YMC-Pack PVA-Sil

Normal-Phase Alternative to Silica

YMC-Pack PVA-Sil, which possesses a polyvinyl alcohol (PVA) surface chemistry, is an excellent alternative to silica gel or other polar bonded phases which are used in normal-phase chromatography.  In many situations, it exhibits better performance characteristics with a unique selectivity, and can often resolve compounds that behave poorly on bare silica.  The alcohol functionality present on PVA-Sil is better suited for troublesome compounds, such as organic bases, that acidic silanols present in unbonded silica.  Since PVA-Sil is a bonded stationary phase, it can be washed with solvents of any polarity from hexane to water, without altering the surface activity.  Therefore; selectivity, retention, and resolution are reproducible regardless of the column’s previous history.  This is not true of bare silica, which easily becomes completely deactivated following the introduction of even a small quantity of water.

Specifications

YMC- Pack PVA-Sil: Features & Benefits

Specifications
Base Material: Silica
Stationary Phase: Polyvinyl alcohol (USP L24)
Particle Size: 5µm
Pore Size: 120Å
Bonding: Monomeric
pH Range: 2-7.5

Polyvinyl Alcohol Functionalized Silica

YMC-Pack PVA-Sil is prepared from a 5µm, 120Å silica support which is bonded with a monomolecular polymer coating of vinyl alcohol. The polymerized PVA completely covers both external and internal surfaces of the silica support, protecting it against aggressive, high pH buffers, and solvents.

  • Bonded phase alternative to silica for normal-phase applications
  • Vinyl alcohol polymerized silica support
  • Consistent surface activity, unaffected by water
  • Excellent for packed column supercritical fluid chromatography

 

Product List

Product Table

Particle Size Pore Size Column ID (mm) Column Length (mm) Connection (inches) Part Number Price Quantity
5µm 120Å .075 100 1/16" PV12S05-10E8AU $1,066.00
5µm 120Å .075 100 1/32" PV12S05-10E8RU $1,066.00
5µm 120Å .075 150 1/16" PV12S05-15E8AU $1,066.00
5µm 120Å .075 150 1/32" PV12S05-15E8RU $1,066.00
5µm 120Å 0.10 100 1/16" PV12S05-10F0AU $1,066.00
5µm 120Å 0.10 100 1/32" PV12S05-10F0RU $1,066.00
5µm 120Å 0.10 150 1/16" PV12S05-15F0AU $1,066.00
5µm 120Å 0.10 150 1/32" PV12S05-15F0RU $1,066.00
5µm 120Å 0.30 50 1/16" PV12S05-05H0AU $1,066.00
5µm 120Å 0.30 50 1/32" PV12S05-05H0RU $1,066.00
5µm 120Å 0.30 75 1/16" PV12S05-L5H0AU $1,066.00
5µm 120Å 0.30 75 1/32" PV12S05-L5H0RU $1,066.00
5µm 120Å 0.30 100 1/16" PV12S05-10H0AU $1,066.00
5µm 120Å 0.30 100 1/32" PV12S05-10H0RU $1,066.00
5µm 120Å 0.30 150 1/16" PV12S05-15H0AU $1,066.00
5µm 120Å 0.30 150 1/32" PV12S05-15H0RU $1,066.00
5µm 120Å 0.50 50 1/16" PV12S05-05J0AU $1,066.00
5µm 120Å 0.50 50 1/32" PV12S05-05J0RU $1,066.00
5µm 120Å 0.50 75 1/16" PV12S05-L5J0AU $1,066.00
5µm 120Å 0.50 75 1/32" PV12S05-L5J0RU $1,066.00
5µm 120Å 0.50 100 1/16" PV12S05-10J0AU $1,066.00
5µm 120Å 0.50 100 1/32" PV12S05-10J0RU $1,066.00
5µm 120Å 0.50 150 1/16" PV12S05-15J0AU $1,066.00
5µm 120Å 0.50 150 1/32" PV12S05-15J0RU $1,066.00