Laboratory Products 45 Environmental sample extraction: Overcome limitations of EPA method 3546
Many laboratories using EPA method 3546 for the solvent extraction of environmental samples are aware of the bottleneck of sample throughput plus sample weight limitations.
Traditional extraction of contaminants such as PCBs, semivolatile organic compounds, and PAHs use lengthy methods that also require large volumes of solvents. A recent development - microwave assisted extraction (MAE) overcomes these limitations, resulting in rapid sample preparation with reduced amounts of solvents while working at higher temperatures and pressures.
The Milestone Ethos X microwave extraction system from Analytix can extract organic target compounds from soils in full compliance with EPA 3546 (100- 115°C and 50-150 psi). The system is capable of processing up to 24 samples and 30 g of sample per vessel simultaneously thereby improving the limit of quantitation (LOQ) for analysis. This results in the capacity to extract over 200 samples in an 8-hour workday and the potential problems of contamination, memory effects, and cleaning are eliminated due to the use of disposable glass vials.
The handling is very easy, the sample is weighed directly into the vial, hexane/acetone or dichloromethane/acetone (1:1) is added, and the vessel is loaded into the 24 place FastEX that has contactless temperature control in all positions. After 10–20 min of microwave heating, the sample is ready to be fi ltered and analysed by GC or GCMS.
The use of disposable glass vials coupled with speed of extraction and reduced solvent consumption makes the Ethos X a unique and innovative solution for the extraction of contaminants from soils, providing unmatched ease of use and low running costs.
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ilmt.co/PL/xokM 64946pr@reply-direct.com ADVERTORIAL
Liquid waste autoclave simplifi es biohazard disposal
Best in class climate control units
Trust the best and relax Memmert is one of the world‘s leading manufacturers of climate chambers and temperature control units for laboratories and industrial applications. Our product range comprises climate chambers, heating and drying ovens, incubators, medical devices and water baths.
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The workfl ow process for facilities sterilising large volumes of liquid waste has been signifi cantly simplifi ed. Staff no longer need to manually load containers of liquid waste into autoclaves or chemically treat wastewater with disinfectants before disposal, thanks to the introduction of the AstellBio Liquid Waste Autoclave 200.
Disposing of biologically contaminated liquid waste can be a time-consuming process for those relying on chemical sterilisation. Not only is the sterilisation process itself lengthy, but it also demands extensive staff training to ensure compliance with proper protocols and safety procedures. Regular retraining is required to maintain profi ciency and implement new practices effectively.
With the AstellBio Liquid Waste Autoclave 200, facilities can reduce the burden on staff. Named for the number of litres it can sterilise per hour, the Liquid Waste Autoclave 200 handles the entire process automatically. Once connected to sinks, sluices, and other wastewater-producing devices, the system collects, sterilises, and disposes of liquid waste without requiring human interaction. Using the same thermal sterilisation process as a traditional autoclave, it guarantees complete sterilisation of liquid waste.
Moreover, because the Liquid Waste Autoclave 200 relies solely on heat for sterilisation, it eliminates the risk of soil or groundwater contamination.
From pathogens and biohazards associated with Containment Levels 1 to 3 / Bio Safety Levels 1 to 3, to genetically modifi ed organisms, toxins, liquid animal waste, or combinations thereof, the AstellBio Liquid Waste Autoclave 200 is capable of sterilising a diverse range of liquid waste. It does all this within a compact 1.5m² footprint, making it an effi cient solution for one or multiple laboratories.
More information online:
ilmt.co/PL/plGA 64094pr@reply-direct.com
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Secure 2025 prices now Benefi t from: • Immediate availability: No long waiting times - your required devices are ready for dispatch immediately • Maximum fl exibility: Unexpected demand? Don‘t worry, we have your solution in stock immediately • Proven Memmert quality: Rely on products that are ready for immediate use and support your processes effi ciently
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