• Products and Technologies For Air, Water and Soil

Environmental Laboratory

Products and Technologies For Air, Water and Soil

Jul 30 2014

Sigma-Aldrich (USA) provide a premier selection of proven tools and consumables that meet the needs of scientists who perform sample collection and analysis of contaminants in air, water, and soil matrices.

For air monitoring, Sigma-Aldrich offer the widest range of carbonyl sampling devices on the market, with 7 different packed cartridge configurations and 18 products. They also offer innovative radial passive sampling devices, radiello and DSDDNPH; LpDNPH coated filters; impingers and solutions; and other adsorbents for sampling carbonyls.Sigma also offer a range of devices for active, passive and whole air sampling for BTEX and VOCs, pesticides and hydrogen sulphide. Thermal desorption tubes and gas sampling bags rank among the most widely used sampling choices, with radiello passive sampling devices emerging as a reliable alternative or complement to these other options. Also available for your air sampling needs are gas sampling bags, pumps and flowmeters; the PAS-500 Micro Air Sampler, pocket-sized for ease of use and transportability, the Model 1067 Dual Channel Tube Sampler for quick, clean sample collections of low ambient air and high vacuum VOC’s vapour collection, and the Escort Elf Twin Port Sampler Model 1067 Dual Channel Tube Sampler, designed for low flow industrial hygiene sampling, such as gas and vapour monitoring.

Sigma-Aldrich offer containers suitable for the collection of samples for volatile analysis and other types of testing. The sampling containers are cleaned according to US EPA protocol B and are available in amber and clear glass. 40 mL Pre-cleaned Vials, used for the collection of water samples for VOC analysis per a variety of methods, are provided with a Certificate of Analysis (COA) and a package of labels for each vial. The vials are shrink wrapped after cleaning to maintain their integrity. Larger volume containers are also available, in both narrow and wide mouth. All containers come with PTFE lined polypropylene caps.

Solid and water samples can be prepared for the analysis of environmental contaminants using a variety of techniques as described in various EPA methods. Sigma-Aldrich offers a full line of glassware, solvents, and spiking solutions suitable for these techniques. If extracts require cleanup prior to analysis, the Supelclean-ENVI line of solid phase extraction (SPE) tubes and materials are designed for use with environmental samples. Relevant Methods: US EPA 3540, 3541, 3550, 3510, 3520, 3535, 508, 608, 525, 625, and many additional methods. Sigma-Aldrich also offers several brands of high-purity solvents suitable for environmental testing. These include their CHROMASOLVR Plus and pesticide residue grade (PRA) product lines, suitable for environmental testing and tested for purity.

This is but a small selection of what Sigma-Aldrich has to offer – to find out more about the extensive range of products for air, soil and water sampling please get in contact, request a brochure or visit the website. 


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