Quercetin, a flavonoid found in fruit juice, was quantified by UV-Vis using external calibration. The calibration data is shown in the table below: Concertation (ppm) Abs 0.00 0.005 (s 0.001) 5.00 0.049 10.0 0.094 25.0 0.228 50.0 0.450 75.0 0.641 Use the calibration curve (e.g., "estimated method") to determine the LOD for quercetin. O 0.008 ppm O 0.388 ppm O 0.001 ppm O 1.18 ppm O 0.350 ppm

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Quercetin, a flavonoid found in fruit juice, was quantified by UV-Vis using external calibration. The
calibration data is shown in the table below:
Concertation (ppm)
Abs
0.00
0.005 (s = 0.001)
%3!
5.00
0.049
10.0
0.094
25.0
0.228
50.0
0.450
75.0
0.641
Use the calibration curve (e.g., "estimated method") to determine the LOD for quercetin.
O 0.008 ppm
O 0.388 ppm
O 0.001 ppm
O 1.18 ppm
O 0.350 ppm
Transcribed Image Text:Quercetin, a flavonoid found in fruit juice, was quantified by UV-Vis using external calibration. The calibration data is shown in the table below: Concertation (ppm) Abs 0.00 0.005 (s = 0.001) %3! 5.00 0.049 10.0 0.094 25.0 0.228 50.0 0.450 75.0 0.641 Use the calibration curve (e.g., "estimated method") to determine the LOD for quercetin. O 0.008 ppm O 0.388 ppm O 0.001 ppm O 1.18 ppm O 0.350 ppm
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