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Doty NMR
0
Doty
NMR
XC Solids/Liquids MAS
MAS With
Magic Angle Gradients
SAS (Switched Angle)
Non-spinning
Wideline & Flat-coil
PFG & Liquids HR
High Temperature
Doty
Scientific
2006
Doty NMR
January 1, 2006
TABLE OF CONTENTS
PAGE
PROBES
MAS XC - The Universal Probe for MAS of Solids, Liquids, and Semi-solids .......................... 1
MAS With Magic Angle Gradients................................................................................................ 3
SAS (Switched Angle Spinning) & VAS(Variable Angle Spinning) ............................................. 3
Typical Specifications for Solids Probes
CRAMPS, Wideline, MQ/MAS, FX MAS, Double-tuned or Triple-tuned Probes .................. 4
1
H/
19
F/X MAS ............................................................................................................................... 5
Wideline Probes ........................................................................................................................... 5
Flat-Coil Probes ........................................................................................................................... 6
Diffusion
/
PFG (Pulsed Field Gradient) Probes for Liquids...........................................................7
Liquids
High-Resolution NMR Probes ......................................................................................... 8
HighTemperature
CPMAS Probes............................................................................................... 9
ACCESSORIES
SPIN AND TEMPERATURE CONTROL
Doty Probe Controller (for spin and temperature control) ....................................................10
Spin Rate Detection Preamp/Power Supply (tachometer)...................................................11
Digital
Frequency Counter....................................................................................................11
Bench
Spinner Assemblies ..................................................................................................11
Extended Temperature Range Option for MAS and Other Probes......................................12
Probe
Exhaust Dewar...........................................................................................................12
50
Liter
Nitrogen Dewar........................................................................................................12
Cold-Gas
Supply Systems....................................................................................................12
RF
ACCESSORIES
High-Performance
Protected Preamp ..................................................................................13
High-Performance
NMR Duplexers......................................................................................15
SUPPLIES
SPINNER
SUPPLIES
Rotors,
Caps
and
Other Accessories ...................................................................................16
Accessories for the XC4, XC5 and XC7 MAS Spinners.......................................................17
XC Sealing Cells for Liquids and Semi-solids ......................................................................18
Accessories
for
5
mm and 7 mm Standard MAS .................................................................19
Accessories for 5 mm and 7 mm High Speed MAS ............................................................ 20
Accessories for 5 mm and 7 mm SuperSonic MAS ............................................................ 21
Accessories for 10 mm and 14 mm SuperSonic MAS ....................................................... 22
SUSCEPTIBILITY-MATCHED SAMPLE PLUGS FOR HR (LIQUIDS) NMR............................ 23
OTHER
SUPPLIES
Wideline
Probe
Accessories................................................................................................ 24
General
Probe
Accessories................................................................................................. 25
Accessories
for
Previous
Generation and Special Probes ................................................. 25
Spinner Assemblies and Other Replacement Parts............................................................ 26
APPENDIX
Doty Spinner Assembly Materials
Material
Characteristics & Ceramics ................................................................................... 27
Why Silicon-Nitride Rotors and Stators Are Required for Fast MAS .................................. 28
Plastics, O-ring Caps, & Extended Temperature Caps....................................................... 29
ORDERING INFORMATION.............................................................................................................30
Doty Scientific, Inc.
700 Clemson Rd. Columbia, SC 29229 USA
Phone: (803) 788-6497 Fax: (803) 736-5495 Email: sales@dotynmr.com
Website: www.dotynmr.com
13
C CP/MAS on Glycine, H/C/N tuning @ 750 MHz
S
S/N
250:1, 70
g sample, CP@50 kHz for 1 ms;110 kHz
TPPM decoupling, LB = 80 Hz, nt = 4
Spectrum
-
MIT
Maximize S/N with larger sample
volume, fast spinning rotors.
Doty 7mm, 5mm,& 4mm Rotors
DOTY XC MAS PROBES
with patented cross-coil RF technology
High Performance, Low Decoupler Heating
120 kHz decoupling fields at 750 MHz with 10-25 times lower sample heating compared to solenoid-only
probes. Stable tuning, low heating, high sensitivity, and excellent B
1
matching on both coils, even for lossy
samples. Unlike many sample coil designs, the B
1
homogeneity of the XC coil is not significantly affected by
the sample because of its inherent electrical balance, symmetry, and very low inductance.
