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Cogent Definition

Pronunciation: 'kO-j&nt or Ko Gent.
Function: adjective and name of a new innovative, reliable HPLC Column line
Etymology: Latin cogent-, cogens, present participle of cogere to drive together, collect, from co- + agere to drive.
Date: 1659 to Present and for the future.

Definition:
Having power to compel or constrain , power to retain and resolve.
  a: appealing forcibly to the mind or reason : CONVINCING , a great value.
  b: PERTINENT, RELEVANT , Modern, Useful to you.
  c: Synonym: Valid, Validate or Great Value.


Click HERE for Listing of All Cogent HPLC Columns
 


Cogent HPLC Columns

Manufactured to quality standards meeting the most stringent demands required in separation sciences. Columns you can rely on.
 

Cogent TYPE-C™ Silica Columns - Premium Innovative Stationary Phases designed for routine and difficult chromatographic applications. Excellent for new method research and development analyses and problem separations such as hard to resolve compounds. Invented and developed by a team of Scientists, Marketing Professionals and Customers; Cogent TYPE-C™ HPLC products are manufactured with state-of-the-art manufacturing technologies. A monolayer of Silica Hydride (Si-H) is built over Type-B, (Si-OH), high purity silica. This Hydride layer covers the silica surface and pores replacing 97% of the surface silanols. This unique surface in conjunction with our proprietary bonding technology results in exciting phases: BidentateC18™, BidentateC8™, Amide™, Diol™, Phenyl™, UDA™ and Cholesterol™. Each phase has a unique character and benefits that are useful in Reversed Phase, Normal Phase or Aqueous Normal Phase. Excellent for LCMS..

Click HERE for more information About Cogent TYPE-C™ Silica HPLC Columns.

STANDARD HPLC COLUMNS - Other Cogent HPLC Products are columns that are manufactured with the same high quality standards as Cogent, TYPE-C™ columns and are available in a range of particles, particle sizes, end-cappings, column dimensions, hardware and bonded phases. Recommended for new method development or as "Alternate Columns" in established USP© or In-House Methods.

Cogent RP™ HPLC Columns - Our Most Popular Columns. Routinely chosen for new method development using Reversed Phase HPLC. Manufactured with industry leading high purity silica with very low metal content designed for efficiency and consistent results. Reproducibility is assured along with characteristics unique to this material. Available in 100A pore size, 1.8um, 3um, 5um and 10um particles in Guard, Analytical & Preparative columns.

Cogent NP™ HPLC Columns - Chosen for new methods using Normal Phase HPLC. Manufactured with high purity silica with low metal content designed for efficiency and consistent results. Reproducibility is assured along with characteristics unique to this material. This product is manufactured for purity with proprietary methods for purity. Available in 100A pore size, 1.8um, 3um, 5um and 10um particles in Guard, Analytical & Preparative columns.

Cogent HPS™ HPLC Columns - Chosen for specific method development primarily for Reversed Phase methods. Made with 120A pore size, high purity silica with extremely low metal content that's designed for efficieny. Produced for purity from highly distilled monofunctional organosilanes that are thermally treated with proprietary methods for purity, strength, high surface area and high porosity. Available in 5um particles in Guard, Analytical and Preparative columns.

Cogent IEX™ HPLC Columns - Chosen for new method development using Ion Exchange HPLC with 100% Aqueous Mobile Phases for polar and biological compounds. Manufactured with high purity, low metal content, silica that’s designed for efficiency and consistent results. Reproducibility is assured along with characteristics unique to this material that’s manufactured for purity with proprietary methods. Available in 100A pore size, 5um and 10um particles in Analytical & Preparative columns.

Cogent Similars™ HPLC Columns - Chosen for exisintg USP or in-house legacy methods as Alternate Columns. Manufactured with silica that is very similar to the column used when the method was written and now, produced with current, modern column packing technology, Quality controls and column hardware for more consistent results and longer column lifetimes. Available in 100A pore size, 5um and 10um particles in Guard & Analytical columns.

 

 

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