pHfit V 2.2
pH Calibration TimeStamp: 2022-04-03T20:23:49
SBE18/27 pH serial number: 1401
Field Calibration done prior to SKQ202205S OOI Endurance Cruise temp 17.1 F

t = 290.250000
a = 0.000000
b = 7.656900
c = 4.882800
d = 18.000000
deter = 54.000000
slope = 0.271267
offset = 2.552300
final slope = 4.710289

pHslope = 4.7103
pHoffset = 2.5523

residuals:
    pH       Vout       res
   4.00      1.734      0.017
   7.00      2.562     -0.035
  10.00      3.361      0.017