Buck Scientific - 910C Dissolved Gas Analyzer GC, HID

Manufactured by  Buck Scientific
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The DGA GC System is designed to make dissolved gas analysis easier and less expensive than other methods. No sample ...

The DGA GC System is designed to make dissolved gas analysis easier and less expensive than other methods. No sample preparation is necessary prior to injection into the DGA GC; this helps to avoid contamination made possible by transferring the sample between various containers. The DGA GC may also be used online. For example, you could place the sample inlet tube directly into the ocean and analyze the dissolved gases in seawater.

In the DGA GC, the sample is injected by peristaltic pump through a unique gas extraction loop. The gas extraction loop consists of permeation tubing encapsulated in a trap-heated glass tube. The permeation tubing is plumbed to the sample inlet, the 10-port gas sampling valve and the waste/sample outlet. When the sample is pumped through the gas extraction loop, the dissolved gases permeate through the membrane into the extraction chamber.

Solenoid valves are included for purging the gas extraction loop with helium between runs. By reconnecting a few tubing lines, the DGA GC can be configured to prepare dissolved gas standards. A Tedlar bag, or other container, filled with gas standard of a known concentration is connected to the standard pump.

The standards preparation vessel is filled with sample liquid, such as sea water or waste water. The standard pump bubbles gas standard into the standards preparation vessel, equilibrating the liquid over time to the known concentration. Equlibration takes about one hour.

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Features of 910C Dissolved Gas Analyzer GC, HID
  • HID, FID and/or TCD Detectors
  • Built-in PeakSimple data system
  • Built-in Standards Preparation Module–make your own standards
  • 10-port gas sampling valve
  • Gas extraction loop on the compact 910 chassis
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