PH CALIBRATION FILE GENERATED ON: 12/29/2025 10:06
AE GDF 2092
MSC 3026
APEX ID NaN

** START CONFIG FILE COPY BLOCK **
Durafet SN = 2092, APEX# NaN
8, number of calibration coefficients
-1.40303, =k0 Pon; -1.40242 =k0 Poff; -1.39859 =k0 HCl
-9.61188e-04,-5.47825e-08,6.43166e-11,-2.65600e-14, =k2(fP)*T
-2.74606e-06, =k3*P^1
-7.86955e-09, =k4*P^2
1.87332e-11, =k5*P^3
-2.01204e-14, =k6*P^4
9.60391e-18, =k7*P^5
-1.64146e-21, =k8*P^6
** END CONFIG FILE COPY BLOCK **

** START pHlog.xlsx COPY BLOCK **
Ptchamber	Ch	PT runs	VrsDrift	k2 f(P) C6	k2 f(P) C5	k2 f(P) C4	k2 f(P) C3	k2 f(P) C2	k2 f(P) C1	k2 f(P) C0	k0(HCl)	R^2	f(P) k8	f(P) k7	f(P) k6	f(P) k5	f(P) k4	f(P) k3	f(P) k2	f(P) k1	f(P) k0	R^2	pH Design	Die	DF#	k0CalDates	k0Soln	k0_pOFF	Stdk0_pOFF	k0_pON	Stdk0_pON
11/27-12/02/2025	E		0.012				-2.65600e-14	6.43166e-11	-5.47825e-08	-9.61188e-04	-1.39859	1.0000			-1.64146e-21	9.60391e-18	-2.01204e-14	1.87332e-11	-7.86955e-09	-2.74606e-06	-1.39852e+00	0.9992	AE GDF		2092	12/23-12/24/2025		-1.40242	6.41581e-05	-1.40303	8.69173e-05
** END pHlog.xlsx COPY BLOCK **


** SUMMARY K2 DATA: **
Durafet SN:	2092	
pH stem mfg:	MBARI	AE GDF
PT Source directory :	\\atlas\chem\DuraFET\CALIBRATION\K2_PTChamber_data\	
PT Source file :	GDF2092_112525_Ch E.csv	
PT test channel :	E	
HCl concentration:	0.01002	Molal
NaCl concentration:	0.00000	Molal
k2 Calibration window:	11/27/2025 10:14	12/02/2025 05:31
Data subset:	ASCENDING	
Vrs drift rate:	0.01158	mV/day
Vk drift rate:	-2.75694	mV/day
Avg std Vk	457.17597	uVolts
Average k2:	-9.7796e-04	V/degC
Std dev k2:	1.7819e-05	V/degC
k2 f(P) c0	-9.6119e-04	
k2 f(P) c1	-5.4783e-08	
k2 f(P) c2	6.4317e-11	
k2 f(P) c3	-2.6560e-14	
k0 HCL:	-1.3986	Volts
Avg Ik:	29164816598.36	nano amps
Std dev Ik:	41139824640.37	nano amps
Avg Ib:	885814890.71	nano amps
Std dev Ib:	230850392.12	nano amps

** PRESSURE BINNED K2 DATA: **
Avg Press	k2	std k2	k0	std k0	R*R	N	Tmin	Tmax
6.9	-9.5898e-04	1.6521e-06	-1.3986	2.1808e-05	1.0000	9	2.0	19.7
14.7	-9.5951e-04	6.6672e-07	-1.3986	8.9567e-06	1.0000	101	2.0	19.7
24.9	-9.6003e-04	8.0299e-07	-1.3986	1.0877e-05	1.0000	55	2.0	19.7
39.4	-9.6109e-04	7.6058e-07	-1.3987	1.0109e-05	1.0000	76	2.0	19.7
62.0	-9.6468e-04	8.8888e-07	-1.3987	1.1839e-05	1.0000	58	2.0	19.7
86.9	-9.6660e-04	1.0816e-06	-1.3988	1.4628e-05	0.9999	53	2.0	19.7
124.2	-9.6876e-04	1.2886e-06	-1.3989	1.7033e-05	0.9999	83	2.0	19.7
174.9	-9.7105e-04	1.2939e-06	-1.3991	1.7309e-05	0.9999	81	2.0	19.7
250.1	-9.7414e-04	1.7023e-06	-1.3994	2.2799e-05	0.9996	142	2.0	19.7
347.8	-9.7823e-04	1.7359e-06	-1.3998	2.3466e-05	0.9996	135	2.0	19.7
449.8	-9.7920e-04	1.7808e-06	-1.4002	2.4062e-05	0.9996	133	2.0	19.7
550.8	-9.8054e-04	1.7853e-06	-1.4006	2.4578e-05	0.9996	128	2.0	19.7
650.0	-9.7757e-04	1.7153e-06	-1.4011	2.3339e-05	0.9996	129	1.9	19.7
750.1	-9.7272e-04	1.6767e-06	-1.4016	2.2224e-05	0.9996	136	1.9	19.7
900.9	-9.6934e-04	2.3126e-06	-1.4022	3.0903e-05	0.9985	261	1.9	19.7
1099.6	-9.7183e-04	2.5337e-06	-1.4031	3.3754e-05	0.9983	256	1.9	19.7
1298.4	-9.8037e-04	3.1228e-06	-1.4040	4.1678e-05	0.9974	254	2.0	19.7
1499.1	-9.9527e-04	1.8313e-06	-1.4047	2.4444e-05	0.9991	254	2.0	19.7
1699.8	-1.0061e-03	1.3179e-06	-1.4051	1.7541e-05	0.9996	250	2.0	19.7
1900.4	-1.0169e-03	8.5383e-07	-1.4053	1.1417e-05	0.9998	250	2.0	19.8
2035.7	-1.0243e-03	8.3274e-07	-1.4053	1.1096e-05	0.9999	84	2.0	19.8

** PH POLYNOMIAL PRESSURE COEFFICIENTS: **
f(P) NSSR:	4.3983e-09	
f(P) R*R:	0.9992	
f(P) c0	-1.3985e+00	
f(P) c1	-2.7461e-06	
f(P) c2	-7.8695e-09	
f(P) c3	1.8733e-11	
f(P) c4	-2.0120e-14	
f(P) c5	9.6039e-18	
f(P) c6	-1.6415e-21	

** KO CALIBRATION SUMMARY: **
MSC # :	3026	
k0 calibration window	12/23/2025 13:40	12/24/2025 20:05
Color pH time offset	7	hours
k0 poly fit	1	
outlier_threshold	4	
Ik outlier count	0	
Ik outlier %	0.00	
Ib outlier count	0	
Ib outlier %	0.00	
k0 Source directory :	\\atlas\chem\DuraFET\CALIBRATION\K0_seawater_data\	

Parameter	Pump ON	Pump OFF	Units
k0 file	MSC3026_DURA_2.dat	MSC3026_DURA.dat	
median k0	-1.4030	-1.4024	Volts
std k0	8.6917e-05	6.4158e-05	Volts
Avg Vk	-1.0140	-1.0139	Volts
Avg std Vk	35.8	36.3	uVolts
median Ik:	7943000000.00	8464000000.00	nano amps
std Ik:	4081402114.70	4444009187.37	nano amps
median Ib:	229000000.00	224000000.00	nano amps
std Ib:	49174249.54	48174774.51	nano amps