OMA Protocol Review: OMAMAN-56 Sulfites in Shrimp
Full range
Full range residual plot
400
5
y = 0.9578x + 0.1473 R² = 0.99778
200
0
0 50 100 150 200 250 300
-5
0
Residual
0
100
200
300
400
-10
Sodium Sulfite Concentration (ppm)
Biofish Result (ppm)
Sodium Sulfite Concentration (ppm)
Figure 2. Linearity and residual plots for the full range of standards examined.
Claimed Range 30-150
Claimed range 30-150 ppm residual plot
y = 1.0082x - 2.8026 R² = 0.99792
100 150 200
-1 -0.5 0 0.5
0 50
0
50
100
150
200
Residual
0
50
100
150
200
Biofish Result (ppm)
Sodium Sulfite Concentration (ppm)
Sodium Sulfite Concentration (ppm)
Figure 3. Linearity and residual plots for the claimed range of calibration (30-150 ppm)
Full Range
Full range residual plot
y = 0.8971x + 3.5732 R² = 0.99733
0 200 400 600
20
10
0
Residual
0
200
400
600
800
0
200
400
600
800
-10
Sodium Sulfite Concentration (ppm)
Biofish Result (ppm)
Sodium Sulfite Concentration (ppm)
Figure 4. Linearity and residual plots for the full
range of standards examined.
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