Contents
Thermo Scientific xv
End-point response calculation................................................................ 64
Kinetic response calculation..................................................................... 64
Linear method..................................................................................... 65
Linear cut............................................................................................ 65
Blank measurements.................................................................................66
Response check.............................................................................................67
Initial absorbance check........................................................................... 67
Bichromatic net absorbance check for kinetic measurement..................... 67
Blank checks............................................................................................ 67
Kinetic response check for linear and linear-cut methods......................... 68
Kinetic response check for linear-method.................................................68
Kinetic response check for linear cut........................................................68
Reaction rate check.................................................................................. 69
Result calculation......................................................................................... 69
Logarithmic axis.......................................................................................69
Linear calibration..................................................................................... 69
2nd order calibration............................................................................... 69
Point-to-point calibration.........................................................................70
Spline calibration..................................................................................... 70
4-parameter logit and 5-parameter logit...................................................71
Result correction and check......................................................................... 71
Result dilution correction and check........................................................72
Result test limit check..............................................................................72
Result manual dilution correction and critical limit check........................72
Reference ranges.......................................................................................72
Calibration calculation..................................................................................73
Log-axes for calibration............................................................................73
Logarithmic concentration axis............................................................ 73
Logarithmic response axis.................................................................... 73
Predefined calibration...............................................................................73
Bias calibration calculation.......................................................................73
Checking bias calibration.....................................................................74
Linear calibration calculation................................................................... 74
Checking linear calibration.................................................................. 74
Factor calibration calculation................................................................... 75
Checking factor calibration..................................................................76
2nd order calibration calculation..............................................................76
2nd order calibration in water chemistry............................................. 76
Checking 2nd order calibration........................................................... 76
Point-to-point calibration calculation.......................................................77
Checking point-to-point calibration.................................................... 77
Spline calibration calculation................................................................... 78
Checking spline calibration..................................................................79
4-parameter logit calibration calculation.................................................. 79
Checking 4-parameter logit calibration................................................80
5-parameter logit calibration calculation.................................................. 81
Checking 5-parameter logit calibration................................................81
Standard addition.........................................................................................82