SRITN12 - page 430

GC DETECTORS
Reduction Gas Detector - RGD
Overview
TheRGDcomeswitha10-port
gas sampling valve and 1mL
sampleloopforinjectingsamples.
Exit tube
TheRGDexit tube isnot factory
equipped with a mercury vapor
filter,sinceitwasdesignedfortrace
detection. Depending on the
concentrationofthereducinggases
inthesample,youmaywanttoadd
a filter for safety. Theamountof
mercury vapor produced is
proportionaltotheconcentrationof
reducinggases in thesample.
TheSRIReductionGasDetector is themost
sensitivedetectoravailableforhydrogen,carbon
monoxide,andotherreducinggases. Lowppb
detection limitsareachievable forhydrogen.
Detection limits in theppt rangeareachievable
forcarbonmonoxide.
10-port gas
samplingvalve
inheatedoven
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