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Product Information
Phase Detail
Luna C8(2) HPLC Columns
Luna C8 HPLC columns offer less retention than Luna C18 HPLC columns and can be used for L1 methods.

Luna C8(2) HPLC Columns

Luna C8(2)

The Luna brand of columns and media is more than just a product line from Phenomenex. It is a pledge to provide you with the highest level of satisfaction for your chromatographic goals. The C8 column provides less hydrophobic retention than our C18 columns, but the density of the ligand bonding creates more steric based selectivity.

  • Extensive line of rugged particle sizes
  • Easy method scalability from HPLC to preparative and bulk purification LC
  • C8(2) Ultra-pure, metal-free silica (99.99% purity) (USP:L7)

Carbon Load
Surface Area (m²/g)
Particle Size
3, 5, 10, 15
Recommended Use
Separation of very hydrophobic compounds


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Long Column Lifetimes and Excellent Performance

Ultra-pure, metal-free silica (99.99 % purity) is the back bone of all Luna material. The resulting high quality particles have a surface smoothness, pore structure, and pore consistency to ensure a more uniform particle shape and greater reproducibility.

Superior Particle Smoothness

Agilent Technologies® ZORBAX®
Waters® Symmetry®
Phenomenex Luna
The high efficiencies and bonded phase surface coverage provide for sharp peaks The C8 columns are generally better hydrogen bond acceptors, and better for acidic compounds.

Fatty Acids

Applicatoin ID 1258

Luna 5 μm C8(2)
150 x 4.6 mm
Part No.:
Mobile Phase:
A: Acetonitrile
B: Water (18 Mohms DI)
A/B (70:30)) to A/B (90:10) in 10 min, A/B
(90:10) to A/B (70:30) in 2 min, hold for
4 min
Flow Rate:
0.3 mL/min
22 °C
Evaporative Light Scattering (ELSD)
1. Lauric acid
2. Myristic acid
3. Palmitoleic acid
4. Linoleic acid
5. Palmitic acid
6. Oleic acid
7. Heptadecanoic acid
8. Stearic acid

Saw Palmetto Berry, p-Bromophenacyl Esters

Luna 3 µm C8(2)
150 x 4.6 mm
Part No.:
Mobile Phase:
Acetonitrile/Water (87:13)
Flow Rate:
1.5 mL/min
25 °C
UV @ 254 nm
1. Capric acid
2. Lauric acid
3. Linolenic acid
4. Myristic acid
5. Linoleic acid
6. Palmitic acid
7. Oleic acid
8. Stearic acid