The Agilent Flame Photometric Detector Plus (FPD Plus) utilizes new photomultipliers, proprietary deactivation treatments, and other design enhancements to decrease MDLs when used in sulfur or phosphorus modes.In addition, these enhancements raise the FPD Plus maximum operating temperature. These capabilities are also available with the dual-wavelength version, the Agilent Dual Flame Photometric Detector Plus (DFPD Plus).