Biology Reference
In-Depth Information
44
Table 2-2. Experimental measurements of hemoglobin saturation with errors (Roughton
et
al
., 1955).
Percentage saturation (error)
Oxygen pressure (mm Hg)
0.306
0.782 (0.05)
1.023 (0.05)
0.408
2.14
11.17 (0.5)
2.943
24.51 (0.5)
3.141
27.68 (0.5)
5.574
68.78 (0.5)
7.349
82.79 (0.5)
10.220
92.72 (0.5)
98.85 (0.05)
29.5
44.2
99.23 (0.05)
One may wonder why they were so meticulous about their errors. Indeed, if
percentage saturation, y, is plotted against oxygen pressure, [O
2
}, as shown
in Fig. 2-6, the error bars are not visible.
Figure 2-6.
Percentage saturation of hemoglobin, y, against oxygen pressure, [O
2
].
