Question 33 use the following standard chromatogram of caffeine: 80 I mg/L 5 mg/L 10 mg/L 20 mg/L 30 mg/L 40 mg/L 50 mg/L 60 40 20s 20 Concentration (mg/L) 7.0 7.5 8.0 8.5 9.0 Retention Time (min) Which of the following statements best describe the chromatogram? Multiple runs of caffeine prepared at different concentrations. One run of a mixture of caffeine prepared at different concentrations. One run of caffeine prepared at different conditions, injected at different times. O Multiple runs of a mixture of caffeine prepared at different concentrations. Intensity (mV)
Question 33 use the following standard chromatogram of caffeine: 80 I mg/L 5 mg/L 10 mg/L 20 mg/L 30 mg/L 40 mg/L 50 mg/L 60 40 20s 20 Concentration (mg/L) 7.0 7.5 8.0 8.5 9.0 Retention Time (min) Which of the following statements best describe the chromatogram? Multiple runs of caffeine prepared at different concentrations. One run of a mixture of caffeine prepared at different concentrations. One run of caffeine prepared at different conditions, injected at different times. O Multiple runs of a mixture of caffeine prepared at different concentrations. Intensity (mV)
Chapter7: Statistical Data Treatment And Evaluation
Section: Chapter Questions
Problem 7.25QAP
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![Question 33
use the following standard chromatogram of caffeine:
80
I mg/L
5 mg/L
10 mg/L
20 mg/L
30 mg/L
40 mg/L
50 mg/L
60
6.0e5
4.0e5
20es
bo
10
20
30
20
Concentration (mg/L)
7.0
7.5
8.0
8.5
9.0
Retention Time (min)
Which of the following statements best describe the chromatogram?
Multiple runs of caffeine prepared at different concentrations.
One run of a mixture of caffeine prepared at different concentrations.
One run of caffeine prepared at different conditions, injected at different times.
Multiple runs of a mixture of caffeine prepared at different concentrations.
Intensity (mV)
Area](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc12643e0-afea-4a47-a780-5149545900d2%2F4d1a730d-4a04-4112-b419-a1910e4c1bda%2Fz7ytmvh_processed.png&w=3840&q=75)
Transcribed Image Text:Question 33
use the following standard chromatogram of caffeine:
80
I mg/L
5 mg/L
10 mg/L
20 mg/L
30 mg/L
40 mg/L
50 mg/L
60
6.0e5
4.0e5
20es
bo
10
20
30
20
Concentration (mg/L)
7.0
7.5
8.0
8.5
9.0
Retention Time (min)
Which of the following statements best describe the chromatogram?
Multiple runs of caffeine prepared at different concentrations.
One run of a mixture of caffeine prepared at different concentrations.
One run of caffeine prepared at different conditions, injected at different times.
Multiple runs of a mixture of caffeine prepared at different concentrations.
Intensity (mV)
Area
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