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Study of on-the-spot rapid determination method of ranium in exploration samples from sandstone-type uranium deposits
Author(s): 
Pages: 177-182,168
Year: Issue:  3
Journal: URANIUM GEOLOGY

Keyword:  野外测定砂岩型铀矿;
Abstract: 本文研究并建立了适合野外条件下快速测定砂岩型铀矿勘查试样中铀的分析方法--密闭酸溶试样、钒酸铵容量法测定铀.采用密闭增压酸溶样,可使粒度小于0.25 mm的试样分解完全;小体积容量法提高了测定灵敏度.配合不同浓度的标准溶液可适应不同含量范围铀的测定.方法经标准物质和吐哈工区试样验证,准确度和精度较高,且操作简单,适应性广,具有实用和推广价值.
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