PH CALIBRATION FILE GENERATED ON: 12/29/2025 10:23
AE GDF 2099
MSC 3025
APEX ID NaN

** START CONFIG FILE COPY BLOCK **
Durafet SN = 2099, APEX# NaN
8, number of calibration coefficients
-1.49576, =k0 Pon; -1.49572 =k0 Poff; -1.49578 =k0 HCl
-9.11341e-04,-4.91417e-08,5.68553e-11,-2.32626e-14, =k2(fP)*T
-7.03498e-06, =k3*P^1
1.34115e-08, =k4*P^2
-2.56549e-11, =k5*P^3
2.06337e-14, =k6*P^4
-7.45437e-18, =k7*P^5
1.02317e-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	A		0.087				-2.32626e-14	5.68553e-11	-4.91417e-08	-9.11341e-04	-1.49578	0.9998			1.02317e-21	-7.45437e-18	2.06337e-14	-2.56549e-11	1.34115e-08	-7.03498e-06	-1.49560e+00	0.9992	AE GDF		2099	12/23-12/24/2025		-1.49572	5.49108e-05	-1.49576	4.70460e-05
** END pHlog.xlsx COPY BLOCK **


** SUMMARY K2 DATA: **
Durafet SN:	2099	
pH stem mfg:	MBARI	AE GDF
PT Source directory :	\\atlas\chem\DuraFET\CALIBRATION\K2_PTChamber_data\	
PT Source file :	GDF2099_112525_Ch A.csv	
PT test channel :	A	
HCl concentration:	0.01002	Molal
NaCl concentration:	0.70149	Molal
k2 Calibration window:	11/27/2025 09:08	12/02/2025 03:34
Data subset:	ASCENDING	
Vrs drift rate:	0.08749	mV/day
Vk drift rate:	-5.92386	mV/day
Avg std Vk	26.42466	uVolts
Average k2:	-9.2635e-04	V/degC
Std dev k2:	1.5479e-05	V/degC
k2 f(P) c0	-9.1134e-04	
k2 f(P) c1	-4.9142e-08	
k2 f(P) c2	5.6855e-11	
k2 f(P) c3	-2.3263e-14	
k0 HCL:	-1.4958	Volts
Avg Ik:	-72182821505.38	nano amps
Std dev Ik:	4550807558.84	nano amps
Avg Ib:	-978616344.09	nano amps
Std dev Ib:	167053295.96	nano amps

** PRESSURE BINNED K2 DATA: **
Avg Press	k2	std k2	k0	std k0	R*R	N	Tmin	Tmax
6.9	-9.0863e-04	5.0294e-06	-1.4958	6.7879e-05	0.9998	9	2.4	20.1
14.7	-9.0955e-04	2.0252e-06	-1.4958	2.9427e-05	0.9998	43	2.4	20.1
25.3	-9.1055e-04	2.5955e-06	-1.4958	3.5153e-05	0.9998	24	2.4	20.1
39.7	-9.1158e-04	1.9021e-06	-1.4959	2.7002e-05	0.9998	38	2.4	20.1
62.1	-9.1420e-04	2.1417e-06	-1.4960	2.8733e-05	0.9998	37	2.4	20.1
87.7	-9.1575e-04	1.9593e-06	-1.4961	2.6867e-05	0.9998	37	2.4	20.1
126.0	-9.1842e-04	2.0632e-06	-1.4963	2.8100e-05	0.9997	64	2.4	20.1
175.8	-9.2213e-04	1.9764e-06	-1.4965	2.7067e-05	0.9997	60	2.4	20.1
249.9	-9.2601e-04	2.1826e-06	-1.4968	2.9585e-05	0.9994	117	2.4	20.1
350.4	-9.2695e-04	2.2277e-06	-1.4972	3.0484e-05	0.9994	112	2.4	20.1
450.0	-9.2610e-04	2.0949e-06	-1.4977	2.8531e-05	0.9994	112	2.4	20.1
548.4	-9.2486e-04	2.3063e-06	-1.4982	3.1522e-05	0.9993	109	2.4	20.1
649.9	-9.2265e-04	2.5450e-06	-1.4987	3.4158e-05	0.9991	116	2.4	20.1
752.2	-9.2032e-04	2.4583e-06	-1.4993	3.3666e-05	0.9992	108	2.4	20.1
901.7	-9.2219e-04	3.7248e-06	-1.5001	5.0985e-05	0.9966	213	2.4	20.1
1100.1	-9.2762e-04	3.5379e-06	-1.5013	4.8038e-05	0.9970	211	2.4	20.1
1299.7	-9.3090e-04	2.8312e-06	-1.5023	3.8499e-05	0.9981	212	2.4	20.1
1499.0	-9.3850e-04	2.4423e-06	-1.5030	3.3328e-05	0.9986	211	2.4	20.1
1698.9	-9.4751e-04	2.2001e-06	-1.5036	2.9892e-05	0.9989	213	2.4	20.1
1899.4	-9.5995e-04	1.6938e-06	-1.5041	2.3038e-05	0.9994	206	2.5	20.1
2034.7	-9.6890e-04	1.6243e-06	-1.5042	2.2121e-05	0.9998	73	2.5	20.1

** PH POLYNOMIAL PRESSURE COEFFICIENTS: **
f(P) NSSR:	6.7297e-09	
f(P) R*R:	0.9992	
f(P) c0	-1.4956e+00	
f(P) c1	-7.0350e-06	
f(P) c2	1.3412e-08	
f(P) c3	-2.5655e-11	
f(P) c4	2.0634e-14	
f(P) c5	-7.4544e-18	
f(P) c6	1.0232e-21	

** KO CALIBRATION SUMMARY: **
MSC # :	3025	
k0 calibration window	12/23/2025 13:41	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	MSC3025_DURA_2.dat	MSC3025_DURA.dat	
median k0	-1.4958	-1.4957	Volts
std k0	4.7046e-05	5.4911e-05	Volts
Avg Vk	-1.0532	-1.0532	Volts
Avg std Vk	57.8	56.7	uVolts
median Ik:	22477000000.00	22493000000.00	nano amps
std Ik:	7541898317.87	7480434069.97	nano amps
median Ib:	570000000.00	572000000.00	nano amps
std Ib:	52892267.41	53102537.48	nano amps