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7. Flame Photometer The data shown below are flame photometer reading on a series of sodium standards, ppm Rdg(std) Rdg 2 Rdg
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Answer #1

1. Scatter Plot

RDG Rdg 0 5 10 20 25 30 15 PPM

2. Following are the calculations;

ppm RDG Rdg^2 Rdg^3
0 0 0 0
5 62 3844 238328
10 115 13225 1520875
15 160 25600 4096000
20 200 40000 8000000
25 233 54289 12649337

3. The following are the calculations for the same, using the given formula

ppm RDG Rdg^2 Rdg^3 New PPM
0 0 0 0 -0.00812
5 62 3844 238328 4.875828
10 115 13225 1520875 9.463875
15 160 25600 4096000 13.92331
20 200 40000 8000000 18.49828
25 233 54289 12649337 22.81234

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