• HPLC Column, Xtimate series HPLC columns
    HPLC Column, Xtimate series HPLC columns HPLC Column, Xtimate series HPLC columns HPLC Column, Xtimate series HPLC columns

Xtimate series HPLC columns derive their outstanding performance from a special hybrid particle technique. A unique 5nm organic/inorganic polymer layer on the silica surface ensures high column efficiency, mechanical strength, and resolution, as well as wide pH range (1.0-12.5) application.  Xtimate series HPLC columns are designed for method development and have demonstrated high stable performance and long lifetime in nearly all types of mobile phase or high temperature use. 

Xtimate series columns have the bonding phases: C18, C8, C4, CN, NH2, Phenyl-Hexyl, Polar RP, SEC120, SEC300, SEC500, SEC700, SEC1000, PS-DVB, Sugar-Ca, Sugar-H.  


Key Features

  • Ultra-pure spherical porous silica, purity>99.999% 
  • Unique stationary phase bonding and double end-capping technique
  • High column efficiency: Theoretical Plates > 90,000/m
  • Good peak symmetry: Tailing Factor: 0.95-1.05
  • Wide pH range: 1.5-12.0
  • Good lot-to-lot reproducibility
  • Good peak shape in the determination of easy-to-tail alkalis under neutral condition

Typical Applications

  • Widely used in pharmaceutical, chemical industry, environment and food safety testing field
Full Welch Chromatography Catalog 2021 is attached in this link: Welch Chromatography Catalog 2021.pdf




Catalog NumberDescription
00101-11009
HPLC Column: Xtimate C18, 3μm, 2.1×30mm
09101-11009
HPLC Column: Xtimate C18, 3μm, 2.1×33mm
00101-11010
HPLC Column: Xtimate C18, 3μm, 2.1×50mm
00101-11011
HPLC Column: Xtimate C18, 3μm, 2.1×75mm
00101-11012
HPLC Column: Xtimate C18, 3μm, 2.1×100mm
00101-11013
HPLC Column: Xtimate C18, 3μm, 2.1×125mm
00101-11014
HPLC Column: Xtimate C18, 3μm, 2.1×150mm
00101-11015
HPLC Column: Xtimate C18, 3μm, 2.1×200mm
00101-11016
HPLC Column: Xtimate C18, 3μm, 2.1×250mm


Thumb File information
Xtimate HPLC Column Introdiction.pdf 458.55KB
Xtimate Series and Part Number.pdf 202.81KB

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HPLC Column, Xtimate series HPLC columns


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Tags: HPLC Column, Fluid Handling, Analytical Instrument, Organic acids, Separation science