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Thermo Fisher Scientific offers a complete range of field consumables used for environmental sampling and general fieldwork. Our selection includes passive samplers such as hydrasleeves and passive diffusion samplers for volatiles, 12 V submersible pumps, tubing, and bladders for pumps, as well as bailers and calibration solutions.
The HydraSleeve™ sampler is used in place of purging and low-flow sampling methods in groundwater monitoring wells to obtain representative, real-time, discrete interval sample of all compounds under natural groundwater flow conditions. The HydraSleeve sampler is effective for sampling slow recharge wells, for monitoring interfaces, and for concentration profiling.
Passive diffusion samplers are semi-permeable polyethylene membranes filled with deionised water. They are used in place of purging and low-flow sampling methods in groundwater monitoring to obtain representative, discrete interval samples of VOCs under natural groundwater flow conditions via diffusion. Sample VOCs that are:
We supply a range of disposable sampling consumables, made from a variety of materials to suit many sampling applications.
The bailer is useful as a sample collection device if the well is first purged using a less disturbing method (e.g. portable pump), when there is very little stagnant water to be removed prior to sample collection.
There are two methods of onsite filtering: filtration during and filtration after sampling.
Filtration after sampling is done once the sample has been taken. Pressure or vacuum is applied to the sample, drawing it through a filter membrane. This can be done with a syringe and filters or with a vacuum hand pump and filter bottle.
Filtration during sampling can be carried out by joining an in-line filter to the sample pump discharge line. This can then be run into a sample bottle for storage and transport.
Explore filters:
Bladders
The genuine QED bladders for the Sample Pro pump are designed for optimum efficiency and are batch tested to give you confidence in your sample integrity.
The QED38360 bladder kit contains 10 disposable quick-change bladders.
Simplify your field sampling with the Proactive Environmental 12 V Groundwater Pumps, designed for 50 mm bores. Connect to a 12 V power source such as the battery of a running car, and you are ready to purge and sample your groundwater wells.
Advantages:
We offer a full range of calibration solutions for calibrating your instruments.
Thermo Fisher Scientific partners with local tubing manufacturers to ensure the highest quality, virgin raw material is used to ensure sample integrity is maintained.