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Page 8 of 25 SPEX SamplePrep LLC 9.24.07
4.4 Grinding Vial Sizes, Adapters, and Vial Openers.
Large vials (6801, 6871) are run one at a time in the 6870 Freezer/Mill, without any adapter.
Large vials are opened by the 6804 Extractor/Vial Opener, which is part of the 6870L Accessory
Package.
Mid-Size vials (6881, 6883, 6885) are run one at a time, but the 6886 Mid-Size Adapter must be
placed in the coil first, to center and align any Mid-Size vial. Mid-Size vials can be opened by
the 6804 Extractor/Vial Opener, but only by installing the 6884 Mid-Size Vial Adapter for the
6804. The 6884 and 6886 Adapters comprise the 6870M Accessory Package.
Most Small vials (6751, 6761, 6771) can be run one, two, three, or four at a time in the 6870
Freezer/Mill. However, they must be used in conjunction with the 6806 Multi-Vial Adapter, an
X-shaped insert for the coil. The 6806 Adapter keeps the vials parallel to each other and the coil,
so each impactor moves back and forth in line with the magnetic field. Also, if a small vial were
to be positioned diagonally inside the coil, the gate could not be properly tightened against the
vial, and an end plug might work its way out of the vial during grinding. When running Small
vials, make sure the coil gate contacts the end plug of every vial. If the gate needs adjustment to
do this, the bottom or pivot end of the gate can be moved toward or away from the coil housing
by turning the gate clockwise or counterclockwise on its mounting bolt.
Unlike other Small vials, the 6753 Microvial Set is run one at a time with the 6806 Adapter.
Each 6753 set includes three 6753V Microvials. If more than one 6753 Microvial Set is placed
in a 6870 Freezer/Mill, some of the individual Microvials will be shielded from the magnetic
field, and grinding in those vials can be ineffective.