490-509_hplcapps.qxp
11/19/2008
2:49 PM
Page 492
HPLC APPLICATIONS | UHPLC
UHPLC Column Analyses Reversed Phase Test Mix on Pinnacle® DB C18 (1.9μm)
Peak List: 1. uracil 2. benzene 3. naphthalene 4. biphenyl
Performance: (Calculations for Biphenyl) Efficiency: 217,619 n/m Asymmetry: 1.10 Pressure: 4,500 psi
3.00mg/mL 0.02mg/mL 0.50mg/mL 0.06mg/mL
Sample: Inj.:
2µL HPLC Reversed Phase Test Mix #1 (cat.# 35005) Sample diluent: water:methanol (25:75) Sample temp.: ambient Column: Cat.#: Dimensions: Particle size: Pore size: Conditions: Mobile phase: Flow: Temp.: Det.:
Pinnacle® DB C18 9414252 50mm x 2.1mm 1.9µm 140Å water:acetonitrile (45:55) 0.4mL/min. 25°C UV @ 254nm
LC_EX0427
please note
Excellent peak symmetry and efficiency!
See page 298 for 1.9µm Pinnacle® DB UHPLC Columns ordering information.
Parabens on Pinnacle® DB C18 (1.9μm) Peak List: 1. methyl paraben 2. ethyl paraben 3. propyl paraben 4. butyl paraben
1.9µm Particle Size, 0.5mL/min. methyl paraben
ethyl paraben propyl paraben
butyl paraben
LC_PH0436
Column: Cat.#: Dimensions: Particle size: Pore size:
Sample: Inj.: 2µL Conc.: ~ 100µg/mL each component Sample diluent: mobile phase Conditions: Mobile phase:
0
Flow: Temp.: Det.:
Get More! UHPLC Related Articles Online
Pinnacle® DB C18 9414252 50mm x 2.1mm 1.9µm 140Å
0.1% acetic acid: acetonitrile (50:50) isocratic 0.5mL/min. ambient UV @ 254nm
please note See pages 508, 509, and 530 for more applications on 1.9µm Pinnacle® DB UHPLC Columns.
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