Colonnes HPLC, série Zorbax^® Eclipse XDB :
• Quatre sélectivités pour optimiser le développement de méthodes
• Excellente forme de pic pour les composés basiques, acides et neutres
• Hautes performances sur une large gamme de pH - pH 2 à 9
• Granulométries de 1,8 à 7 μm
• Longue durée de vie grâce à un greffage extradense et une double postsilanisation
Les colonnes Agilent ZORBAX^® Eclipse XDB (C18, C8, phényle et CN) proposent quatre phasesgreffées pour optimiser le développement de méthodes.
Ces colonnes offrent une forme depic exceptionnelle sur une large gamme de pH (2 à 9) pour une grande souplesse endéveloppement de méthodes avec une seule et même famille de colonnes.
Les colonnes Eclipse XDB sont utilisables pour le développement de méthodes à pH faibles (2 à 3) oumoyens (6 à 8). Aux pH moyens, les silanols résiduels sont plus actifs et les interactions plusprobables, ce qui génère des traînées de pic. Pour éliminer ces interactions, les colonnesEclipse XDB font l'objet d'un greffage extradense et d'une double postsilanisation selon unprocédé exclusif pour masquer le plus de silanols actifs possible. Ces colonnes offrent alorsune excellente forme de pic des composés basiques de pH 2 à 9. Les colonnes Eclipse XDBsont disponibles avec des diamètres de pore de 1,8, 3,5, 5 et 7 μm pour des séparationsanalytiques et préparatives rapides et haute résolution.

---------------------------------------------------------------------

Agilent ZORBAX^® Eclipse XDB columns – C18, C8, Phenyl and CN – provide four bonded phase choices for method development optimization. These columns provide good peak shape over a wide pH range (2–9) for additional method development flexibility with one family of columns. Eclipse XDB columns can be used for method development at low pH (2–3) and the same column can be used for method development in the mid pH (6–8) region. In the mid pH region, residual silanols are more active and tailing interactions are more likely. To overcome these interactions, Eclipse XDB columns are extra densely bonded and double endcapped through a proprietary process to cover as many active silanols as possible. The result is superior peak shape of basic compounds from pH 2–9. Eclipse XDB columns are available in 1.8, 3.5, 5 and 7 μm particle sizes for high speed, high resolution, analytical and prep scale separations.

Features
    Four selectivity choices for method development optimization
    Good peak shape for basic, acidic and neutral compounds
    High performance over a wide pH range – pH 2–9
    Particle sizes from 1.8 to 7 μm
    Long lifetime with extra dense bonding (XDB) and double endcapping
    Eclipse XDB-CN equilibrates more rapidly than ZORBAX Rx-Sil and is used for many of the same normal-phase applications
    To compare technical information and specifications for different phases, see our phase specifications chart.

Specifications
Eclipse XDB columns can be used for initial method development at low pH (2–3) and will provide high resolution and excellent peak shape of all types of compounds. The same column can be used for method development in the mid pH (6–8) region. In the mid pH region residual silanols are more active and tailing interactions are more likely. To overcome these interactions, Eclipse XDB columns are extra densely bonded and double endcapped through a proprietary process to cover as many active silanols at possible. The result is superior peak shape of basic compounds from pH 2 9.

Eclipse XDB columns are available in C18, C8, Phenyl and CN bonded phases for selectivity optimization of most separations with StableBond, Bonus-RP and Extend-C18 available as additional selectivity choices. Eclipse XDB columns are available in particle sizes ranging from 1.8 µm to 7 µm RRHT to Prep. Rapid Resolution HT (RRHT) columns provide the fastest analysis times and the highest resolution in a new wider range of column dimensions supporting high-pressure use.

Pore Size : 80 Å
Shipping Solvent : Methanol/Water
Phase : Eclipse XDB-C8
Molecular Weight Upper Limit : 3000 Da
Endcapped : Double
pH Range : 2-9
Molecular Weight Lower Limit : 0 Da
Guard Column : No
Pressure Rating : 400 bar
Maximum Temperature : 60°C at pH 2-6, 40°C at pH 6-9
Particle Size : 5 µm
Carbon Load : 7.6 %
Length : 150 mm
Separation Mode : Reversed Phase
Inner Diameter (ID) : 4.6 mm
Particle Type : Fully Porous
Pressure limit : 400 bar