2002 by ELTRA GmbH Germany – January 2002 – Service Manual OH 900 / ON 900 / ONH 2000
1.22-1
1.22 The samples make bubbles:
It depends on the material and on the quality of accellerators. One of our customers who
used to analyse titanium without problems, suddenly got the problem that the metal in the
crucible was building a bubble. The bubble climbed up to the top of the crucible and the
metal was sticking on the upper electrode insert after opening the furnace. The reason
was a new quality of nickel baskets. They were softer than his previous ones. This
indicated that the quality was different. After using baskets of the previous quality, the
problem was solved.
Metal bubble
Graphite
crucible
12-1
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