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[Objective] To determine the content of six metal elements like Ca,Mg,Fe,Zn,Cu and Mn in M.officinalis leaves.[Method] Digested with HNO3-HCIO4 mixed acid(V/V,5:1),the content of Ca,Mg,Fe,Zn,Cu and Mn in M.officinalis leaves was determined by flame atomic absorption spectrometry(FAAS).[Result] The content of Ca,Mg,Fe,Zn,Cu and Mn in M.officinalis leaves was 580.57,278.63,177.21,16.70,1.02 and 8.25 mg/kg,respectively.[Conclusion] The FAAS method is simple,rapid and accurate to determine the content of six metal elements in M.officinalis leaves.The study can provide useful data for exploring the relationship between the content of metal elements and pharmacological actions in M.officinalis leaves.
[Objective] To determine the content of six metal elements like Ca, Mg, Fe, Zn, Cu and Mn in M. officinalis leaves. [Method] Digested with HNO3- HCIO4 mixed acid (V / V, 5: 1) content of Ca, Mg, Fe, Zn, Cu and Mn in M. officinalis leaves was determined by flame atomic absorption spectrometry (FAAS). [Result] The content of Ca, Mg, Fe, Zn, Cu and Mn in M. officinalis The results are simple, rapid and accurate to determine the content of six metal elements in M. officinalis leaves. The study can provide useful data for exploring the relationship between the content of metal elements and pharmacological actions in M. officinalis leaves.