FIELD: calibration of gas chromatographic detectors and gas-analytic devices. SUBSTANCE: sensor has a parent substance source made in the form of pellets of fluorized graphite with intercolored parent composition and mounted within a glass tube closed at the ands by porous partitions and within a thermostated jacket with inlet and outlet unions fixed by coupling nuts with washers. EFFECT: widened dynamic range, reduced inertia and ecological safety provided. 1 dwg
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