含铬钨酸锌单晶中铬浓度及其分布的测定

DETERMINATION OF THE CHROMIC CONCENTRATION AND DISTRIBUTION IN ZINC TUNGSTATE CRYSTALS BY EMISSION SPECTROCHEMICAL ANALYSIS

用发射光谱分析方法定量测定钨酸锌晶体中铬的浓度。相对标准偏差为8%左右,样品测定的回收率在98—104%之间。

The method of Atomic Emission Spectrochemical analysis for quantitative determination of chromic concentration in ZnWO_4: Cr^(3+) crystals is described. The effect of distribution of Cr^(3+) ion in ZnWO_4: Cr^(3+) crystals and the longitudinal distribution of Cr^(3+) concentration has been measured also by AES. The relative standard deviation is about 8%. The recovery of this method is 98—104%.