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Catalytic Spectrophotometric Determination of Trace Manganese
Author(s): 
Pages: 60-62
Year: Issue:  2
Journal: Journal of Henan Vocation-Technical Teachers Colle

Keyword:  催化光度法 锰测定;
Abstract: 研究了四硼酸钠缓冲溶液(pH=9.2)中,锰(Ⅱ)催化高碘酸钠氧化苯酚红褪色的新指示反应,建立了测定痕量锰的新方法。该方法线性测定范围为0~500ng/25ml,检测限为6.1×10-10g/ml,用于茶叶、大米中痕量锰的测定,效果较好。
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