Fig. 1: Installing the reagent tubes
The reagent tubes are first lifted and then swung to one side, detached diagonally downwards
and emptied.
Remark
The dimensions for filling the glass tubes given in the schematics of chapter ”Reagent tubes
filling” should be respected in all cases.
When, for example, there is a rest of quartz wool in the bottom of the glass tube, it is possible
that dust, forming magnesium perchlorate can fall through and block the fitting below or this can
damage the analyser and the infrared cell.
Remark
Before the reagent tubes are fitted, both, the O-rings and the inner ends of the tubes are
lubricated with high vacuum silicon grease.
The components are refitted in reverse order.
NOTICE
The dimensions for filling the glass tubes should be respected in all cases to secure proper
analyzing and to avoid any damages of the device (see chapter filling quantities). When there is
not enough glass wool in the lower end of the glass tube, it is possible that dust of magnesium
perchlorate can fall through and block the fitting below. This can damage the analyzer and the
infrared cell.
Also with the right hand glass tube (moisture trap after the furnace outlet), one must pay special
attention that enough magnesium perchlorate is available. Otherwise, water vapor can
condense on the inside free glass wall before it reaches the magnesium perchlorate.
NOTICE
Before the reagent tubes are fitted, the O-rings and the inner ends of the tubes should be
lubricated with high vacuum silicon grease.
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