- 28.28-1: List the types of substances to which each of the following chromat...
- 28.28-2: Describe three general methods for improving resolution in partitio...
- 28.28-3: Describe a way to manipulate the retention factor of a solute in pa...
- 28.28-4: How can the selectivity factor be manipulated in (a) gas chromatogr...
- 28.28-5: In preparing a hexane-acetone gradient for an alumina HPLC column, ...
- 28.28-6: 6 What is meant by the linear-response range of a detector?
- 28.28-7: Define(a) isocratic elution.(b) gradient elution.(c) stop-flow inje...
- 28.28-8: What is a guard column in partition chromatography?
- 28.28-9: In what way are normal-phase partition chromatography and adsorptio...
- 28.28-10: What is the order in which thc following compounds would be eluted ...
- 28.28-11: What is the order of elution of the following compounds from a norm...
- 28.28-12: Describe the fundamental difference between adsorption and partitio...
- 28.28-13: Describe the fundamental difference between ion-exchange and size-e...
- 28.28-14: What types of species can be separated by HPLC but not by GC"?
- 28.28-15: Describe the various kinds of pumps used in HPLC. What are the adva...
- 28.28-16: Describe the differences between single-column and suppressor-colum...
- 28.28-17: Mass spectrometry is an extremely versatile detection system for ga...
- 28.28-18: Which of the GC detectors in Table 27-1 are suitable for HPLC? Why ...
- 28.28-19: Although temperature does not have nearly the effect on HPLC separa...
- 28.28-20: Two components in an HPLC separation have retention times that diff...
- 28.28-21: An HPLC method was developed for the separation and determination o...
- 28.28-22: [n a normal-phase partition column, a solute was found to have a re...
- 28.28-23: 3 Assume for simplicity that the HPLC plate height, H, can be given...
Solutions for Chapter 28: Liquid Chromatography
Full solutions for Principles of Instrumental Analysis | 6th Edition
An !OR group where R is an alkyl group
A group that is formed by removing a hydrogen atom from an alkane. (Section 25.3)
A steroid hormone, such as testosterone, that promotes tissue and muscle growth and development
Compounds consisting of a single ring containing a fully conjugated p system. Benzene is annulene.
An alkane containing two rings that share two carbons
A series of reactions in which one reaction initiates the next. (Section 21.7)
critical pressure (Pc).
The minimum pressure necessary to bring about liquefaction at the critical temperature. (11.8)
Stereoisomers that are not mirror images of one another.
The structure for DNA that involves the winding of two DNA polynucleotide chains together in a helical arrangement. The two strands of the double helix are complementary in that the organic bases on the two strands are paired for optimal hydrogen bond interaction. (Section 24.10)
A material that, when stretched or otherwise distorted, returns to its original shape when the distorting force is released.
Lanthanide and actinide elements in which the 4f or 5f orbitals are partially occupied. (Section 6.9)
An organic compound containing at least one halogen.
Cleavage of a single bond by H2, most commonly accomplished by treating a compound with H2 in the presence of a transition metal catalyst.
A process by which the chain of a carbohydrate is lengthened by one carbon atom.
limiting reactant (limiting reagent)
The reactant present in the smallest stoichiometric quantity in a mixture of reactants; the amount of product that can form is limited by the complete consumption of the limiting reactant. (Section 3.7)
The product formed when either d-ribose or 2-deoxy-d-ribose is coupled with certain nitrogen heterocycles (called bases).
The percent of a substance that undergoes ionization on dissolution in water. The term applies to solutions of weak acids and bases. (Section 16.6)
An insoluble substance that forms in, and separates from, a solution. (Section 4.2)
sp Hybrid orbitaL
A hybrid atomic orbital formed by the combination of one s atomic orbital and one 2p atomic orbital.
A geometry adopted by an atom that has one lone pair and a steric number of 4.
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