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Analytical Instrumentation New Termal Desorption/Extraction Autosampler
CDS Analytical (USA) has introduced the TDA-9300 Thermal Desorption/Extraction Autosampler which is capable of running straight sorbent tubes or doing dynamic headspace. Temperatures are programmable to 375ºC. This unit is perfect for desorbing sorbent tubes for hydrocarbons in air, or doing emissions studies on solids or viscous liquids. This unique autosampler is able to handle tubes from 3” to 7 1/2” long and with ODs of 3mm to 16mm. High temperature capabilities allow thermal desorption/extraction of high boiling compounds like PAHs and PCBs.
Additional features include the ability to add dynamic headspace stations, a sample saver and peltier cooling capabilities. The sample saver allows the split and recollection of samples for additional analysis or archiving. The newly introduced optional headspace station allows for dynamic headspace analysis in a 10 ml culture tube on the same unit that is running thermal desorption tubes. The unit features computer control, automatic leak checking, rapid heat rates, and interchangeable stations providing the most flexibility on the market.
Reader Reply Card No World Class Viscosity Training
Brookfield (USA) offers two courses that provide users of their instrumentation with the hands-on knowledge to get the most out of their viscosity test methods. These day-long training sessions are presented in easy-to-understand terms that give attendees the working know-how to verify and improve upon the data required for meaningful R&D and successful QC testing. These courses are offered at Brookfield’s facility in Middleboro, MA., and at major metropolitan areas across the U.S.A. Arrangements can also be made to conduct the course at customers’ facilities where content can be adapted to their specific product applications.
The Practical Course on Viscosity Measurements provides attendees with the tools and concepts they need to make the most precise viscosity measurements possible. The course is designed to benefit operators at all levels of experience. Participants are encouraged to bring product samples for testing where hands-on time is provided in a relaxed laboratory environment. The Applied Course on Viscosity Test Methods is designed for the intermediate to advanced Brookfield Instrumentation user in R&D, Analytical, and Process Engineering functions. Focusing on test methods and techniques, it will review and discuss how Brookfield rotational viscometers and rheometers can be used to provide meaningful product analysis. The course takes you beyond pass/fail criteria, to an understanding of how to apply viscometric data as a problem solving and product performance/processing tool.
Reader Reply Card No A New Solution for LPG Analysis Based on Gas Chromatography
Determining impurities in LPG is a known analytical challenge, both for a quantitative as a qualitative detection. Current methods used for the analysis of LPG, ASTM D 2158 and ISO 13757, bring along severe safety risks and are labor intensive.
The solution for a safe and accurate LPG analysis is the “High Pressure Injector (HPI)” developed by Shell Global Solutions in close cooperation with Da Vinci Europe Laboratory Solutions (The Netherlands). By injecting directly on the GC column under high pressure this special injector prevents any discrimination and fractionation, which will occur when using a vaporiser and heated transfer line. The HPI enables to inject up to 50 Bar for samples with a volume of 50 to 500 ul. As it does not require an LPG vaporisation, the analysis time and safety risks are considerably reduced. In addition the injector requires minor maintenance and is very easy to use.
Reader Reply Card No Versatile LPG Analyser
Netherlands based G.A.S (Global Analyser Solutions) offers a LPG analyser with dedicated external Pressure Facility. This instrument analyses hydrocarbons and sulphur components in various liquefied streams. All system parts like pressurising valve and liquid injection valves are well integrated in GC hardware and GC method. The Pressure Facility controls the pressure in the liquid injection valve during injection, and
guarantees highly quantitative data in this way. The unit can also be configured as vaporiser, when LPG samples need to be injected using a gas sampling valve.
Reader Reply Card No 49 48 47 46
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Thanks, PIN. Reader Reply Card No 50
February/March 2010
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