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Issue:
Catalytic Spectrophotometric Determination of Trace Manganese
Author(s):
CHEN Huapingetal.(departmentofbasicsciences
,
SICHUAN Agriculturaluniversity
,
yaan
,
sichuan
,
625014)
Pages:
60
-
62
Year:
1999
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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