7
Figure 13: NaproxenonPinnacle
™
DBC8
Figure 12: NaproxenonPinnacle
™
DBCyano
Restek Corporation • (800) 356-1688 •
0
0.5
1.5
1
2.5
2
3
3.5 min.
1
LC_0239
PeakList:
1. naproxen
Sample:
Inj.:
2µL
Conc.:
550µg/mL
SampleDiluent: mobile phase
Column:
Pinnacle
™
DBCyano
Catalog #:
9416565
Dimensions:
150 x 4.6mm
Particle Size:
5µm
Pore Size:
140Å
Conditions:
Mobile Phase:
A: 90% 20mmolar
KH
2
PO
4
buffer, pH 3.0
B: 10% acetonitrile
Flow:
1.0mL/min
Temp.:
27°C
Det.:
UV@ 254nm
0 0.5
1.5
2.5
1
2
3.5
4.5
3
4
min.
1
LC_0240
PeakList:
1. naproxen
Sample:
Inj.:
2µL
Conc.:
550µg/mL
SampleDiluent: mobile phase
Column:
Pinnacle
™
DBC8
Catalog #:
9413565
Dimensions:
150 x 4.6mm
Particle Size:
5µm
Pore Size:
140Å
Conditions:
Mobile Phase:
A: 90% 20mmolar
KH
2
PO
4
buffer, pH 3.0
B: 10% acetonitrile
Flow:
1.0mL/min
Temp.:
27°C
Det.:
UV@ 254nm
Figure 15: Vanilla flavor profiles onPinnacle
™
DBC18: Fast LC
LC_0251
PeakList:
Ret. Time (min.)
1. vanillin
2.00
2. ethylvanillin 4.20
LC_0252
PeakList Ret. Time (min.)
1. vanillin
2.00
Sample:
Inj.:
5µL
Conc.:
unknown
SampleDiluent: 20% v/v
commercial
extract in
water
Column:
Pinnacle
™
DBC18
Catalog #:
9414555
Dimensions:
50 x 4.6mm
Particle Size:
5µm
Pore Size:
140Å
Conditions:
Mobile Phase:
A: 0.2% v/v conc. phosphoric
acid inwater
B: methanol
Isocratic: 80%A: 20%B
Flow:
2mL/min
Temp.:
27°C
Det.:
UV@ 254nm
Vanillin andEthylvanillin
onPinnacle
™
DBC18
VanillaBeanExtract
onPinnacle
™
DBC18
Pharmaceutical Applications
Food, Flavor, andFragranceApplication
