Hanna Instruments HI 904 - Manual (Page 113)

9-1
METHODS OPTIMIZATION
Chapter 9. Contents
9 OPTIMIZATION ..................................................................................... 9 - 3
9.1 Titrator Settings ................................................................................... 9 - 3
9.1.1 Control Parameters.................................................................................... 9 - 3
9.1.1.1 Endpoint Potential and Polarization Current ........................................................9 - 3
9.1.1.2 Titration Speed ...............................................................................................9 - 4
9.1.1.3 Signal Averaging .............................................................................................. 9 - 4
9.1.2 Termination Parameters .............................................................................. 9 - 5
9.1.2.1 Stability Time ..................................................................................................9 - 5
9.1.2.2 Drift Stop Termination Criteria ...........................................................................9 - 5
9.1.2.2.1 Relative Drift Stop ...................................................................................9 - 5
9.1.2.2.2 Absolute Drift Stop ..................................................................................9 - 6
9.1.3 Method Options .......................................................................................... 9 - 6
9.1.3.1 Pre-Analysis Stir Time ...................................................................................... 9 - 6
9.1.3.2 Stirring Speed ..................................................................................................9 - 6
9.1.3.3 Background Drift Rate Entry .............................................................................9 - 6
9.2 The Sample ........................................................................................... 9 - 7
9.2.1 Proper Sampling Procedure ......................................................................... 9 - 7
9.2.2 Determining the Optimal Sample Size .......................................................... 9 - 7
9.2.3 Solid Samples............................................................................................. 9 - 7
9.2.4 Liquid Samples ........................................................................................ 9 - 8