ENVIRONMENTAL LABORATORY


Rapid analysis of HON compounds with SIFT-MS


Free webinar on mycotoxin analysis


Skalar will host a Mycotoxin Webinar on 28th October that will cover the latest techniques in mycotoxin analysis and food safety, offering valuable insights. Food Safety Expert Dr. Frederik Wupperman will present manual procedures and LCTech’s FREESTYLE ThermElute full automation system with real-world data. The expert team will also be available to answer all your questions!


In response to updated guidance from the United States Environmental Protection Agency (EPA), Syft has developed robust one-minute sampling methods that leverage the unmatched speed, sensitivity, and ease of use of SIFT-MS technology. These innovative methods achieve exceptional minimum detection limits (MDLs) in the low- to mid-parts per trillion by volume (pptV) range, setting a new benchmark for monitoring toxic VOCs.


SIFT-MS delivers real-time, direct monitoring of volatile organic compounds (VOCs) and inorganic compounds in the air. Unlike traditional techniques that require lengthy sample collection and off-site laboratory analysis, SIFT-MS provides immediate and continuous data. This capability captures short-term fluctuations in pollutant concentrations that conventional methods often miss, enabling timely detection of hazardous compounds. With SIFT-MS, organizations can identify sources with precision and respond swiftly to environmental threats, ensuring effective monitoring and safeguarding public health.


The new EPA regulations for fenceline monitoring of HON compounds demand alternative monitoring methods that achieve MDLs at least one-third of the action level for the monitored compounds. SIFT-MS exceeds these requirements with ease. Extending the duration of monitoring enhances MDLs, with improvement approximately proportional to the inverse square root of the method length. This adaptability ensures compliance with regulatory standards while maintaining operational efficiency.


Compared to EPA-specified methods like passive and canister sampling, SIFT-MS offers dramatically superior temporal resolution. This advantage makes it an invaluable tool for identifying sources when concentrations exceed action levels. Governments and industries worldwide have embraced SIFT-MS for its reliability and effectiveness. For instance, South Korea’s federal and state governments have relied on SIFT-MS for years to monitor toxic VOCs, and the U.S. EPA has adopted the technology for use in mobile laboratories.


Syft Technologies is redefining the future of environmental monitoring. Learn more about using SIFT-MS for faster, more precise, and comprehensive air quality solutions that prioritize public health and regulatory compliance.


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Improve productivity for pesticides analysis with more effective SPE


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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 filtered 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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EMAIL: The advantages of using EDXRF for


monitoring environmental contaminants EDXRF (energy dispersive X-ray fluorescence) addresses many analytical needs. It is a commonly used type of XRF because it offers a fast, reliable, and economical solution for determining elemental composition in almost any sample type.


Whether monitoring toxic heavy metals in aerosols on air filters, checking industrial waste streams, or testing soils — elemental analysis by EDXRF is an excellent choice for monitoring environmental contaminants. It is used for many screening needs and is critical for assessing potential risks posed by pollutants and toxic materials. Rigaku’s EDXRF benchtops offer non-destructive analysis of sodium to uranium, giving you versatility and flexibility. They provide quick, qualitative and quantitative elemental analysis in a wide range of matrices, from low ppm to high weight percent concentrations. Additionally, Rigaku EDXRF options meet various budget levels and occupy only a small amount of space in labs or testing facilities.


Rigaku EDXRF benchtops include the NEX CG II Series for trace-level sensitivity for complex applications and research, the NEX DE Series for high-performance and small spot analysis applications, and the NEX QC Series for routine checks and in-field use. These analyzers are easy to use, require minimal to no sample prep, and offer a low cost of ownership. The software is intuitive, with simple menu navigation, and various autosampler options are available for high-throughput measurements.


NEX CG II Series — Excel in complex applications with trace elements and variable-base matrices


The NEX CG II Series are highly versatile analysers ideal for measuring ultra-low and trace element concentrations up to percent levels. They are well-suited for trace element analysis for environmental monitoring applications, such as monitoring industrial waste streams to the sub-ppm levels, testing soils, and many others. NEX CG II Series analyzers excel in complex applications with trace elements and variable base matrices without needing a large set of calibration standards.


New Resprep FL + CarboPrep Plus SPE cartridges from Restek enhance Florisil cleanup, boosting sample throughput for pesticides >10x. The dual-bed cartridge—containing both Florisil and carbon layers—drastically reduces instrument downtime by eliminating contaminants that degrade DDT and cause inlet performance requirements to fail. Cleaner extracts mean less instrument downtime, more accurate data, and increased lab productivity. Seamlessly integrating into existing workflows, Resprep FL + CarboPrep Plus SPE cartridges use the same solvents, volumes, and steps as Florisil cleanup procedures, making it simple to switch to an SPE that significantly improves lab productivity.


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NEX DE Series — High-performance results when analysis time or sample throughput is critical


Rigaku NEX DE Series analysers are high-performance benchtops that provide a fast, simple, yet powerful means of monitoring chemicals, toxins, and heavy metals. These systems offer exceptionally low limits of detection and provide excellent spectral resolution, resulting in low single-digit ppm-level trace elements such as arsenic, cadmium, and lead.


NEX QC Series — Lightweight and do not require an external PC


The NEX QC Series analysers combine superior performance capabilities with affordability. These instruments are lightweight and compact and do not require an external PC. The intuitive touchscreen interface, built-in printer, and optional portable roller case make them easy to use and convenient for almost any setting — in the field, plant, or lab. They are ideal for routine measurements and basic QC.


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