The ion effect for photoacoustic absorption measurement in solution is investigated. At 532nm the photoacoustic signals of Co~(2+)and monocrystalline silicon were determincd in 16 kinds of electrolyte solution.

• 在532nm(YAG倍频激光)波长下,分别以CO~(2+)和单晶硅片为吸光介质测定了在16种电解质存在下,溶液光声信号强度变化。