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Cu Absorbance Absorbance Absorbance Mean ± SD standard 1 2 3 (рpm) 1 0.0521 0.0520 0.0522 0.0521 + 0.0001 2 0.1011 0.1012 0.1013 0.1012 + 0.0001 3 0.1576 0.1578 0.1577 0.1577 + 0.0001 4 0.2119 0.2120 0.2121 0.212 + 0.0001 5 0.2688 0.2681 0.2685 0.268466667 ± 0.003032 Unknown Absorbance Absorbance Absorbance Mean + SD sample 1 2 3 Water 0.1649 0.1648 0.1701 0.1666 + 0.003032 sample 1 (1:10 dilution) Cr Absorbance Absorbance 2 Absorbance 3 Mean + SD standard (рpm) 1 0.0419 0.0425 0.0420 0.042133333 + 0.000321 2 0.0778 0.0780 0.0779 0.0779 + 0.0001 3 0.1040 0.1043 0.1041 0.104133333 ± 0.000153 4 0.1368 0.1369 0.1372 0.136966667 ± 0.000208 5 0.1646 0.1647 0.1649 0.164733333 + 0.000153 Unknown Absorbance Absorbance 2 Absorbance 3 Mean + SD sample Tap Water sample 1 (1:20 dilution) 1 0.0488 0.0489 0.0501 0.049266667 + 0.000723

Cu Absorbance Absorbance Absorbance Mean ± SD standard 1 2 3 (рpm) 1 0.0521 0.0520 0.0522 0.0521 + 0.0001 2 0.1011 0.1012 0.1013 0.1012 + 0.0001 3 0.1576 0.1578 0.1577 0.1577 + 0.0001 4 0.2119 0.2120 0.2121 0.212 + 0.0001 5 0.2688 0.2681 0.2685 0.268466667 ± 0.003032 Unknown Absorbance Absorbance Absorbance Mean + SD sample 1 2 3 Water 0.1649 0.1648 0.1701 0.1666 + 0.003032 sample 1 (1:10 dilution) Cr Absorbance Absorbance 2 Absorbance 3 Mean + SD standard (рpm) 1 0.0419 0.0425 0.0420 0.042133333 + 0.000321 2 0.0778 0.0780 0.0779 0.0779 + 0.0001 3 0.1040 0.1043 0.1041 0.104133333 ± 0.000153 4 0.1368 0.1369 0.1372 0.136966667 ± 0.000208 5 0.1646 0.1647 0.1649 0.164733333 + 0.000153 Unknown Absorbance Absorbance 2 Absorbance 3 Mean + SD sample Tap Water sample 1 (1:20 dilution) 1 0.0488 0.0489 0.0501 0.049266667 + 0.000723

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Construct and evaluate the calibration curve by plotting absorbance versus concentration.

Cu Absorbance Absorbance Absorbance Mean + SD standard 1 2 3 (ppm) 1 0.0521 0.0520 0.0522 0.0521 + 0.0001 2 0.1011 0.1012 0.1013 0.1012 + 0.0001 3 0.1576 0.1578 0.1577 0.1577 + 0.0001 4 0.2119 0.2120 0.2121 0.212 + 0.0001 5 0.2688 0.2681 0.2685 0.268466667 ± 0.003032 Unknown Absorbance Absorbance Absorbance Mean + SD sample 2 3 Water 0.1649 0.1648 0.1701 0.1666 + 0.003032 sample 1 (1:10 dilution) Cr Absorbance Absorbance 2 Absorbance 3 Mean + SD standard 1 (ppm) 1 0.0419 0.0425 0.0420 0.042133333 ± 0.000321 0.0778 0.0780 0.0779 0.0779 +0.0001 3 0.1040 0.1043 0.1041 0.104133333 ± 0.000153 4 0.1368 0.1369 0.1372 0.136966667 ± 0.000208 5 0.1646 0.1647 0.1649 0.164733333 + 0.000153 Unknown Absorbance Absorbance 2 Absorbance 3 Mean + SD sample Tap Water sample 1 (1:20 dilution) 1 0.0488 0.0489 0.0501 0.049266667 ± 0.000723
Transcribed Image Text:Cu Absorbance Absorbance Absorbance Mean + SD standard 1 2 3 (ppm) 1 0.0521 0.0520 0.0522 0.0521 + 0.0001 2 0.1011 0.1012 0.1013 0.1012 + 0.0001 3 0.1576 0.1578 0.1577 0.1577 + 0.0001 4 0.2119 0.2120 0.2121 0.212 + 0.0001 5 0.2688 0.2681 0.2685 0.268466667 ± 0.003032 Unknown Absorbance Absorbance Absorbance Mean + SD sample 2 3 Water 0.1649 0.1648 0.1701 0.1666 + 0.003032 sample 1 (1:10 dilution) Cr Absorbance Absorbance 2 Absorbance 3 Mean + SD standard 1 (ppm) 1 0.0419 0.0425 0.0420 0.042133333 ± 0.000321 0.0778 0.0780 0.0779 0.0779 +0.0001 3 0.1040 0.1043 0.1041 0.104133333 ± 0.000153 4 0.1368 0.1369 0.1372 0.136966667 ± 0.000208 5 0.1646 0.1647 0.1649 0.164733333 + 0.000153 Unknown Absorbance Absorbance 2 Absorbance 3 Mean + SD sample Tap Water sample 1 (1:20 dilution) 1 0.0488 0.0489 0.0501 0.049266667 ± 0.000723
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