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P.J. Cobert Associates, Inc.

2302 Weldon Parkway

St. Louis, MO  63146

Toll Free: 1-800-972-4766

Phone: 314-993-2390

Fax: 314-993-2491

cobert@cobertassoc.com

Over 30 Years of chromatography experience!

PICKERING

Columns and Guards

Pickering Laboratories columns and guards are intended for specific applications that require post-column derivatization.  This technology guarantees detection of certain classes of compounds at very low concentrations - amino acids, carbamate pesticides and polyamines for example.

Each column is packed and tested to separate the target compounds according to Pickering's chromatographic quality control standards and published analytical method.  The following acceptance criteria apply to all of Pickering's columns.

  • WIth guard  column installed, produce a specified chromatogram of the compounds in a standard test mixture.

  • Separate the compounds in the established order, with specified resolution of critical pairs.

  • Operate within the specified range of back pressure.

  • Be free of contaminating material which can cause baseline artifacts.

Only after all criteria have been met can the column's serial number and label be applied.

Quite simply, the column is guaranteed to produce a chromatogram for its intended application if it is operated according to the conditions and methods prescribed by Pickering Laboratories.

LITHIUM AMINO ACID ANALYSIS COLUMNS

SODIUM AMINO ACID ANALYSIS COLUMNS

CARBAMATE PESTICIDE ANALYSIS COLUMNS

CARBAMATE PESTICIDE ANALYSIS MICRO COLUMNS

GLYPHOSATE HERBICIDE ANALYSIS COLUMN

ALKION™ COLUMN

PARALYTIC SHELLFISH TOXINS ANALYSIS COLUMN

MULTI-RESIDUE MYCOTOXIN ANALYSIS COLUMN

AFLATOXINS ANALYSIS COLUMN

POLYETHER ANTIBIOTICS ANALYSIS COLUMN

 

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              All prices subject to change without notice.

*PRICING NOTE* - P.J. Cobert Associates, Inc. would like to notify you that we have received late notification of price increases

for several manufacturers effective August 1, 2008. We have no control over when manufacturers increase their prices, however

we always do everything possible to keep our pricing as competitive as we can. We apologize for any inconvenience this may cause.

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