PH CALIBRATION FILE GENERATED ON: 12/17/2025 11:11
AE GDF 2080
MSC 3028
APEX ID NaN

** START CONFIG FILE COPY BLOCK **
Durafet SN = 2080, APEX# NaN
10, number of calibration coefficients
-1.28824, =k0 Pon; -1.28822 =k0 Poff; -1.28539 =k0 HCl
-9.13351e-04,-2.33330e-08,3.66001e-11,-1.40733e-14, =k2(fP)*T
-2.71008e-05, =k3*P^1
5.37383e-08, =k4*P^2
-5.47654e-11, =k5*P^3
5.88278e-16, =k6*P^4
5.34852e-17, =k7*P^5
-5.12585e-20, =k8*P^6
2.01166e-23, =k9*P^7
-2.92797e-27, =k10*P^8
** 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
11/21-11/23/2025	A		-0.026				-1.40733e-14	3.66001e-11	-2.33330e-08	-9.13351e-04	-1.28539	1.0000	-2.92797e-27	2.01166e-23	-5.12585e-20	5.34852e-17	5.88278e-16	-5.47654e-11	5.37383e-08	-2.71008e-05	-1.28510e+00	0.9997	AE GDF		2080	12/16-12/17/2025		-1.28822	6.08016e-05	-1.28824	5.91731e-05
** END pHlog.xlsx COPY BLOCK **


** SUMMARY K2 DATA: **
Durafet SN:	2080	
pH stem mfg:	MBARI	AE GDF
PT Source directory :	\\atlas\chem\DuraFET\CALIBRATION\K2_PTChamber_data\	
PT Source file :	GDF2080_111825_Ch A.csv	
PT test channel :	A	
HCl concentration:	0.01002	Molal
NaCl concentration:	0.70264	Molal
k2 Calibration window:	11/21/2025 04:31	11/23/2025 22:36
Data subset:	ASCENDING	
Vrs drift rate:	-0.02632	mV/day
Vk drift rate:	-4.89766	mV/day
Avg std Vk	26.35958	uVolts
Average k2:	-9.1625e-04	V/degC
Std dev k2:	3.6390e-06	V/degC
k2 f(P) c0	-9.1335e-04	
k2 f(P) c1	-2.3333e-08	
k2 f(P) c2	3.6600e-11	
k2 f(P) c3	-1.4073e-14	
k0 HCL:	-1.2854	Volts
Avg Ik:	-86283245418.85	nano amps
Std dev Ik:	6379214881.95	nano amps
Avg Ib:	-1084242146.60	nano amps
Std dev Ib:	109814180.15	nano amps

** PRESSURE BINNED K2 DATA: **
Avg Press	k2	std k2	k0	std k0	R*R	N	Tmin	Tmax
6.9	-9.1146e-04	2.6777e-06	-1.2854	3.5070e-05	1.0000	6	2.5	20.1
14.8	-9.1230e-04	2.5200e-06	-1.2855	3.3002e-05	0.9999	21	2.5	20.1
24.9	-9.1325e-04	3.3395e-06	-1.2857	4.3080e-05	0.9999	13	2.5	20.1
39.1	-9.1331e-04	3.8391e-06	-1.2861	4.9163e-05	0.9996	22	2.5	20.1
61.5	-9.1416e-04	4.7718e-06	-1.2866	6.2489e-05	0.9994	24	2.5	20.1
87.4	-9.1596e-04	4.6922e-06	-1.2871	6.2718e-05	0.9994	23	2.5	20.1
125.2	-9.1966e-04	5.4939e-06	-1.2877	7.0746e-05	0.9986	41	2.5	20.1
174.2	-9.1843e-04	4.2780e-06	-1.2885	5.6300e-05	0.9992	38	2.5	20.1
249.0	-9.1836e-04	4.5530e-06	-1.2893	5.9616e-05	0.9981	78	2.5	20.1
349.6	-9.1776e-04	3.2821e-06	-1.2901	4.2309e-05	0.9991	75	2.5	20.1
449.6	-9.1702e-04	2.7026e-06	-1.2907	3.4836e-05	0.9994	75	2.5	20.1
548.5	-9.1631e-04	2.3713e-06	-1.2913	3.1049e-05	0.9995	72	2.5	20.1
648.4	-9.1705e-04	2.1302e-06	-1.2917	2.7457e-05	0.9996	75	2.5	20.1
748.8	-9.1631e-04	1.9870e-06	-1.2921	2.6015e-05	0.9997	72	2.5	20.1
898.9	-9.1218e-04	3.1299e-06	-1.2928	4.0787e-05	0.9983	146	2.5	20.1
1100.7	-9.1299e-04	2.9016e-06	-1.2937	3.7914e-05	0.9986	144	2.5	20.1
1301.2	-9.1427e-04	3.7119e-06	-1.2946	4.8199e-05	0.9977	141	2.5	20.1
1501.4	-9.1513e-04	3.9527e-06	-1.2957	5.1327e-05	0.9974	141	2.5	20.1
1699.8	-9.1573e-04	2.1408e-06	-1.2967	2.8110e-05	0.9993	136	2.5	20.1
1900.4	-9.2226e-04	6.7057e-07	-1.2968	8.6447e-06	0.9999	137	2.5	20.1
2035.1	-9.2740e-04	1.1290e-06	-1.2967	1.4793e-05	0.9999	48	2.5	20.1

** PH POLYNOMIAL PRESSURE COEFFICIENTS: **
f(P) NSSR:	3.0557e-09	
f(P) R*R:	0.9997	
f(P) c0	-1.2851e+00	
f(P) c1	-2.7101e-05	
f(P) c2	5.3738e-08	
f(P) c3	-5.4765e-11	
f(P) c4	5.8828e-16	
f(P) c5	5.3485e-17	
f(P) c6	-5.1258e-20	
f(P) c7	2.0117e-23	
f(P) c8	-2.9280e-27	

** KO CALIBRATION SUMMARY: **
MSC # :	3028	
k0 calibration window	12/16/2025 16:03	12/17/2025 17:03
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	MSC3028_DURA_2.dat	MSC3028_DURA.dat	
median k0	-1.2882	-1.2882	Volts
std k0	5.9173e-05	6.0802e-05	Volts
Avg Vk	-0.7478	-0.7477	Volts
Avg std Vk	22.9	22.7	uVolts
median Ik:	-12362000000.00	-11393500000.00	nano amps
std Ik:	2512478189.21	2598700876.98	nano amps
median Ib:	-57000000.00	-55000000.00	nano amps
std Ib:	155571333.48	156213165.12	nano amps