclic hemiacetals of an aldose or ketose that differ from each other in their configuration at the anomeric carbon.
The addition of atoms or groups of atoms to opposite faces of a carbon-carbon double bond.
A solution in which the solvent is water. (4.1)
Covalent hydrides of boron. (Section 22.11)
A step in a chain reaction characterized by the reaction of a reactive intermediate and a molecule to give a new reactive intermediate and a new molecule.
The study of matter and the changes it undergoes. (1.1)
The process of preparing a less concentrated solution from a more concentrated one by adding solvent. (Section 4.5)
A compound containing two hydroxyl groups
A cyclic ether in which oxygen is one atom of a three-membered ring
A substance with one or more unpaired electrons. (Section 21.9)
Compounds that contain only carbon, fluorine, and hydrogen (no chlorine).
Elements that lie along the diagonal line separating the metals from the nonmetals in the periodic table; the properties of metalloids are intermediate between those of metals and nonmetals. (Section 2.5)
The state of a system at a particular instant; one of many possible energetically equivalent ways to arrange the components of a system to achieve a particular state. (Section 19.3)
A reaction in which one compound undergoes an increase in oxidation state.
partially condensed structures
A drawing style in which the CH bonds are not drawn explicitly, but all other bonds are drawn.
A group derived by removing an H from benzene; abbreviated C6H5! or Ph!.
Pi (p) bond
A covalent bond formed by the overlap of parallel 2p orbitals.
Resonance in NMR spectroscopy
The absorption of electromagnetic radiation by a precessing nucleus and the resulting “fl ip” of its nuclear spin from the lower energy state to the higher energy state.
A material that has electrical conductivity between that of a metal and that of an insulator. (Section 12.7)
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