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Quiz parámetros cromatográficos

Authored by Jhon Amaya

Chemistry

University

Used 12+ times

Quiz parámetros cromatográficos
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10 questions

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1.

FILL IN THE BLANK QUESTION

1 min • 1 pt

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The following data are for a liquid chromatographic column with a chromatogram of a mixture of species A, B, C, and D: 

Calculate for species B and C the resolution (three significant figures).

2.

FILL IN THE BLANK QUESTION

1 min • 1 pt

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The following data are for a liquid chromatographic column with a chromatogram of a mixture of species A, B, C, and D: 

Calculate for species B and C the selectivity factor α (three significant figures)

3.

FILL IN THE BLANK QUESTION

1 min • 1 pt

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The following data are for a liquid chromatographic column with a chromatogram of a mixture of species A, B, C, and D: 

Calculate for species B and C the average plate height in mm (three significant figures)

4.

FILL IN THE BLANK QUESTION

1 min • 1 pt

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The following data are for a liquid chromatographic column with a chromatogram of a mixture of species A, B, C, and D: 

Calculate for species B and C the length of column (cm) necessary to separate the two species with a resolution of 2,5. (three significant figures)

5.

FILL IN THE BLANK QUESTION

1 min • 1 pt

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The following data are for a liquid chromatographic column with a chromatogram of a mixture of species A, B, C, and D: 

Calculate for species B and C the time required (min) to separate the two species on the column with a resolution of 2,5. (three significant figures). It should be done according to the retention time of the most retained component.

6.

OPEN ENDED QUESTION

3 mins • 1 pt

How many times is the resolution affected when doubling the length of the chromatographic column?

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

How can we decrease the theoretical plate height in HPLC? Explain.

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