Inertnesscomparison (basiccompounds):primary, secondary, and tertiaryaminesonanRxi®-624SilMS
column.
46
GCCOLUMNS |
HIGH-PERFORMANCERxi COLUMNS
Rxi®-624Sil MS
Rxi®-624SilMSStructure
X
Y
Z
Si
O
R
CH
3
CH
3
CH
3
C N
CH
3
Si
O
O
CH
3
CH
3
Si
CH
3
CH
3
Si
similar
phases
DB-624, HP-624,VF-624, BP-624, ZB-624,
AT-624, 007-1301, G43R
Rxi®-624SilMSColumns
(fusedsilica)
(midpolarityCrossbond® silarylenephase; equivalent to6% cyanopropylphenyl/
94%dimethyl arylenepolysiloxane)
• Lowbleed, high thermal stability column—maximum temperatures up to320 °C.
• Inert—excellent peak shape for awide range of compounds, including acidic and
basic compounds.
• Selective—highly selective for residual solvents, great choice forUSP<467>.
• Manufactured for column-to-column reproducibility—well-suited for validated
methods.
Column
Rxi
®
-624SilMS, 30m, 0.32mm ID, 1.8µm (cat.# 13870)
Sample
Diluent:
DMSO
Conc.:
100µg/mL
Injection
Inj. Vol.:
1µL split (split ratio 20:1)
Liner:
5mm SingleGooseneckwithWool (cat.# 22973-200.1)
Inj.Temp.:
250 °C
Oven
OvenTemp:
50 °C (hold 1min.) to 200 °C at 20 °C/min. (hold 5min.)
Carrier Gas
He, constant flow
Linear Velocity: 37 cm/sec.
Detector
FID@ 250 °C
Instrument
Agilent/HP6890GC
GC_PH1162
Peaks
Conc.
(µg/mL)
1. Isopropylamine
100
2. Diethylamine
100
3. Triethylamine
100
Highly inertRxi®-624SilMScolumns
giveexcellentpeak symmetry for
activeprimaryamines.
NEW!
ID
df
temp. limits
20-Meter
30-Meter
60-Meter
0.18mm 1.00µm -20 to 300/320°C 13865
0.25mm 1.40µm -20 to 300/320°C
13868
0.32mm 1.80µm -20 to 300/320°C
13870
13872
0.53mm 3.00µm -20 to 280/300°C
13871
free
literature
Rxi®-624SilMS:The "GoTo"GCColumn forFast,
EffectiveVolatile ImpuritiesMethodDevelopment
Downloadyour freecopy from
lit. cat.#PHFL1245
Website :
E-mail :
TelNo : 03 9762 2034 . . . inAUSTRALIA
Mar 2011
