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http://sumarplant.ro/franciye/1355 Solvent extraction is the least evolved and most error-prone step in chromatographic analytical procedures. Many laboratories still use the Soxhlet method, that was developed in 1879! Microwave-assisted extraction uses closed vessels to heat the extraction solvent above its atmospheric boiling point. The elevated temperature of the solvent increases the solubility of the analyte of interest, leading to dramatically reduced extraction times. Microwave extraction is faster and produces more accurate and precise results than other methods. Typical applications of microwave-assisted solvent extraction include: chlorinated pesticides, semi-volatile organics, PAHs, PCBs, chlorinated herbicides, phenols, organophosphorus pesticides, dioxins and furans. The ETHOS X microwave cavity has a volume in excess of 70 liters, and with 1900 Watts it’s the most powerful microwave platform system available for solvent extraction. The ETHOS X is equipped with the most advanced contactless temperature sensor and controlled via a compact terminal with an easy-to-read, fullcolor, touchscreen display. The terminal runs an icon-driven, multi-language software with pre-loaded extraction methods. An entirely new instrument setup has been specifically developed to comply with the US EPA Method 3546 requirements. The fastEX-24 rotor consists of a 24-position carousel. Large pressure vessels made of the Milestone unique WeflonTM, ensures fast and homogeneous heating, providing high reproducibility and complete recovery of the target compounds. At the core of the vessel is a disposable and inexpensive 100 mL glass vial, for unsurpassed ease of use and low running costs.
Ease of use
Large sample amount in disposable glass vials
When determining organic pollutants, most environmental labs aim to achieve lower detection limits. The sample preparation technique plays a very important role in this challenge. Although new extraction technologies have been developed in recent years, they have not entirely matched the needs of environmental labs. The ETHOS X with fastEX-24 rotor extracts up to 30 grams of sample with minimal solvent volume, helping analysts to accomplish their tasks. The Milestone fastEX-24 rotor uses disposable glass vials, eliminating the need for cleaning and the possibility of memory effect between different runs. The 100 mL vials can accommodate the extraction of a large sample amount. The easy to handle and affordable cost of the vials leads to high productivity at a very low running cost.
- High productivity, 24 samples in 40 minutes
- Low running cost, substantial reduction in solvent
- Ease of use, large volume disposable glass vials
- Larger sample amount, up to 30 grams
- Consistent and reproducible results
- Full compliance with US EPA Method 3546
The US EPA Method 3546 is a procedure for extracting water insoluble or slightly water soluble organic compounds from soils, clays, sediments, sludges, and solid wastes. This method is applicable to the extraction of semivolatile organic compounds, organophosphorus pesticides, organochlorine pesticides, chlorinated herbicides, phenoxyacid herbicides, substituted phenols, PCBs, and PCDDs/PCDFs.
Consistency and Reliability
Data quality and reliability are key for environmental labs. The ETHOS X with fastEX-24 rotor provides fast, accurate and precise analysis. The unique design of the fastEX-24 rotor with its large volume disposable glass vials eliminates cross contamination and memory e¡ect, resulting in reproducible results.
The ETHOS X meets the demands for productivity required by modern environmental laboratories. While other technologies process sequentially one sample at the time, increasing the overall sample preparation time, the ETHOS X simultaneously processes 24 samples in 40 minutes!
Low running cost
With low solvent consumption and high productivity, the ETHOS X reduces the cost per analysis for the extraction of environmental pollutants. In addition, the Ethos X provides the flexibility to perform sample preparation for metals analysis on the AAS, ICP and ICP-MS.
Two different applications with a single microwave platform!
Green, greener, greenest
Microwave solvent extraction is a green process due to low solvent usage, high sample amount, lower energy consumption and the reduction of cleanup or waste disposal. The extraction process also takes place in a closed environment, eliminating user exposure to solvent vapors.