Operation a= b= c= Independent? Derived from PC12 -4.0000E-07 3.9158E-02 -1.6961E+00 Partially The 'a' term taken from Agilkia. 'b' and 'c' terms derived from m/z=18 of WGA3 and m/z=44 terms of WGA3 and WGA4. Lutetia -4.0000E-07 3.8037E-02 -9.9389E-01 Partially The 'a' term taken from Agilkia. 'b' and 'c' terms derived from m/z=18 of WGA3 and m/z=44 terms of WGA3 and WGA4. Lutetia -4.0000E-07 3.9279E-02 -1.5408E+00 Partially The 'a' term taken from Agilkia. 'b' and 'c' terms derived from m/z=18 of WGA3 and m/z=44 and 45 terms of WGA3 and WGA4. Lutetia -4.0000E-07 3.9429E-02 -1.7052E+00 Partially The 'a' term taken from Agilkia. 'b' and 'c' terms derived from m/z=18, 19, 28 of WGA3 and m/z=43 and 44 terms of WGA3 and WGA4. Lutetia -4.0000E-07 3.9429E-02 -1.7052E+00 No Taken from Lutetia 3 Lutetia -4.0000E-07 3.9429E-02 -1.7052E+00 No Taken from Lutetia 3 PHC -4.0000E-07 3.9565E-02 -1.9714E+00 Partially The 'a' taken from Agilkia. 'b' and 'c' terms determined using m/z = 15, 17, 18, 19, 44 from WGA3 and m/z = 41 and 44 from WGA4. PDCS1A -4.0000E-07 3.9506E-02 -1.9011E+00 Partially The 'a' taken from Agilkia. 'b' and 'c' terms determined using m/z = 16, 17, 18, from WGA3 and m/z = 44, 44 and 45 from WGA4. PDCS1B -4.0000E-07 3.9506E-02 -1.9011E+00 No Taken from PDCS1A PDCS2A -4.0000E-07 3.9245E-02 -1.5226E+00 Partially The 'a' takern from Agilkia. 'b' and 'c' taken from m/z=18 from WGA3 and m/z=44 from WGA4 PDCS2B -4.0000E-07 3.9427E-02 -1.8325E+00 Partially The 'a' takern from Agilkia. 'b' and 'c' taken from m/z=17, 18, 19, 27, 28, 29, 30, 41, 43, 44 from WGA3 and m/z=40 and 44 from WGA4 PDCS3A -4.0000E-07 3.9506E-02 -1.9011E+00 No Taken from PDCS1A as carrier gas in PDCS2B renders the conditions different PDCS3B -4.0000E-07 3.9506E-02 -1.9011E+00 No Taken from PDCS1A as carrier gas in PDCS2B renders the conditions different PDCS4A -4.0000E-07 3.9506E-02 -1.9011E+00 No Taken from PDCS1A as carrier gas in PDCS2B renders the conditions different PDCS4B -4.0000E-07 3.9506E-02 -1.9011E+00 No Taken from PDCS1A as carrier gas in PDCS2B renders the conditions different Agilkia -3.9500E-07 3.9646E-02 -2.0514E+00 Yes Full calibration using 35 peaks across WGA3 and WGA4 Abydos 1 -4.0000E-07 4.0065E-02 -2.3854E+00 Partially The 'a' taken from Agilkia. 'b' and 'c' terms taken from m/z= 17, 18, 19, 28 and 44 from WGA3, and m/z = 44, 73 and 76 from WGA4 Abydos 2 -4.0000E-07 4.0065E-02 -2.3854E+00 No Taken from Abydos 1 Abydos 3 -4.0000E-07 4.0117E-02 -2.1955E+00 Partially The 'a' taken from Agilkia. 'b' and 'c' terms taken from m/z= 17, 18, 19, and 44 from WGA3, and m/z = 44 from WGA4 Abydos 4 -4.0000E-07 3.9681E-02 -1.9757E+00 Partially The 'a' taken from Agilkia. 'b' and 'c' terms taken from m/z= 18 and 44 from WGA3, and m/z = 44 from WGA4 Abydos 5 -4.0000E-07 3.9418E-02 -1.6869E+00 Partially The 'a' taken from Agilkia. 'b' and 'c' terms taken from m/z= 18 and 44 from WGA3, and m/z = 44 from WGA4 Abydos 6 -4.0000E-07 3.8986E-02 -1.1612E+00 Partially The 'a' taken from Agilkia. 'b' and 'c' terms taken from m/z= 18 and 44 from WGA3, and m/z = 44 from WGA4 Average -3.9975E-07 3.9455E-02 -1.8146E+00 StDev 1.1555E-09 4.1946E-04 3.2919E-01