微波熔样-氢化物——原子荧光光谱法测定水镁石中的铅

Measurement of Lead in Water-magnesium-ore by the Method of Microwave Sample-hydride-atomic Fluorescence Spectrum

本文研究了微波熔样及氢化物-原子荧光光谱法测定水镁石中的铅的适宜条件。提出用铁氰化钾作为增敏剂,实现了盐酸-硼氢化钾-铁氰化钾体系发生烃基铅的可行性。在测定条件下,铅的线性范围0～160ng/mL,检出限为1.35ng/mL,回收率88%～111%。

The author studies the workableconditions of measurementof lead in water-magnesium-oresample-hy-dride-atomicfluorescence spectrum.The author puts forward to makeferric potassiumcyanide as sensitizer and realizes the feasibility of producing alky.Lead in the system of muriatic acid-BoronPotassiumhy-dride-ferricpotassiumcyanide,with the measurementcondition,Linear range of lead:0～160ng/mL,limit of check up:1.35ng/mL,Rate.Of recovery:88%～111%.