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System for electrothermal vaporization of samples ETV 4000c

  • Elemental Analysis
Image of System for electrothermal vaporization of samples ETV 4000c

ETV 4000c (Spectral Systems, Fürstenfeldbruck, Germany) is device for electrothermal vaporization of samples. Main part of the device is graphite furnace cooled by water and connected to ICP-OES by PTFE tube. The furnace can be heated up to 3000°C, the temperature is continuously checked by a built-in pyrometer. The furnace works in argon atmosphere, stream of argon carries vapors and dry aerosol from the furnace through a PTFE tube to the ICP-OES. A small amount of CCl2F2 (freon R12) is added into the argon stream to transform elements into their more volatile compounds. ETV 4000c is equipped with autosampler with 50 positions for graphite boats, which provides comfort when analyzing big series of samples. The gas flows are adjusted by electronically controlled valves. ETV 4000c is connected to ICP OES via computer, allowing simple synchronization of furnace operation and data collection.

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