【摘要】 基于在甲醛存在下,高锰酸钾与Fe(II)在酸性介质中发生化学发光反应,建立了流动注射化学发光测定Fe(II)分析方法,该法测定Fe(II)的线性范围为(3.0×10-9～5.0×10-5mol/L),检出限为1.0×10-9mol/L,相对标准偏差为3.5%(1.0×10-7mol/LFe(II),n=11)。该法应用于测定水样中Fe(II),结果令人满意。更多还原

【Abstract】 Chemiluminescence reaction of potassium permanganate-Fe(II) in the presence of formaldehyde as enhancer was investigated. A new chemiouminescence method for determination of trace iron with flow injection technique was developed. The linear range for iron is 3.0×10-9～ 5.0×10-5mol/L detection limit,and the relative standard deviation is 3.5% for 1.0×10-7mol/L Fe(II) in 11 repeated measurements. The method has been used to determine the content of iron in water with satisfactory results.更多还原