1) Study the chromatograph (below) of a mixture of Compounds A and B, run on the GCs in the teaching labs at CU Boulder. Compound A has the shorter retention time. START 61 1.11 227 RT AREA 0.61 XXXX 1.11 XXXX 2.27 Хххх TVPE XX XX ARIHT XX XX XX AREAS 0 009 55874 44.117 TOTAL AREA= XX MUL FAC TOR XX 1. What is the retention time of compound A? Compound B? 2. Which compound is present in a larger amount? 3. Which compound has the lower boiling point? 4. What would happen to the retention times of compounds A and B if the column temperature were raised? 5. You suspect that compound B is octane. What can you do to provide supporting evidence for this hypothesis?
1) Study the chromatograph (below) of a mixture of Compounds A and B, run on the GCs in the teaching labs at CU Boulder. Compound A has the shorter retention time. START 61 1.11 227 RT AREA 0.61 XXXX 1.11 XXXX 2.27 Хххх TVPE XX XX ARIHT XX XX XX AREAS 0 009 55874 44.117 TOTAL AREA= XX MUL FAC TOR XX 1. What is the retention time of compound A? Compound B? 2. Which compound is present in a larger amount? 3. Which compound has the lower boiling point? 4. What would happen to the retention times of compounds A and B if the column temperature were raised? 5. You suspect that compound B is octane. What can you do to provide supporting evidence for this hypothesis?
Chapter15: Electrophoresis And Other Separation Methods
Section: Chapter Questions
Problem 5P
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Transcribed Image Text:1) Study the chromatograph (below) of a mixture of Compounds A and B, run on the GCs in the
teaching labs at CU Boulder. Compound A has the shorter retention time.
STAAT
61
1.11
227
RT
TYPE
AREA
XXXX
XXXX
XXXX
AREAS
0.009
55874
44.117
ARIHT
0.61
XX
XX
XX
1.11
2.27
XX
XX
XX
TOTAL AREA=XX
MUL FACTOR=XX
1. What is the retention time of compound A? Compound B?
2. Which compound is present in a larger amount?
3. Which compound has the lower boiling point?
4. What would happen to the retention times of compounds A and B if the column temperature were
raised?
5. You suspect that compound B is octane. What can you do to provide supporting evidence for this
hypothesis?
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