6.3.1 Chemicals.................................................................................................................................... 47
6.3.2 Reagent tube filling-Induction furnace......................................................................................... 49
6.3.3 Reagent tube filling-Resistance furnace...................................................................................... 52
6.3.4 Oxygen purification furnace quartz tube filling (optional) ............................................................ 54
6.3.5 Halogen trap filling (optional)....................................................................................................... 55
6.4 Paper filter changing........................................................................................................................ 57
6.5 Dust filter cartridge replacing........................................................................................................... 57
6.6 O-rings replacement........................................................................................................................ 58
6.6.1 Replacing the o-rings 11 and 12 for combustion tube:................................................................ 60
6.6.2 Replacing the o-ring 13 for lower furnace lock ............................................................................ 60
6.6.3 Replacing the o-rings for furnace seal......................................................................................... 61
6.7 Furnace cleaning brush - replacing ................................................................................................. 64
6.8 Dust trap cleaning............................................................................................................................ 65
6.8.1 Dust trap cleaning-Induction furnace........................................................................................... 65
6.8.2 Dust trap cleaning-Resistance furnace........................................................................................ 68
6.9 Combustion tube replacement......................................................................................................... 69
6.9.1 Induction furnace ......................................................................................................................... 70
6.9.2 Resistance furnace...................................................................................................................... 72
6.10 Generator tube replacing................................................................................................................. 74
6.11 Combustion coil replacing................................................................................................................ 74
6.12 Pedestal removing........................................................................................................................... 74
6.13 Heating elements replacing............................................................................................................. 75
6.14 Gas leaks checking.......................................................................................................................... 76
6.14.1 Leaks in the furnace inlet system ............................................................................................ 77
6.14.2 Leaks in the furnace ................................................................................................................ 77
6.14.3 Leaks in the furnace outlet system.......................................................................................... 77
7Function description........................................................................................................................... 78
7.1 System overview.............................................................................................................................. 78
7.2 Measuring principle.......................................................................................................................... 78
7.3 Gas flow system .............................................................................................................................. 79
7.4 Infrared cell...................................................................................................................................... 81
7.5 Furnace............................................................................................................................................ 82
7.5.1 Induction furnace ......................................................................................................................... 82
7.5.2 Resistance furnace...................................................................................................................... 83
8Miscellaneous...................................................................................................................................... 85
8.1 Ordering numbers............................................................................................................................ 85
8.1.1 Front side..................................................................................................................................... 85
8.1.2 Left hand side .............................................................................................................................. 86
8.1.3 Right side..................................................................................................................................... 87
8.1.4 Pneumatics.................................................................................................................................. 88
8.1.5 Oscillating circuit.......................................................................................................................... 89
8.1.6 Furnace........................................................................................................................................ 91
8.1.7 Furnace cleaning mechanism...................................................................................................... 93
8.1.8 Gas purification furnace............................................................................................................... 94
8.1.9 Front side and rear side............................................................................................................... 95
8.1.10 Restistance furnace details...................................................................................................... 95
8.1.11 Furnace tube cleaning ............................................................................................................. 97
8.1.12 Tic-module............................................................................................................................... 98
8.2 Packing.......................................................................................................................................... 100
8.3 Pre-installation guide ..................................................................................................................... 103
9Approved methodologies to which Eltra instruments conform................................................... 105
9.1 Inorganic materials (Metals) .......................................................................................................... 105
9.2 Organic materials (Oil, Coal, foodstuffs)........................................................................................ 106
10 Disposal.............................................................................................................................................. 106
11 Index ................................................................................................................................................... 108