Chemistry |
Amide |
Separation Mode |
Reversed Phase |
Particle Substrate |
Hybrid |
pH Range Min |
2 pH |
pH Range Max |
11 pH |
Maximum Pressure |
18000 psi (1240 Bar) |
Endcapped |
Yes |
Silanol Activity |
Low |
Molecular Weight Range Min |
1000 |
Molecular Weight Range Max |
30000 |
Particle Shape |
Spherical |
Particle Size |
1.7 µm |
Endfitting Type |
Parker-style |
Pore Size |
130 Å |
Format |
Column |
Surface Area |
185 |
System |
UHPLC, UPLC |
Particle Technology |
BEH |
USP Classification |
L68 |
Inner Diameter |
2.1 mm |
Length |
75 mm |
Carbon Load |
12 % |
eCord |
Yes |
UNSPSC |
41115709 |
Brand |
ACQUITY UPLC |
Product Type |
Columns |
Units per Package |
1 pk |
ACQUITY UPLC BEH Amide Column, 130Å, 1.7 µm, 2.1 mm X 75 mm, 1K - 30K, 1/pk
Based on the chemically stable, trifunctionally bonded amide phase of the BEH particle, ACQUITY UPLC BEH Amide Columns enable a new dimension in stability and versatility. Waters’ focus on innovative lab equipment and stationary phases for HILIC (Hydrophilic Interaction Chromatography) has allowed this column to overcome the challenge of retaining and separating extremely polar compounds through use of the novel ethylene bridged hybrid particle.
ACQUITY UPLC BEH Amide Columns enable exceptional retention of polar analytes spanning a wide range in polarity, structural moiety, and pKa through the use of a wide range of mobile phase pH, from 2 to 12. Along with the enhanced retention of polar analytes and metabolites, the column offers mass spectrometry response, direct compatibility with sample preparation eluates (PPT, LLE, and SPE), and orthogonal selectivity when compared to other reversed-phase materials.
Analysis of carbohydrates, including monosaccharides, disaccharides, oligosaccharides, and polysaccharides, is improved through ACQUITY UPLC BEH Amide Columns’ use of BEH particles. This technology offers increased chemical stability that enables the use of both high pH and high temperature to collapse, reducing sugar anomers, shortening the analysis time, and improving MS detection. Assay robustness is also improved through the exceptional column lifetime provided by the BEH particle. Lifetime can be further improved through the use of ACQUITY UPLC BEH Amide VanGuard Pre-column, 130Å, 1.7 µm, 2.1 mm X 5 mm, 3/pk.
Unlike amine-based columns commonly used in carbohydrate analysis, the ACQUITY UPLC BEH Amide column is not vulnerable to Schiff-based formation, allowing for improved quantitation accuracy.
What Are Carbohydrates?
Carbohydrates are any molecules that contain carbon, hydrogen, and oxygen, where there are twice as many hydrogen atoms as carbon or oxygen atoms. There are a variety of forms of carbohydrates used in analysis. Monosaccharides are simple sugars in which there is one oxygen atom and two hydrogen atoms for each carbon atom present in the molecule; disaccharides are made up of two monosaccharides joined together through a condensation reaction. Polysaccharides then combine more than two monosaccharide molecules through condensation reactions. Molecules with 3 to 10 sugar units are oligosaccharides, while molecules with 11 or more are true polysaccharides.