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Thermal desorption instrumentation
Extraction & enrichment instrumentation
Supplies & consumables
'How to' documents
Raise a support case
Soil gas sampling
Empty sorbent tubes
Sorbent tube end caps
Tube & trap packing
Replacement spare parts
Standards & calibration
Answers to your frequently asked questions
Below are some of the questions that are most commonly encountered by our technical support team – we hope you find the answers helpful. More FAQ's can be found in the
What is the cause of poor reproducibility for liquid-loaded standards?
How do I convert peak areas into toluene equivalents?
How can I prevent high air/water background when using a thermal desorber with GC–MS analysis?
What is the baseline step near the beginning of my GC–MS run?
How do I calculate a split ratio?
How do I avoid water saturation when carrying out large-volume sampling of humid air?
What is the cause of extra peaks in my blanks/samples?
What difference does sorbent mesh size make?
What causes poor chromatogram peak shape when using thermal desorption?
How do I calibrate my analytical system to quantify an analyte collected on a sorbent tube?