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Waters


Symmetry Series
Exceed the standards for an HPLC Column

Symmetry® LC Columns are manufactured using high purity silica and tightly controlled manufacturing processes to ensure that you receive a column that exceeds the standards for HPLC column performance.  No other silica-based LC column brand can match the column-to-column and batch-to-batch reproducibility of the Symmetry family.  
 

  Symmetry SymmetryShield Symmetry300
Phase C18 C8 RP18 RP8 C18 C4
Particle Size (μm) 3.5, 5 3.5, 5 3.5, 5, 7 3.5, 5, 7 3.5, 5 3.5, 5
Carbon Load 19% 12% 17% 15% 8.5% 2.8%
Pore Diameter (Å) 100 100 100 100 300 300
Surface Area (m2/g) 335 335 335 335 335 335



XBridge Series
The Benchmark for LC Method Ruggedness and Longevity.
XBridge HPLC Columns include 10 general and application-specific sorbents that cover a wide range of particles sizes for analytical and preparative HPLC applications. Scientists can use these versatile columns to quickly develop robust methods using mobile phases throughout the entire 1-12 pH range. 

 

  C18 C8 Shield RP18 Phenyl HILIC
Ligand Type Trifunctional C18 Trifunctional C8 Monofunctional Embedded Polar Group Trifunctional C6 Phenyl Unbonded BEH
Particle Size (μm) 2.5, 3.5, 5, 10 2.5, 3.5, 5, 10 2.5, 3.5, 5, 10 2.5, 3.5, 5 2.5, 3.5, 5
Carbon Load 18% 13% 17% 15% -
Pore Diameter (Å) 135 135 135 135 130
Endcap Style Proprietary Proprietary TMS Proprietary -
pH Range 1-12 1-12 2-11 1-12 1-8
Low pH Temp. Limits 80°C 60°C 30°C 80°C 45°C
High pH Temp. Limits 45°C 45°C 45°C 45°C 45°C
USP L1 L7 L1 L11 L3

 
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