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| 007-65HT |
 |
| (65% Phenyl)
Dimethylpolysiloxane |
| 400-65HT |
| (65% Phenyl)
Dimethylpolysiloxane |
Bonded and Crosslinked |
|
Excellent thermal
stability |
|
Moderately
"polar" |
|
Comparable to: No
equivalent |
|
Similar phases:
Rtx-65HT, TAP
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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.
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.
|
|
AVAILABLE COLUMN
CONFIGURATIONS |
|
I.D. (mm)
|
Lengths (Meters) |
Film thicknesses (um) |
| 0.10 |
10, 15, 25 |
0.1, 0.25 |
| 0.18 |
15, 25, 30,
50 |
0.1, 0.25 |
| 0.25 |
15, 25, 30,
50, 60 |
0.1, 0.25 |
| 0.32 |
10, 15, 25, 30, 50, 60 |
0.1, 0.25 |
| 0.53 |
10, 15, 25,
30, 50, 60 |
0.1,
0.15, 0.25 |
|
We have now added our
complete fused silica and Ultra-ALLOY stainless steel
column price lists. The lists are sorted by I.D. then
column length. You can
CLICK HERE to go directly to column pricing, or can
link to the pricing pages on the individual column
information pages.
Click HERE to go directly to the 007-65HT price page.
Click HERE to go directly to the 400-HT price page.
The columns listed are
those that are commonly requested by our customers. If
you do not see the column configuration you require,
CONTACT US, we will be happy to quote.
|
| OPERATING TEMPERATURE RANGE |
| film thickness |
temperature range |
| up to 0.25 micron |
40° C to 390°C |
| Bonded Phase Retention Index |
| Phase |
benzene |
1-nitropropane |
2-pentanone |
pyridine |
butanol |
007-65HT
|
750
|
950
|
820
|
850
|
760
|
Every Quadrex capillary column
undergoes stringent testing utilizing either a modified Grob test mix or
application-specific test mix prior to shipping. An actual Capillary Column
Test Data Sheet, which includes the test chromatogram, operating conditions,
and general column information accompanies every column we ship.
For more information on the Grob Test, click
here.
Below are the results of a 007-65HT column tested with
the Grob Test mix which shows the excellent level of deactivation and efficiency
achieved with
this phase.
Column: 30M. Bonded 65% phenyl
methyl siloxane
0.25mm I.D. x 0.5mm film
Cat. No.: 007-65HT-30-0.5F
Temperature:
50° (1 min. hold)(6° / min.) - 220° C
Injector: 220° C
Detector: 300° C, FID
Carrier Gas: He, 30cm/ sec
|
ELUTION ORDER
| 1.
2,3-butandiol |
7. dimethylphenol |
| 2. decane |
8. dimethylaniline |
| 3.
undecane |
9. methyl decanoate |
| 4.
octanol |
10. methyl undecanoate |
| 5.
nonanal |
11. dicyclohexylamine |
| 6.
2-ethylhexanoic acid |
12. methyl dodecanoate |
|
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Web Site Designed By Bob White From Duet Productions Ltd.
(We are not affiliated in any way with the Quadrex
Corporation (Symbol: QUAD) that appears on the stock market.)
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