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GC&LC consumable products > Capillary Columns > 007-65HT and 400-65HT, (65% PHENYL) METHYLPOLYSILOXANE
007-65HT and 400-65HT, (65% PHENYL) METHYLPOLYSILOXANE
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The 007-65HT and 400-65HT phases represent a (65% phenyl) methylpolysiloxane phase composition. They are a companion phase to the 007-17 (50% phenyl methylpolysiloxane), but the additional 15% phenyl substitution provides greater selectivity toward compounds exhibiting induced dipole effects.
 
Details:
This enhanced selectivity is most evident in the analysis of triglycerides where the resolution is "fine tuned" over that of the 50% phenyl substitution.
The 007-65HT is a bonded phase which possesses excellent thermal stability and hence can be used routinely for high temperature analyses. The 400-65HT is the identical to the 007-65HT but is offered on aluminum-clad tubing.  Since the polyimide outer coating on standard columns begins to degrade at 380-400°C, the aluminum-clad tubing offers slightly longer column lifetime if the column is intended to be used at the elevated temperatures.
Columns coated with the 007-65HT/400-65HT phase type are ideal for the analysis of biofuel/biodiesel total glycerin and methyl esters under ASTM Method D6584-00.
Bonded and crosslinked
Excellent thermal stability
Moderately polar
Similar phases: Rtx-65HT, TAP-CB
007-65HT, (65% Phenyl) Methylpolysiloxane columns are available in all standard column I.D.'s and lengths. 
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