thermal desorption accessories &...
TRANSCRIPT
Schematic of SafeLok tubepacked with two sorbents
INDUSTRY STANDARD SORBENT TUBES
The majority of thermal desorption applications require sampling of gases or vapours using sorbent tubes. The choice of tube type and sorbent(s) is critical if the application is to be successful.
Stainless Steel And InertCoated Tubes
Glass Tubes SafeLok™ tubesConditioning Sorbent Tubes
SORBENT TUBES :
Markes’ patented TubeTAG system is the world’s first e for thermal desorption tubes. TubeTAG allows tube and sample specific information to be electronically associated with a particular tube for the duration of a monitoring project, or for the whole life of the tube.
lectronic tagging and labelling system
TUBETAG :
TubeTAG fitted to stainless steel sorbent tube
Markes offers a range of tube accessories to support every TD application. From tools to assist with routine tube maintenance and storage, to labour-saving tube inserts for direct desorption,Markes’ tube accessories are designed to make the analyst’s life easier.
TUBE ACCESSORIES :
MARKESi n t e r n a t i o n a l
CALIBRATION AND STANDARDS :
The use of suitable standards is essential for successful and accurate analysis. Different standards may be required depending on the processbeing carried out e.g.
Liquid phase calibration - external calibration Internal standard calibration Certified reference Standards Instrumentation check standards Gas standards for external calibration ofenvironmental methods
Calibration Solution Loading Rig
Liquid Phase Calibration Tube - 1 Cm Bed Of Tenax Ta
Thermal Desorption Accessories & Consumables
Markes offers an unrivalled range of specialised environmental and occupational hygiene sampling to complement our state-of the-art range of thermal desorption instrumentation.
ENVIRONMENTAL, HEALTH AND SAFETY :
Diffusive Sampling Diffusion Caps Alongside Stainless Steel Sorbent Tube
Personal Explosure
Bio-voc BreathSampler
VOC-Mole Soil Sampler
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Markes International is pleased to offer a range of standards forthermal desorption applications.
Caplok & Tubemate Tools, Gauzes, Springs And Penclips
DiffLok capsStorage Caps, Caplok Tool And Capped Tube
Sorbent Tube Shipment Boxes
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Routine calibration standards for method quantificationCertified standards for QC/QA/audit purposesInstrumentation check standards
TubeTAG Starter kit
MARKESi n t e r n a t i o n a l
PUMPED SAMPLING :
Markes provides a wide range of specialist sampling accessories for thermal desorption. These offer compatibility with gas-, liquid- and solid-phasesamples across a broad range of applications.
SAMPLING ACCESSORIES FOR GENERAL TD APPLICATIONS :
TC-20 multi-tube conditioner & dry purge unit
MTS-32 multiple tube sampler
u-CTE Micro-Chamber/ Thermal Extractor
HS-TD Headspace thermal desorption
SPE-tD™Sorptive Extraction cartridges
MATERIAL EMISSIONS TESTING :
Markes provides a range of innovative technologies for simple and reliable materials emissions testing, and for measuring the chemical content of products.
PTFE liners for direct sampling shown alongside an empty tube
®FLEC cell Permeation Testing
accessory for u-CTE
DEFENCE AND FORENSIC:
TT24-7 Dual Trap Thermal Desorber
DAAMS tubes
THERMAL DESORPTION INSTRUMENT SPARES :
Markes’ thermal desorption (TD) technology provides the ultimate pre-concentration and high sensitivity analytical solution for detecting chemical warfare agents (CWA) and toxicindustrial chemicals (TIC) in air/gas. Military and civilian security agencies and governmentscientists from across the world are working with Markes’ TD systems for monitoring:
For over a decade, Markes International has pioneered and commercialized enhancements to analytical thermal desorption (TD) instrumentation and associated samplingapparatus.
UNITY series 1TD-100 UNITY series 2
Focusing Traps
SORBENT :Markes offers a wide range of bulk sorbents for those customers who wish to pack their own tubes, or who have other sorbent requirements. Careful selection of sorbent type and mesh size is critical for the successful outcome of any thermal desorption application.
Carbonised molecular sieves Molecular sieves Other non-carbon sorbents
Porous polymers Graphitised carbon blacks
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Easy-VOC Pump
ACTI-VOC Pump
Surface Or Bulk Emissions Testing
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CWA stockpile sites Personal exposure of military personnel Performance of protective equipment Agent destruction facilities Key civilian locations (counter-terrorism)
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While no single sampling method suits all air monitoring applications, pumped sampling onto sorbent tubes perhaps provides the most versatile optionfor simultaneous monitoring of multiple target compounds and/or monitoring unknown atmospheres..