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DETERMINATION OF Mn CONTENT IN COMPLEXES BY FORMALDEHYDE OXIME METHOD
Author(s): 
Pages: 24-27
Year: Issue:  2
Journal: GUIZHOU SCIENCE

Keyword:  甲醛肟法配合物;
Abstract: 本文对用甲醛肟法测定配合物中锰含量的条件进行了详细研究,并测定了3种含锰配合物中的锰含量.结果表明,测定波长应为375nm,并非大多数文献报道的420nm.测定时试剂加入顺序很关键,应先加样品,再依次加氨水、甲醛肟、盐酸羟胺和EDTA.在0.1~2.5mg/50mL范围内,溶液的吸光度与锰含量呈良好的线性关系,线性相关系数为0.9989;回收实验表明,回收率在98.2%~102.6%之间.
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