

Ref. No. [UMCES] CBL 2015-013
ACT VS15-06
A cross-plot of the matched observations is given in figure 13. A linear regression was
statistically significant (p<0.001, r
2
=0.87) with a slope of 0.954. The SAI-pH under-predicted
pH for 84 of the observations and over-predicted for 17 of the observations.
Figure 13.
HIMB field response plot of a SAMI-pH(mCP) instrument compared to reference pH
Total
samples. Fine dotted line represents 1:1 correspondence, as pH
Total
scale is reported by the SAMI-pH
instrument and the dye reference method.
34