Metrohm 746 VA Trace Analyzer - Manual (Page 4)

Table of contents
746 VA Trace Analyzer / 747 VA Stand
III
4 Introduction to the operation
.....................................
4-1
4.1 Preparations ..................................................................................... 4-2
4.1.1 Installation of the 746 VA Trace Analyzer.....................................4-2
4.1.2 Installation of the 747 VA Stand ...................................................4-2
4.1.3 Settings on the "VA TRACE ANALYZER" page ............................4-3
4.1.4 Tests to check the 747 VA Stand.................................................4-6
4.2 Lead determination with standard addition ..................... 4-9
4.2.1 Reagents......................................................................................4-9
4.2.2 Loading the method TESTPb.mth .............................................4-9
4.2.3 Method specifications of the method TESTPb.mth ................4-10
4.2.4 Preparing the sample solution ...................................................4-16
4.2.5 Settings on the "MONITORING" page........................................4-16
4.2.6 Performing the determination ....................................................4-17
4.2.7 Storing the determination...........................................................4-23
4.2.8 Display of the results..................................................................4-25
4.2.9 Display of the curves..................................................................4-27
4.3 Lead determination with calibration curve ..................... 4-29
4.3.1 Reagents and accessories ........................................................4-29
4.3.2 Loading the method CALCRV.mth...........................................4-30
4.3.3 Method specifications of the method CALCRV.mth ................4-31
4.3.4 Recording the calibration curve.................................................4-34
4.3.5 Performing the determination ....................................................4-38
4.4 Lead determination with internal standard .................... 4-42
4.4.1 Reagents and accessories ........................................................4-42
4.4.2 Loading the method INTSTD.mth...........................................4-43
4.4.3 Method specifications of the method INTSTD.mth ................4-43
4.4.4 Recording the calibration curve.................................................4-47
4.4.5 Performing the determination ....................................................4-52
4.5 Basic method for DP polarography .................................... 4-56
4.5.1 Reagents....................................................................................4-56
4.5.2 Loading the method POL.mth..................................................4-56
4.5.3 Method specifications of the method POL.mth .......................4-57
4.5.4 Performing the determination ....................................................4-59
4.6 Basic method for DPASV ......................................................... 4-61
4.6.1 Reagents....................................................................................4-61
4.6.2 Loading the method ASV.mth..................................................4-61
4.6.3 Method specifications of the method ASV.mth .......................4-62
4.6.4 Performing the determination ....................................................4-64