... concentration of elements (K, Na, Li, Ca, Ba). It can be widely applied to agriculture (soil, fertilizer, tobacoo), industry ... content simultaneous.² Operates on propane, butane or liquefied petroleum gas.² Standard accessories: air-compressor, PC software or micro- ... with numeric keypad.² Single point calibration & calibration curve can be saved.² RS232 interface, external computer or printer. With ...