| 怀地黄中微量铁的测定 |
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| 引用本文： | 斯琴格日乐,恩德,季倩祎,靖立森.怀地黄中微量铁的测定[J].广东微量元素科学,2011,18(7):40-44. |
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| 作者姓名： | 斯琴格日乐 恩德 季倩祎 靖立森 |
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| 作者单位： | 河南理工大学理化学院,河南,焦作,454003 |
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| 基金项目： | 国家自然科学基金项目(41074090); 河南省控制工程重点学科开放基金项目编号(KG2009-12) |
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| 摘 要： | 为探讨邻二氮菲分光光度法测定怀地黄中微量元素铁含量的可行性,根据铁离子与特定显色剂显色产生可见吸收的原理,采用混合酸V(HN03)+V(HClO4)=4+1对怀地黄样品湿法消化处理,在pH2-9的溶液中试剂与铁生成稳定的橙色络合物,并用分光光度法测定了怀地黄中微量元素铁含量.结果表明,怀地黄中铁含量为552.48-56...
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| 关 键 词： | 怀地黄 邻二氮菲 铁 分光光度法 |
Determination of Trace Fe in Huai Rehmannia |
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| Siqingerile,Ende,JI Qianyi,DING Lishen.Determination of Trace Fe in Huai Rehmannia[J].Trace Elements Science,2011,18(7):40-44. |
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| Authors: | Siqingerile Ende JI Qianyi DING Lishen |
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| Institution: | Siqingerile,Ende,JI Qianyi,JING Lishen(College of Physics and Chemistry,Henan Polytechnic University,Jiaozuo 454003,China) |
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| Abstract: | To discuss the feasibility determining trace iron content in Huai Rehmannia directly,according to the coloration between iron ion and the specially appointed colour-developing agent produces visible sorption,adopts to blend sour V(HNO)+V(HCIO4)= 4+1 Huai Rehmannia sample wet process digests treatment to being made by nature,reagent and iron generate the transparent stable color complex compound in pH among 2 ~ 9 solutions,in trace iron element contents Huai Rehmannia was determined by spectrophotometry.The ... |
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| Keywords: | Huai Rehmannia phenan throline ferrous spectrophotometry |
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