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2009•Chinese Journal of Spectroscopy LaboratoryRequires access

Determination of Contents of Metal Elements in Medofenoxate by FAAS

Xie Hong

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Abstract

The content of Ca,Cu,Mg,Fe,Zn,K,Mn,Na in the rhizome,stalks,leaf of medofenoxate were measured and analyzed by flame atomic absorption spectrophotometry(FAAS)with digestion of HNO3+HClO4.The recovery is between 99% and 109.6% and the standard deviation of measurement is in the range of 0.2%—1.8%.There are significant difference in the contents of 8 metal elements of medofenoxate.The content in rhizome is in the order of CaMgKFeNaMnZnCu.The content of K is high in the leaf and there are rich content of Ca,Cu,Mg,Fe,Zn,K,Mn,Na in different parts of medofenoxate different parts of medofenoxate all have certain application value.

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What this paper is about

The content of Ca,Cu,Mg,Fe,Zn,K,Mn,Na in the rhizome,stalks,leaf of medofenoxate were measured and analyzed by flame atomic absorption spectrophotometry(FAAS)with digestion of HNO3+HClO4.The recovery is between 99% and 109.6% and the standard deviation of measurement is in the range of 0.2%—1.8%.There are significant difference in the contents of 8 metal elements of medofenoxate.The content in rhizome is in the order of CaMgKFeNaMnZnCu.The content of K is high in the leaf and there are rich content of Ca,Cu,Mg,Fe,Zn,K,Mn,Na in different parts of medofenoxate different parts of medofenoxate all have certain application value.

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Available abstract

The content of Ca,Cu,Mg,Fe,Zn,K,Mn,Na in the rhizome,stalks,leaf of medofenoxate were measured and analyzed by flame atomic absorption spectrophotometry(FAAS)with digestion of HNO3+HClO4.The recovery is between 99% and 109.6% and the standard deviation of measurement is in the range of 0.2%—1.8%.There are significant difference in the contents of 8 metal elements of medofenoxate.The content in rhizome is in the order of CaMgKFeNaMnZnCu.The content of K is high in the leaf and there are rich content of Ca,Cu,Mg,Fe,Zn,K,Mn,Na in different parts of medofenoxate different parts of medofenoxate all have certain application value.

Key concepts: Rhizome, Chemistry, Metal, Atomic absorption spectroscopy, Relative standard deviation, Analytical Chemistry (journal), Standard addition, Nuclear chemistry

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