Abstract: A flame-photometric detector burner of a gas chromatograph employing a system of two nozzles arranged in relation to each other for securing mutual flame jump-over from one nozzle onto the other one, and vice versa. One nozzle is designed to supply carrier gas with the substance to be analyzed, and the other is designed to only supply an oxidizer. The outlets of both nozzles are arranged within a hydrogen stream in a cavity of a combustion chamber of a detector block. The nozzle where only the oxidizer is supplied can be electrically insulated from the detector block, and connected to a high-voltage source.