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Thermal Desorption Products

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Thermal Desorption (TD) Tubes

(Unconditioned and Conditioned & Capped)

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  • Variety of sorbents to collect a wide range of VOCs, including Tenax and carbon sorbents.
  • Use corrosion-resistant glass tubes for excellent inertness; allow monitoring of sorbent bed condition.
  • Choose stainless steel tubes for greater durability in the field. No sampling pump necessary for passive sampling with diffusion caps.
  • Individually etched with unique serial number for convenient sample identification.
  • Robust barcodethe most reliable "code 128" formaton tube for recording and tracking.
  • Each tube has an arrow indicating flow direction to reduce errors during use.
  • Available unconditioned or preconditioned and ready to sample. Tubes are reusable after thermal desorption for most applications.

Easy-VOC Grab Sampler

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  • Perfect for fast and simple grab sampling of small air volumes (50–500 mL) directly into sorbent tubes.*
  • Easy, instant sample collection with no complicated pumps to calibrate or maintain.
  • Convenient to use anywhere, just attach a sorbent tube to the end of the handheld unit and draw a sample directly into the tube.
  • Accurate, reproducible sampling is assured as this device regulates flow rate independent of the force used to draw the air sample.
  • Fits 1/4" and 6 mm outer diameter sorbent tubes.

MTS-32 TD Multiple Tube Sequential Sampler

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  • Allows sequential sampling of up to 32 thermal desorption tubes (3.5" each).
  • Worry-free, independent operation lets you get more donesimply set up the unit in the field for extended sampling, then retrieve it at the end of the sampling period.
  • Reliably collect accurate samples; diffusion-locking technology prevents sample losses or the ingress of contaminants.
  • Easy to use and portable; use almost anywhere to sample pollutants in ambient air or continuously monitor industrial emissions.
  • Quality construction made of low-outgassing materials; includes built-in fan that refreshes chamber air to ensure representative sampling.
  • Optional accessories let you power unit by either 110230 V power or a battery (will operate 40 hours on battery).

    Note: Power supplies and sampling pump sold separately.

ACTI-VOC Low-Flow TD Sampling Pump

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  • Robust, low-flow pump optimized for sampling volatile organic compounds (VOCs) onto thermal desorption (TD) sorbent tubes.
  • Small, lightweight, easy to use, and intrinsically safeideal for personal monitoring and a wide range of other air and gas sampling applications.
  • Compatible with any TD tube (up to a max flow of 350 mL/min); automatically compensates for different impedances, ensuring constant flow rates with any sorbent packing.
  • Allows constant flow sampling from 20200 mL/min and constant pressure sampling from 1350 mL/min.
  • Easy to calibrate via a simple screw-operated flow adjustment.
  • Rechargeable NiMH battery ensures stable performance for over 8 hours.
  • Supplied in a convenient carrying case with charger (110230 V*) and accessories.

Thermal Desorption Tubes

(Calibration)

More Details
  • Use corrosion-resistant glass tubes for excellent inertness; allow monitoring of sorbent bed condition.
  • Choose stainless steel tubes for greater durability in the field. No sampling pump necessary for passive sampling with diffusion caps.
  • Individually etched with unique serial number for convenient sample identification.
  • Robust barcode—the most reliable "code 128" format—on tube for recording and tracking.
  • Each tube has an arrow indicating flow direction to reduce errors during use.

Vacuum Pumps

(Chemker)

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  • PTFE wetted parts are highly resistant to corrosive gases.
  • Diaphragm-based pump is low maintenance and virtually pollution free.
  • Quiet, low-vibration units keep disturbances to a minimum.
  • Built-in thermal protector automatically shuts off pump if it overheats and then restarts it once the unit is cool.
  • International CE and CSA certification.
  • Applications include vacuum filtration, gel electrophoresis, solid-phase extraction, solvent purification, thermal desorption (TD) tubes, sampling bags, and general use. (Not intended to evacuate air canisters.)

Vacuum Pumps

(Rocker)

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  • Oil-free vacuum pumps are piston powered, so they do not pollute the air and require minimal maintenance.
  • Quiet, low-vibration units keep disturbances to a minimum.
  • Built-in thermal protector automatically shuts off pump if it overheats and then restarts it once the unit is cool.
  • Inlet filter traps particles and removes moisture, prolonging pump life.
  • International CE and CSA certification.
  • Applications include filtration for air sampling, microbiology, suspended solid test, vacuum oven, thermal desorption (TD) tubes, sampling bags, and general use. (Not intended to evacuate air canisters.)
  • Two-year pump warranty.

SafeLok Sorbent Tubes

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  • Feature patented diffusion-locking technology at either end of the sorbent bed to prevent diffusive ingress of atmospheric contaminants outside the pumped sampling period.
  • Significantly reduce the risk of contamination from poorly fitted or loose caps.
  • Prevent necking and other damage to the ends of tubes caused by over tightening of the tube seals.
  • Stop the ingress of volatiles from the laboratory air during routine capping and uncapping procedures.
  • Facilitate pumped sampling over extended periods at low (<1 mL/min) flow rates allowing the collection of time weighted average concentration data over periods of weeks or months without exceeding safe sampling volumes.
  • Individually etched with unique serial number for convenient sample identification.
  • Robust barcode—the most reliable "code 128" format—on tube for recording and tracking.
  • Available unconditioned or preconditioned and ready to sample. Tubes are reusable after thermal desorption for most applications.

Thermal Desorption Tubes

(Empty)

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  • Empty tubes for direct desorption of VOCs from liquids, solids, or pastes.
  • Stainless steel: front sorbent-retaining gauze, rear gauze, and gauze retaining spring supplied; or glass: glass frit positioned 15 mm from sampling end.
  • Can be packed with any sorbent to suit any application.

Accessories for MTS-32 TD Multiple Tube Sequential Sampler

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Optional accessories let you power unit by either 110230 V* power or a battery (will operate 40 hours on battery).

Note: Actual appearance of battery may vary.

Thermal Desorption Tubes

(Accessories for Calibration Tubes)

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