| 摘要 |
PROBLEM TO BE SOLVED: To simply alter the inner diameter of a nozzle optimum to an analyzing condition in a flame photometer for a gas chromatograph. SOLUTION: A detachable nozzle center is provided to the leading end part of the nozzle for ejecting a mixture gas of a column outflow gas and a fuel gas in a FRD detector of the gas chromatograph to provide a plurality of nozzle centers different in inner diameter. By this constitution, the inner diameter of the nozzle can be altered simply without replacing a nozzle main body by selecting the fittable nozzle center. COPYRIGHT: (C)2005,JPO&NCIPI
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