New Soil/Water Purge and Trap Autosampler Offers Great Reproducibility and Compatibility with a Variety of Concentrators
28 Jan 2013The new CDS-7400 soil/water purge and trap autosampler offers great reproducibility and compatibility with a variety of purge and trap concentrators. The system features a 72 position autosampler with three removable trays of 24 vials and automated water addition of 5 mls for soil samples.
The autosampler features also include internal standard addition (for soils and water), soil heating and stirring capabilities, a pick and place robotic arm, and a separate water station for transfer of water to the sparge vessel of the attached purge and trap. Designed for compatibility with the CDS-7000 Purge and Trap Concentrator, the CDS-7400 can also be used in conjunction with OI, Tekmar, EST, or CDS purge and trap concentrators.
The CDS-7400 chemically inert sample pathways are made of PEEK® and Silconert®. The system offers a computer interface and the ability to change analysis matrix from tray to tray. The CDS-7400 autosampler is compliant with EPA Methods 524, 624, SW846 Methods 8015, 8021, 8260/5030 and 8260/5035.
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CDS Model 7400 Autosampler
CDS Analytical, Inc.Soil and Water Modes • 72 position autosampler, with removable sample trays for 40 ml VOA Vials, 3 trays of 24 • Internal Standard addition (2 μl) (soil samples require water addition) • Automated water addition in 5 ml aliquots (requires 5 ml sample loop) • Soil heater to 80°C • Magnetic stirrer (3 speed control) • The chemically inert sample pathways are made of PEEK®, Stainless Steel, glass, or electroformed nickel • Computer interface • Ability to change analysis matrix from tray to tray (manual or automatic options) Features• Pick and Place robotic arm • 3 removable trays (72 sample) • Water Station - for transfer of water to Purge and Trap • Soil Mode - includes sample heating and stirring for dynamic headspace • Internal standard reservoir • Chemically inert sample pathway • 5 ml water addition loop (behind the autosampler) • Removable pneumatics/plumbing tray (behind the autosampler)