Exclusive Canadian distributor · WePure Biotech

HPLC columns made from raw silica up. Delivered anywhere in Canada.

Forty-four bonded phases, from 1.7 µm UHPLC to preparative scale, each carrying its USP L-classification. Test them on your own instruments before you commit — the evaluation column is free.

WePure analytical and preparative HPLC columns and packing media bottles
ISO 9001:2015Certified manufacturing, valid to December 2028
US FDA Type II DMFThree Drug Master Files on the silica base materials
44 bonded phases1.7 µm to preparative scale, USP L-classified
Delivered duty paidEvery province · service in English and French

Product lines

Analytical to preparative, from one manufacturer.

Each analytical column carries the same USP stationary-phase classification as the column it replaces. How a change of column is verified remains a matter for your laboratory's own quality system.

PrePulite preparative columns and packing media

PrePulite™ preparative columns and media

Packed preparative columns and bulk packing media for purification and scale-up.

C18C8SilicaNH2SAX / SCX
Ask about bulk media →

Find your equivalent

Tell us the column you run today.

Brand, phase, dimensions and particle size are enough. We reply with the WePure phase of the same USP classification and arrange an evaluation column for you.

This fills in the request form below. We answer within one business day.

Free evaluation columns are available to qualified laboratories for their testing protocol, subject to review of the request and approval by Cool Earth and WePure Biotech.

WePure application laboratory with HPLC systems

Benchmarked on the instruments you own

Six head-to-head studies against Waters and Thermo Fisher reference columns.

Run on Waters Arc HPLC and Thermo Scientific Vanquish UHPLC systems, under identical method parameters, with no re-optimisation in our favour. The annotated chromatograms are part of the supplier qualification package.

The manufacturer

Made in house, from raw silica to finished column.

WePure Biotech (Guangzhou) controls every stage: silica synthesis, bonding, packing and release testing. A Certificate of Analysis is issued for every batch, and the Guangzhou site is open to customer audit, arranged through Cool Earth.

WePure Biotech manufacturing site in Guangzhou

How it works in Canada

From your current column to a qualified supplier.

  1. 01Tell us what you runThe column types in use are all we need to find the candidates.
  2. 02Evaluate at no chargeYour analysts test the column on your own methods and instruments.
  3. 03Your quality unit reviewsA supplier qualification package of eight documents is ready to send.
  4. 04Supply and supportDelivered duty paid, with technical support in English and French.

Request a quote

Quote, evaluation column or information.

We answer within one business day, in English or French.

Louis Parrot
Québec and Eastern Canada · 514-578-9453
Marc-André Ménard
Ontario and Western Canada · 450-531-2275
General enquiries
support@coolearthpro.com
Preferred response language

Your information is kept strictly confidential.