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The round bottom quartz digestion vessel allows the analyst to place the vessel directly onto the balance for weighing samples with the tube
support supplied. Once weighed, the digestion media may be added. The 75 ml vessel is calibrated at 45 ml for quick addition of the sample
and 50 ml for acid addition as per EPA 3015. The 50 ml vessel is calibrated at 50 ml for normalization after the digestion. The calibrations are
to Class A specific/- 0.25 ml.
Never use a quartz digestion vessel
which appears cracked or damaged.
After weighing the sample in a quartz vessel and adding acid, place the PTFE Fluoropo-
lymer cap on top of the vessel. The Fluoropolymer cap seals on the intersection of the
quartz vessel and tapered edges of the PTFE cap. The PTFE cap is held into place when
the Safety Pressure Cap is screwed into place.
Place the vessels in the ‘Transfer Rack’ (010-600-038).
Place a Fluoropolymer liner in each vessel cap prior to placing the
Safety Pressure Plate on top of the rack.
Push the locking mechanism as shown in the picture below. If the
locking mechanism does not pop into place, unscrew each of the Safety Pres-
sure Caps a ½ turn and try to re-lock the safety pressure plate.
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Racks & Vessels
NOTE
The Transfer Rack only fits one way. The positions (1 through
12) are marked on the rack. Insert the Transer Rack into the
appropriate size instrument rack, i.e., 50 ml vessels in a 50
ml rack etc.
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