729
HPLC CHROMATOGRAMS |
FOODS & FLAVORS
Dietar y Supplements
Organic Acids
Ultra II® Aqueous C18
Peak List
Ret. Time (min.)
1. tartaric acid
2.061
2. quinic acid
2.210
3. malic acid
2.596
4. citric acid
4.177
5. fumaric acid
5.853
Sample:
Inj.:
5µL
Conc.:
10µg/mL fumaric acid,
2,000µg/mL each other acids
Sample diluent: water
Column:
Ultra II
®
Aqueous C18
Cat.#:
9608565
Dimensions:
150mm x 4.6mm
Particle size:
5µm
Pore size:
100Å
Conditions:
Instrument:
Shimadzu Prominence UFLC
XR
Mobile phase:
100% 20mM potassium phosphate (pH2.5)
Flow:
1.0mL/min.
Temp.:
30°C
Det.:
UV @ 226nm
LC_PH0498
NEW!
Sample:
Inj.:
1µL
Conc.:
100µg/mL
Sample diluent: water:methanol (60:40)
Column:
Ultra II
®
Aqueous C18
Cat.#:
9608565
Dimensions:
150mm x 4.6mm
Particle size:
5µm
Pore size:
100Å
Conditions:
Instrument:
Shimadzu Prominence UFLC
XR
Mobile phase:
water:methanol (60:40)
Flow:
2.0mL/min.
Temp.:
40°C
Det.:
UV @ 222nm
Pressure:
240bar
LC_PH0506
Melatonin
Ultra II® Aqueous C18
Peak List
Ret. Time (min.)
1. melatonin
3.117
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TelNo : 03 9762 2034 . . . in AUSTRALIA
Mar 2011
