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Equivalent to Welch C18 Column - Welchrom, Ultisil, Xtimate & More

GL Sciences Welch Equivalent HPLC Columns

The most trusted HPLC columns since 1968. GL Sciences offer an excellent alternative to Welch HPLC Columns.

GL Sciences HPLC Columns

Free samples available

HPLC Columns GL Sciences

GL Science HPLC Columns Deliver:

HPLC High Inertness

High Inertness

Low Back Pressure

High Reproducibility


Latest Technology

InertSustain C18 Columns

Latest HPLC column technology. Provides superior resolution & peak shape with best in class end-capping technology.


Recommended GL Sciences equivalent for Welch C18 Columns:

  • Welchrom C18
  • Ultisil AQ-C18
  • Ultisil Amino Acid
  • Ultisil XB-C18
  • Xtimate C18
  • Ultisil UHPLC XB-C18
  • Topsil C18

Latest Technology

InertCore Plus C18

High performance core-shell column for UHPLC/HPLC.


Recommended GL Sciences equivalent for Boltimate C18 Columns:

  • Boltimate C18
  • Boltimate EXT-C18

Most Popular

Inertsil C18 Columns

For more than a decade, Inertsil has been the industry standard in state-of-the-art reverse phase HPLC columns. 


Recommended GL Sciences equivalent for Welch C18 Columns:


Other GL Sciences Recommended HPLC Columns

ManufacturerColumnBonding typeUSPGL Sciences Recommended Column
WelchUltisil Plus C18C18L1InertSustainSwift C18
WelchUltisil UHPLC AQ-C18C18L1InertSustain AQ-C18
WelchWelchrom C8C8L7InertSustain C8
WelchUltisil XB-C8C8L7InertSustain C8
WelchXtimate C8C8L7InertSustain C8
WelchTopsil C8C8L7InertSustain C8
WelchUltisil UHPLC XB-C8C8L7InertSustain C8
WelchUltisil LP-CNCNL10Inertsil CN-3
WelchUltisil XB-CNCNL10Inertsil CN-3
WelchXtimate CNCNL10InertSustain Cyano
WelchTopsil CNCNL10InertSustain Cyano
WelchUltisil XB-NH2NH2L8InertSustain NH2
WelchTopsil NH2NH2L8InertSustain NH2
WelchXtimate XB-NH2NH2L8InertSustain NH2
WelchXtimate Pheny-HexylPhenylhexylL11InertSustain Phenylhexyl
WelchTopsil Phenyl-HexylPhenylhexylL11InertSustain Phenylhexyl
WelchUltisil SiO2SilicaL3Inertsil SIL-100A
WelchTopsil SilicaSilicaL3Inertsil SIL-150A
WelchXtimate SiO2SilicaL3Inertsil SIL-100A
WelchUltisil XB-SAXSAXL14Inertsil AX
WelchUltisil XB-SCXSO3H-Inertsil CX
WelchUltisil HILIC Amide -InertSustain Amide




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