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Analysis on influential factors of blank fluorescence degree by hydride generation-atomic fluorescence spectrometry
Author(s): 
Pages: 1532-1533,1535
Year: Issue:  7
Journal: Chinese Journal of Health Laboratory Technology

Keyword:  氢化物发生-原子荧光光谱法 空白 因素 盐酸;
Abstract: 目的:探讨氢化物发生原子荧光光度法测定中影响空白的一些主要因素。方法:采用不同厂家、配制不同浓度的盐酸溶液,不同浓度的还原剂,不同的负高压下分别测量空白的荧光强度。结果:盐酸本身的品质对空白的荧光值影响最大。在一定浓度范围内酸度对空白荧光值的影响不大,但随着还原剂、负高压的改变空白的荧光强度有所改变。结论:选择空白本底值低的酸是保证实验数据准确可靠的基础。
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