analytical chemistry Applications

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Analytical services for mining industry

by Maxxam Analytics     based in Mississauga, ONTARIO (CANADA)

Maxxam provides the mining industry with comprehensive analytical testing services including water, soil and air quality parameters. Analytical testing ranges from metal leaching and acid rock drainage, to Ecotoxicology services and environmental chemistry. We are accredited for specific analytical tests related to mining test regulations and requirements. Along with being accredited for tests such as environmental chemistry and acid mine drainage, below is an excerpt of the laboratory’s current scope of accreditations:

Laboratory Analytical - Titration Applications

by Mettler - Toledo Int. Inc     based in Greifensee, SWITZERLAND

The application chemists of the METTLER TOLEDO Analytical Chemistry market support group have prepared more than 500 of ready-made titration applications for use with the wide range of METTLER TOLEDO titrators. These proven and well-tested applications will help you to get accurate results quickly. Our online search engine allows you to search through the database.

Determination of Additives in Beverages using Ascentis Express Columns

by Sigma-Aldrich Co., LLC     based in Bellefonte, PENNSYLVANIA (USA)

Beverages, such as sodas and energy drinks, can include a number of polar ingredients, which are easily soluble in the water matrix of the drinks. These ingredients include sweeteners (sugars and sugar substitutes), caffeine, vitamin supplements, amino acids, organic acids, and plant extracts. Because the analytes are already in solution, there is no need for extensive sample preparation. Dilution followed by direct injection into an HPLC is typically suitable. In this article we present two beverage applications using Ascentis Express HPLC columns. Ascentis Express columns offer faster HPLC on any system. One benefit is their ability to produce the resolution, efficiency, and speed on conventional HPLC systems that is associated with the use of sub-2 micron columns on a UHPLC system, without generating high backpressure. Column chemistries (RP-Amide and HILIC) were selected for this article based on their enhanced performance with polar compounds in comparison to C18.

Catalysis

by Hiden Analytical     based in Warrington, UNITED KINGDOM

Hiden's modular CATLAB offers a wide range of experimental tools for catalyst researchers, from rapid dynamic screening to fully automated precise investigations of active surface chemistry & optimisation of catalytic activity. The CATLAB performs analysis using temperature programmed methods such as TPR/TPO/TPD. Pulse chemisorption is also available with the CATLAB-PCS. The integrated QGA mass spectrometer system provides for quantification of the adsorbed/desorbed species. Physical analyses such as metal surface area, catalyst dispersion and surface acidity/basicity are provided. All CATLAB & mass spectrometer sampling wetted surfaces are designed to have the widest possible compatibility for use with aggressive species. Hiden Analytical’s HPR-20 QIC mass spectrometer is available for coupling to existing catalyst reactors with integral analysis software available for TPD/TPR/TPO quantification. A range of specialized connectors & couplings optimise integration with reactor vessel

Environmental Monitoring

by MicruX Technologies     based in Oviedo, SPAIN

Environmental monitoring is becoming more important every day in local, national and international policies, showing the environmental awareness demanded by society.

This fact gives rise to an increase in the amount of legislation that obliges companies to law enforcement. Thus, the necessity of making more pollutants controls means high analysis expenses to the companies, which need to subcontract this service.

Although applications in this area advance, there is still a clear demand to get new portable and versatile analysis systems for many different application fields such as pollution in environmental or waste waters, monitoring nutrients in agricultural or horticultural water as well as general process control in chemistry industry. Because of the number of enviromental analysis required, there is a need for screening and monitoring measurements of these compounds at contaminated areas.

Traditional monitoring techniques are typically based on laboratory analysis of field-collected samples that require considerable effort and expense, and the sample may change before analysis. Moreover, the equipment currently available is too large and expensive and it cannot be made portable.Alternatively, microfluidic and electrochemical sensor technologies can contribute to the development of new portable monitoring systems, complementing standard analytical methods for different environmental monitoring applications.In this way, the decentralization and integration of all those typical analyses is the paramount importance in order to reduce cost, simplify the analytical process and make more accessible these technologies to end-users. The development of portable, robust, and accurate Lab-on-a-Chip systems to monitor priority compounds such as contaminants, explosives, chemical warfare agents, inorganic and organic ions is a demand of modern society. Portability allows analyses to be carried out outside of the laboratory, minimizing the risk of contaminating the sample and leading to a faster response time at a lower cost.

Thus, MicruX solutions and technologies open the gate to develop portable and esay-handly Lab-on-a-Chip devices in order to improve pollutants in-situ analysis in a very economic and efficient way.

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