Porous zirconia based materials

… from ZirChrom

Porous zirconia based materials

Unique selectivity relative to conventional silica based columns…

Zirconia bonded phases, manufactured by ZirChrom Separations, Inc offer unique selectivity relative to conventional silica based columns, combined with extreme chemical and thermal stability. Unlike polymeric phases, zirconia does not shrink or swell as a function of eluent organic or ionic strength.

ZirChrom

  • Porous zirconia based materials
  • High pH and temperature stability
  • High efficiency
  • Fast solvent equilibration
  • Long column lifetimes

Porous zirconia based materials

ZirChrom Phases

ZirChrom Phase
Porous zirconia based materials Porous zirconia based materialsPorous zirconia based materialsPorous zirconia based materialsPorous zirconia based materialsPorous zirconia based materialsPorous zirconia based materialsPorous zirconia based materialsModePorous zirconia based materialsPorous zirconia based materialsPorous zirconia based materialsPorous zirconia based materialsPorous zirconia based materialsPorous zirconia based materialsPorous zirconia based materials Porous zirconia based materials Particle Size (μm) Porous zirconia based materials Pore size (Å)
Porous zirconia based materials Surface Area (m2/g)
Porous zirconia based materials Carbon Load (%)
Porous zirconia based materials pH Range
Porous zirconia based materials Temperature Limit (OC)
Porous zirconia based materials
PBD RP 3,5 300 30 2.5 1 – 14 150
PS RP 3,5 300 30 1.0 1 – 13 150
EZ RP 3,5 300 30 2.7 1 – 10 50
MS RP 3,5 300 30 3.1 1 – 10 80
SELECT RP 3,5 300 30 1 – 10 80
CARB RP 3,5 300 30 1 – 14 150
DiamondBond-C18 RP 3,5 300 30 3.5 1 – 14 200
PHASE NP 3 300 30 1 – 14 150
SAX Strong Anion – exchange 3 300 30 1.2 1 – 12 80
SHAX Strong Anion – exchange 3 300 30 0.9 1 – 12 80
WAX Weak Anion – exchange 3 300 30 1.3 3 – 9 50
WCX Weak Cation – exchange 3 300 30 1 – 10 50
PEZ Cation – exchange 3 300 30 1 – 10 50
Sachtopore-RP1 RP 3,5 300 15 1 – 12 100
Sachtopore-NP1 NP 3,5 300 15 1 – 14 100

1 Other pore sizes available

Porous zirconia based materials
Porous zirconia based materials

Reversed-Phase Materials

Porous zirconia based materialsPorous zirconia based materialsPorous zirconia based materialsPorous zirconia based materialsPorous zirconia based materials

Ion-Exchange Materials

ZirChrom-PBD  is produced by coating ultra-stable zirconia particles with an extremely thin layer of crosslinked polybutadiene. The chemical selectivity and efficiency of ZirChrom-PBD is similar to that of traditional C8 or C18 silica based columns for non-ionic analytes. However ZirChrom-PBD has greater stability than silica phases and higher efficiencies than polymer phases. Selectivity can be modified by the addition of a strong Lewis base, such as fluoride, phosphate or hydroxide, to the eluent.

ZirChrom-SAX is a highly efficient strong anion-exchanger, created by coating zirconia particles with a thin layer of crosslinked polyethyleneimine. It is useful for the separation of inorganic anions, organic anions and biomolecules such as nucleotides, nucleosides, amino acids and peptides.

Porous zirconia based materialsPorous zirconia based materialsPorous zirconia based materials
Porous zirconia based materials

DiamondBond-C18 uses a proprietary covalent bonding technology to graft C18 groups to a carbon-clad zirconia, giving it outstanding stability for LC-MS applications. DiamondBond-C18 has selectivity that is intermediate between ODS silica and unbonded carbon supports for non-electrolytes.

ZirChrom-WAX is a highly efficient weak anion-exchanger, produced by coating zirconia particles with a thin layer of crosslinked polyethyleneimine. In addition to separating inorganic anions, organic anions and biomolecules, it is an extremely stable amino phase for the separation of carbohydrates.

Porous zirconia based materials

ZirChrom-CARB is produced by coating zirconia particles with a thin layer of elemental carbon. It is an alternative to porous graphitic carbon (PGC) supports for the separation of geometrical isomers, diastereomers and other closely related molecules. It offers very different selectivity to ODS or polymeric materials, making it an excellent choice for orthogonal screening in drug discovery.

ZirChrom-WCX is a phosphate-coated zirconia phase for weak cation-exchange. It is useful for protein chromatography

Porous zirconia based materials

ZirChrom-EZ is a highly efficient phase created by first coating zirconia particles with an extremely thin layer of crosslinked polybutadiene and then deactivating the Lewis acid sites by applying a strong metal chelator. This enables Lewis base analytes such as carboxylates, sulphates and phosphates to be analysed throughout the pH range of 1 – 10 using conventional LC-MS buffers such as acetate or formate.

ZirChrom-PEZ is a EDTPA-coated zirconia phase for the cation-exchange chromatography of proteins and the separation of monoclonal antibodies.

Porous zirconia based materials

ZirChrom-MS is designed specifically for LC-MS, particularly applications involving basic pharmaceuticals. It has the same deactivation chemistry as ZirChrom-EZ but with a covalent
attachment for low bleed and is approximately 2.5 times more retentive for simple compounds. The phase exhibits mixed mode retention characteristics – reversed-phase and cation-exchange.

Porous zirconia based materials

ZirChrom-PS consists of zirconia coated with an extremely thin layer of polystyrene. The phase offers an alternative selectivity and less retention than ZirChrom-PBD making it ideal for non-polar analytes, or where highly aqueous eluents are necessary.

Porous zirconia based materials

ZirChrom-SELECT is a Lewis acid site ‘deactivated’
carbon-coated zirconia phase. This deactivation reduces solute interactions with the zirconia surface, leading to improved peak shape and wider pharmaceutical compound applicability.

Porous zirconia based materials
Porous zirconia based materials

Sachtopore

Porous zirconia based materials
  • Highly stable titania based particles
  • Reversed-phase and normal-phase
  • Ideal for preparative scale-up

Sachtopore Phases

RP NP
Bonded Phase Polyethylene coated TiO2 Unbonded TiO2
Particle Size (μm) 3, 5 3, 5
Pore Size (Å)1 300 300
pH Range 1 – 12 1 – 14
Maximum Temperature 100°C 100°C

Sachtopore phases from ZirChrom Separations are based on
porous, spherical titania (TiO2) particles. Sachtopore-NP
(normal-phase) is bare titania, whereas Sachtopore-RP
(reversed-phase) is polyethylene coated titania. This phase
shows similar selectivity to ZirChrom-PBD. Both Sachtopore
phases are very chemically and thermally
stable and offer unique chromatographic selectivity.

1 Other pore sizes available

Porous zirconia based materials

Please contact Hicrom for further information

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