The status of the platinumware when preparing beads
has got a great influence in the final result of the
analisys by XRF. Apart from improving and facilitating
the timings for sample preparation. Equilab presents
their EQ-PUL Polishing Unit, specially designed to firmly
hold the different pieces for grinding and polishing. This
unit can apply up to 8 selectable turning speeds. It is a
small device, easy to use and very versatile.
The proper care and maintenance of the platinumware in the fusion process
is of utmost importance, first because the high cost of these pieces and also
because of their influence in the analytical results. From an analytical point of
view, it is important to know that the small scratches and lines – deriving from
the wear and tear – in the molds can increase the possibility of misreadings
by the XRF unit, as these imperfections are imprinted in the surface of the
bead. From an operative point of view, the proper maintenance of our pieces
does affect directly the sample preparation times, also facilitating the removal
of the beads and the complete discharge of the molten sample within the
crucible. From a financial point of view, to take good care of
the platinumware may extend the useful life of the pieces to
double or even treble the time.
Until now, the polishing techniques resulted too arduous and
requested specialized staff. The EQ-PUL is specially designed to
maintain the planiumware in the best conditions without the need of
highly qualified technicians. This polishing unit is compact and easy
to manage. It includes a holding device to secure it firmly to any working
station. The EQ-PUL is controlled by a microprocessor and has got up to 8
working speeds. This feature enables operations when it is necessary to apply a
stronger abrasion as well as those where the process is very delicate.
The unit comprises two modules. From the lower one the features of the
units are controlled. The upper module is independent and is fixed onto an
axis, therefore it can be moved to work in an horizontal position, maintain it
upright, or hold it in intermediate positions. This option allows for changing
the position of the working area to access each piece comfortably.
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