Contents
xiv Thermo Scientific
Printing test parameters................................................................................24
Deleting tests................................................................................................25
Test parameter settings.................................................................................25
General parameters...................................................................................26
Parameters for dilution.............................................................................29
Parameters for limits................................................................................ 31
Parameters for reflex test..........................................................................33
Parameters for calibration........................................................................ 34
Parameters for quality control..................................................................36
Quality control rules............................................................................38
Defining test flow.........................................................................................42
Common parameters................................................................................42
Reagent.....................................................................................................43
Sample......................................................................................................44
Incubation................................................................................................44
End-point.................................................................................................44
Kinetic......................................................................................................45
System water............................................................................................ 46
Standard addition.....................................................................................46
Standard addition parameters.............................................................. 47
End-point measurement parameters.....................................................48
Restrictions.......................................................................................... 48
Managing test profiles.................................................................................. 48
Chapter 10 Photometric measurement.................................................................................... 51
Operational principle....................................................................................51
Photometer................................................................................................... 52
Response calculation.....................................................................................53
Absorbance...............................................................................................53
End-point response calculation................................................................ 54
Kinetic response calculation..................................................................... 54
Linear method..................................................................................... 55
Linear cut............................................................................................ 55
Blank measurements.................................................................................56
Response check.............................................................................................57
Initial absorbance check........................................................................... 57
Bichromatic net absorbance check for kinetic measurement..................... 57
Blank checks............................................................................................ 57
Kinetic response check for linear and linear-cut methods......................... 58
Kinetic response check for linear-method.................................................58
Kinetic response check for linear cut........................................................58
Reaction rate check.................................................................................. 59
Result calculation......................................................................................... 59
Logarithmic axis.......................................................................................59
Linear calibration..................................................................................... 59
2nd order calibration............................................................................... 59
Point-to-point calibration.........................................................................60
Spline calibration..................................................................................... 60