Skip to main content
. 2014 Dec 16;14:204. doi: 10.1186/1471-2466-14-204

Table 2.

In vitro CO measures (ppm) provided by B&K and PiCO+ on four standards

Standard B&K PiCO+ P
5 ppm 5.1 (0.1) 6.7 (0.4) <0.01
9.9 ppm 10.00 (0.1) 12.0 (0.9) <0.05
20 ppm 19.00 (0.1) 18.5 (0.6) 0.59
50 ppm 47.9 (0.2) 47.0 (1.0) 0.28

Means (standard deviations) of three values are reported.