HPLC Columns 2003

PINNACLE II HPLC Columns

NEW Pinnacle II
Ultra IBD - polar embedded deactivation
Ultra Aqueous C18 - polar end-capped

Pinnacle 11 PAH
Restek ADV  article DJVU   

Physical Characteristics:

• particle size: 3 & 5 µm, 

• spherical

• fully end-capped pore size: 110 æ

• pH range: 2.5 to 7.5

• temperature limit:  80°C

3um Pinnacle II Silica 3um Columns (USP L3)
Pinnacle II C18 3um Columns (USP L1)
Pinnacle II Phenyl 3um Columns (USP L11)
Pinnacle II C8 3um Columns (USP L7)
Pinnacle II Cyano 3um Columns (USP L10)
Pinnacle II Amino 3um Columns

5um Pinnacle II Silica 5µm Columns (USP L3)
Pinnacle II C18 5um Columns (USP L1)
Pinnacle II C8 5um Columns (USP L7)
Pinnacle II Phenyl 5um Columns (USP L11)
Pinnacle II PAH 5um Columns
Pinnacle II Cyano 5um Columns (USP L10)
Pinnacle II Amino 5um Columns

Pinnacle II PAH : Restek has developed the newest addition to the Pinnacle II HPLC product line, the Pinnacle II PAH column, specifically for the challenging analyses of  polynuclear aromatic hydrocarbons.

• The Pinnacle II PAH stationary phase is a specialized polymeric C18 bonding that uses unique shape selectivity to resolve to baseline all 16 PAHs listed in US EPA Method 610.

• Lot-to-lot reproducibility of performance is excellent.

• Every lot of Pinnacle II PAH columns is tested to ensure baseline resolution of the Method 610 PAHs, using a simple, linear water/acetonitrile mobile phase gradient.

• Further, because Restek make Pinnacle II PAH columns using our own silica, they have greater control over both quality and cost.

• Pinnacle II PAH columns provide the same selectivity as our original Pinnacle PAH columns, but at a lower manufacturing cost, and consequently, at a lower cost to you.

• If you are analyzing PAHs, Pinnacle II PAH columns are the reliable, cost-effective columns you need. 

New Pinnacle DB  Columns

Pinnacle  DB C18 5um Columns
Pinnacle  DB Cyano 5um Columns
Pinnacle  DB C8 5um Columns
Pinnacle  DB Silica 5um Columns

Pinnacle DB C18 5um Columns
Catalog Nos
see New 1.9um Particle Pinnacle DB 2007

• Highly base-deactivated spherical silica particles manufactured by Restek Corp.

• Monomeric C18  bonding. Hydrophobic C18 phase suitable for analyses of a wide range of  compounds, from acidic through slightly basic.
  Replaces Hypersil BDS C18

• Pinnacle DB is more inert and more non-polar that either UltraAq or IBD ( UltraAq > IDB onn-polar

Physical Characteristics:

• particle: 5um, spherical

• end-cap:  yes - conventional alkyl base-deactivation

• pore size: 140Ã…

• pH: 2.5 - 7.5

• carbon load: 11%

• temperature  limit: 80°C 

• ideal for both acids and bases particularly pharmaceuticals

Ultra IBD
Improved polar embedded group deactivation

• particle: 5µm, spherical

• endcap:  yes - polar embedded base-deactivation

• pore size: 100Ã…

• pH: 2.5 - 7.5

• carbon load: 11%

• temperature  limit: 80°C 

Ultra Aqueous C18

Increased hydrophobicity compared to DB deactivated columns - polar end-capped

preferred for small polar molecules
- organic acids / bases App Note #50177 DJVu article

Ultra Aqueous C18 vs Ultra-IBD

Restek ADV 2002-4 p4-5
both are excellent for both acids/bases but selectivity is complementary UltraAq is more non-polar that IBD

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