Packing |
Description of Base Sorbent |
Retention Mechanism |
| Non-Polar |
| C18/14 |
Octadecyl |
Carbon Loading: 14% Endcapped |
40μm irregularly-shaped silica, 60 Angstrom mean porosity |
The primary retention mechanism is strongly non-polar with typical sample matrices of water and aqueous biological fluids. |
| C18/18 |
Octadecyl |
Carbon Loading: 18% Endcapped |
40μm irregularly-shaped silica, 60 Angstrom mean porosity |
The primary retention mechanism is strongly non-polar with typical sample matrices of water and aqueous biological fluids. |
| C18/22 |
Octadecyl |
Carbon Loading: 22% Endcapped |
40μm irregularly-shaped silica, 60 Angstrom mean porosity |
The primary retention mechanism is strongly non-polar with typical sample matrices of water and aqueous biological fluids. |
| C18/OH |
Octadecyl |
Carbon Loading: 13% Not Endcapped |
40μm irregularly-shaped silica, 60 Angstrom mean porosity. |
The primary retention mechanism is moderately non-polar with typical sample matrix of aqueous biological fluids. The lack of endcapping results in significant polar secondary interactions. |
| C8 |
Octyl |
Carbon Loading: 12% Endcapped |
40μm irregularly-shaped silica, 60 Angstrom mean porosity |
The primary retention mechanism is moderately non-polar with typical sample matrices of water and aqueous biological fluids. |
| PH |
Phenyl |
Carbon Loading: 11% Endcapped |
40μm irregularly-shaped silica, 60 Angstrom mean porosity. |
The primary retention mechanism is moderately non-polar with typical sample matrices of water and aqueous biological fluids. |
| CH |
Cyclohexyl |
Carbon Loading: 9% Endcapped |
40μm irregularly-shaped silica, 60 Angstrom mean porosity. |
The primary retention mechanism is moderately non-polar with typical sample matrices of water and aqueous fluids. |
| C4 |
Butyl |
Carbon Loading: 9% Endcapped |
40μm irregularly-shaped silica, 60 Angstrom mean porosity. |
The primary retention mechanism is moderately non-polar with typical sample matrices of water and aqueous biological fluids. |
| C2 |
Ethyl |
Carbon Loading: 6% Endcapped |
40μm irregularly-shaped silica, 60 Angstrom mean porosity. |
The primary retention mechanism is weakly non-polar with typical sample matrices of plasma, urine and aqueous fluids. |
| C1 |
Methyl |
Carbon Loading - 3% |
40μm irregularly-shaped silica, 60 Angstrom mean porosity. |
The primary retention mechanism is very weakly non-polar with typical sample matrices of plasma, urine and aqueous fluids. |
| CNe |
Cyanopropyl |
Carbon Loading: 8% Endcapped |
40μm irregularly-shaped silica, 60 Angstrom mean porosity. |
The primary retention mechanism is very weakly non-polar and is used with aqueous sample matrices. |
| Polar |
| CN |
Cyanopropyl |
Carbon Loading: 7% Not Endcapped |
40μm irregularly-shaped silica, 60 Angstrom mean porosity. |
The primary retention mechanism is polar with typical sample matrices of non-polar solvents. |
| DIO |
Diol |
Carbon Loading: 7% |
40μm irregularly-shaped silica, 60 Angstrom mean porosity. |
The primary retention mechanism is polar with typical sample matrices of non-polar organic extracts, oil and lipids. |
| SI |
Silica Gel |
|
40μm irregularly-shaped silica, 60 Angstrom mean porosity. |
The primary retention mechanism is strongly polar with typical sample matrices of non-polar organic solvents, oils and lipids. |
| FLO |
Florisil® |
Florisil® is a registered trademark of Floridin Co. |
Florisil®, magnesium sulfate, 150 - 250μm particle size. |
The primary retention mechanism is polar with environmental and organic extracts as typical sample matrices. |
| ALA |
Alumina |
acidic |
Alumina, Al2O3, acidic particle size 50 - 200μm, pH 4.5 |
Activity I The primary retention mechanisms are polar, Lewis acid/base and ion exchange. (Activity Levels II, III, IV, and V also available. Please inquire.) |
| ALN |
Alumina |
neutral |
Alumina, Al2O3, neutral particle size 50 - 200μm, pH 7.5 |
The primary retention mechanisms are polar, Lewis acid/base and ion exchange. All alumina activity I. (Activity II, III, IV, V also available. Please inquire.) |
| ALB |
Alumina |
basic |
Alumina, Al2O3, basic particle size 50 - 200μm, pH 10 |
The primary retention mechanisms are polar, Lewis acid/base and ion exchange. All alumina activity I. (Activity II, III, IV, V also available. Please inquire.) |
| Ionic Exchange |
| COOH |
Carboxylic Acid |
Ion Exchange Capacity - 0.3 meq/gm |
40μm irregularly-shaped silica, 60 Angstrom mean porosity. |
The primary retention mechanism is weak cation exchange with typical sample matrices of water and biological fluids. |
| SCX |
Benzenesulfonic Acid |
Ion Exchange Capacity - 0.8 meq/gm |
40μm irregularly-shaped silica, 60 Angstrom mean porosity. |
The primary retention mechanism is strong cation exchange with typical sample matrices of aqueous, biological fluids. |
| NH2 |
Aminopropyl |
Carbon Loading - 5% Ion Exchange Capacity - 0.8 meq/gm |
40μm irregularly-shaped silica, 60 Angstrom mean porosity. |
The primary retention mechanism is weak anion exchange with typical sample matrices of water, biological fluids, and organic extracts. |
| PSA |
Primary/Secondary Amine |
Ion Exchange Capacity - 1.4 meq/gm |
40μm irregularly-shaped silica, 60 Angstrom mean porosity. |
The primary retention mechanism is weak anion exchange with aqueous samples. |
| DEA |
Diethylamino |
Ion Exchange Capacity - 0.9 meq/gm |
40μm irregularly-shaped silica, 60 Angstrom mean porosity. |
The primary retention mechanism is weak anion exchange with aqueous samples. |
| N+ |
Quaternary Amino |
Ion Exchange Capacity - 0.8 meq/gm |
40μm irregularly-shaped silica, 60 Angstrom mean porosity. |
The primary retention mechanism is strong anion exchange with typical sample matrices of aqueous and biological fluids. |