Doty MAS
Two-coil
Method:
1
H Cross Coil, X/Y Solenoid Coil
What is a cross coil
?
The cross coil is a
saddle-type coil that has
an inner one-turn loop in
parallel with a segmented
turn on each side.
Why use two coils
?
Using two orthogonal
coils simplifies tuning and
permits higher RF fields
in larger samples and
very high B
0
.
How does this help ?
The low inductance cross coil contributes much less to
sample heating during decoupling. Compared to a
solenoid, its a factor of
10-25 times less !!
Fastest Spinning for the Sample Size
Triple-resonance, Double-broadband Tuning
H-F/X/Y in wide or narrow bore magnets.
H/X/Y/lock wide bore, H/X/lock narrow bore.
H/F/X wide bore or narrow bore.
Maximize versatility with X and Y channels that are multinuclear, even in
probes where
1
H resolution is optimized to 0.003 ppm FWHM.
A Doty H/X/Y XC4 NB Probe
Recent advancements in our turbine
technology have provided improved axial
stability and thus improved resolution.
24 kHz MAS, 4 mm rotors, for wide or
narrow-bore magnets.
18 kHz MAS, 5 mm rotors, for wide or
narrow-bore magnets.
12 kHz MAS, 7 mm rotors, for wide-
bore magnets only.
XC MAS Probe Specifications
Doty 4 mm XC4 Probe Spinning Specifications*
Speeds
Thick Wall
Rotors
Thin Wall
Rotors
Slow MAS
MAS (kHz)
4 to 24
4 to 20
.1 to 12
Caps
Thick
Long
Thick
Short
Thin
Long
Thin
Short
Volume (
l)
46
96
59
124
Active Volume
(
l)
45
45
60
60
XC4 Series
1
H/X
RF
Performance
1
H Frequency
(MHz)
1
H power
(W)
1
H
B
1
(kHz)
Multi-X
pw90,
s
400 WB
240 130 2.2
500 WB
300 130 2.9
600 WB
270 120 3.0
800 NB
200 110 4.2
Doty 5 mm XC5 Probe Spinning Specifications*
Speeds
Thick Wall
Rotors
Thin Wall
Rotors
Slow MAS
MAS (kHz)
3 to 18
3 to 14
.02 to 11
Caps
Thick
Long
Thick
Short
Thin
Long
Thin
Short
Volume (
l)
115
158
150
205
Active Volume
(
l)
80
80
105
105
XC5 Series
1
H/X
RF
Performance
1
H Frequency
(MHz)
1
H power
(W)
1
H
B
1
(kHz)
Multi-X
pw90,
s
300 WB
300 120 2.2
400 WB
300
120
2.5
500 WB
280
120
2.6
600 WB
260
110
2.8
750 NB
250
110
4.6
Doty 7 mm XC7 Probes Spinning Specifications*
Rotor & Caps
Thick Wall
Rotors
Thin Wall
Rotors
Slow MAS
MAS (kHz)
2 to 12
2 to 11
.1 to 6
Caps
Thick
Long
Thick
Short
Thin
Long
Thin
Short
Volume (
l)
241 455 299 564
Active Volume
(
l)
211 211 262 262
XC7 WB Series
1
H/X
RF
Performance
1
H Frequency
(MHz)
1
H power
(W)
1
H
B
1
(kHz)
Multi-X
pw90,
s
300 WB
350 120 2.5
400 WB
300 110 3.4
500 WB
250 90 4.2
600 WB
210 80 5.0
750 WB
170 70 6.2
Note that
B
1
is proportional to P
1/2
, so 70% of the
indicated fields would be achieved at half power.
Features:
1. An order of magnitude lower decoupler heat-
ing of biological solids.
2. Highest sensitivity,
250:1 on 70 g glycine
at 750 MHz (triple-resonance XC4, nt=4, see
page one.)
3. Highest decoupling efficiency, over 120 kHz
for XC4 NB at 750 MHz with 250 W.
4. Lowest thermal gradients (<1癈 over sample
with full
1