Katanax K2 Prime, Руководство пользователя

Страница: 31 / 93

29
Mold
installation
After the crucibles have been installed, one must place a mold in line with each
crucible, on the horizontal mold tabs.
IMPORTANT : Forgetting to install the molds will cause the crucibles to pour the
hot molten glass onto the instrument. In such case, a cavity is designed to
receive the hot melt without damage, but sample will be lost.
A general
fusion
Here are the steps required to perform a fusion on the K2 Prime fluxer.
1. Turn the instrument on by flipping the rocker switch at the back of the
instrument. The main screen appears and the platinumware holders are
automatically pulled out of the furnace. Furnace heating is automatically
turned on, to reach the stand-by temperature.
2. Check crucible and mold holders for possible flux spills from a previous fusion.
(See page 54, Flux spillage on holders for details.) If holders look vitreous and
dirty, clean the holders immediately; do not start a fusion process with dirty
holders, as this could damage the instrument.
3. Select the desired fusion program, by clicking on the left and right arrows that
flank the current program name.
4. In the platinum crucibles, weigh the required amount of flux.
5. Add the sample by weighing it directly into the crucibles on top of the flux. Mix
if no solid oxidizer is to be used and the sample is low in carbonates.
6. Prepare solid oxidation, if required.
6.1 Add a suitable solid oxidizer (generally, a nitrate or carbonate) in the
crucibles.
Mold
Mold tab