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  • 23/10/2017

2014 News - Capillary GC column for improved PCB separation

Release: 31st October 2014

Introduction
PCBs have been demonstrated to cause cancer, as well as a variety of other adverse health effects on the immune system, reproductive system, nervous system, and endocrine system.

Although no longer commercially produced in many countries, PCBs may be present in many materials.   Products that may contain PCBs include:
    Transformers and capacitors
    Other electrical equipment including voltage regulators, switches, reclosers, bushings, and electromagnets; old electrical devices or appliances containing PCB capacitors
    Oil used in motors and hydraulic systems   
    Fluorescent light ballasts
    Cable insulation;  thermal insulation material including fiberglass, felt, foam, and cork
    Adhesives and tapes;  oil-based paint
    Caulking;  plastics
    Carbonless copy paper;  floor finish

The PCBs used in these products were chemical mixtures made up of a variety of individual chlorinated biphenyl components, known as congeners often known by their industrial trade names. e.g. Aroclor.

Application
Stratlab, under its .red® in-house banner, has launched a new column suitable for use with GC and GC-MS systems where low bleed, low polarity and good high temperature stability are important.  The column, the DR-5 Mx can be used as a first choice for many GC-MS applications.  However the combined characteristics lend the column to many environmental applications, especially for the separation of PCSs.

The attached application note illustrate separations achieved on the new column.  The column forms part of a package of items for support of environmental testing which includes instrument accessories, consumables and chemicals and reagents.  PCB certified reference materials  and other calibration standards are offered as well.

About the DR-5 Mx column - key facts
low bleed, low polarity phase
useful for several environmental applications, especially using a GC-MS or ECD
unique phase based on a phenyl-siloxane backbone
good high temperature stability (to 350ºC)
available in most common dimensions and film thicknesses.

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