Preferably, prior to the application of the method of calibrating and the method of determining calibration coefficients of the present invention, {HEAD ~ a calibration} of the test system is performed using {TAIL ~ conventional known calibration standards} and according to procedures provided by the manufacturer of the test system 
Preferably , prior to the application of the method of calibrating and the method of determining calibration coefficients of the present invention , { HEAD ~ a calibration } of the test system is performed using { TAIL ~ conventional known calibration standards } and according to procedures provided by the manufacturer of the test system
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH