ECD
The Electron Capture Detector (ECD) is selective to electronegative compounds,especially chlorinated, fluorinated, or brominated molecules. It is sensitive to some of these compounds in the parts per trillion (ppt) range. The ECD detector requires nitrogen or argon / 5% methane (P5) to operate. The ECD detector is mounted immediately adjacent to the right rear column oven wall on your SRI GC chassis. Two BNC cables connect the anode and cathode,respectively, to the ECD amplifier. The ECD detector consists of a stainless steel cylinder containing 5 millicuries of radioactive Nickel 63 in an oven enclosure that is thermostatically controllable from ambient temperature to 37°C.
FID
An FID typically uses a Hydrogen/Air flame into which the sample is passed to oxidise organic molecules and produces electrically charged particles(ions). The ions are collected and produce an electrical signal which is then measured.
This Bruker SCION 456 Gas chromatograph with 2 detectors: FID and ECD is in a great shape. It has been tested at SpectraLab Scientific.
A 90 day warranty is included.
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