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Post-Column Instruments

Post-Column Systems & Replacement Parts

Integrated Systems of Instruments, Chemicals, Columns, Methods and Support

The Onyx PCX and Vector PCX are Post-Column Derivatization instruments designed with features and capabilities that satisfy diverse laboratory requirements. They are fully integrated systems of instruments, chemicals, columns, methods and support from Pickering Laboratories. Click here to download our latest PCX brochure.


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Onyx PCX Derivatization Instrument

The Onyx PCX is an optimized HPLC post-column derivatization system for analysis of Amino Acids, Carbamates, Mycotoxins, Antibiotics and many other applications. This instrument is the culmination of Pickering designed to optimize the sensitivity and selectivity of post-column analysis.  More more-arrow


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Vector PCX Post-column Derivatization Instrument

The Vector PCX instrument is the newest addition to the Pickering family of post-column derivatization systems. Introduced a year after the Pinnacle PCX launch, the new Vector PCX serves as another post-column choice ideal for application-specific methods.  More more-arrow



PHOTOCHEMICAL REACTOR – Detection Enhancement for Aflatoxins, Phenylurea Pesticides, Barbiturates and Other Compounds.   More more-arrow

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Replacement Components

Keep your Pickering Laboratories products performing properly with our certified replacement parts.  More more-arrow


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Flow Restrictors

Pickering restrictors are tubes packed with sized diamond particles designed to provide a desired back-pressure, relative to a given flow rate and viscosity. The restrictor tube and fittings are type 316 stainless steel or PEEK. The diamond packing is chemically and chromatographically inert to all mobile phases.  More more-arrow