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Fluorimetric Determination of Trace Copper in Some Kinds of Food
Author(s): 
Pages: 13-16
Year: Issue:  12
Journal: Guangdong Trace Elements Science

Keyword:   硫胺素 荧光光度法;
Abstract: 为测定食品中痕量铜,根据在碱性介质中硫胺素和铜的反应产生荧光物质,且非离子表面活性剂Tween-80对该反应有敏化作用,建立了测定部分食品中铜的荧光分析法。结果表明,相对标准偏差为1.2%,测定范围为0.004~0.040μg/mL。该法简单、快速,可直接用于食品中痕量铜的测定,结果满意。
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