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Minerals in Male Flower of Eucommia ulmoides

Xiaorong Zhang

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Abstract

The contents of 10 elements(K,Na,Ca,Mg,Cu,Fe,Mn,Zn,Pb,Cd) in male flower of Eucommia ulmoides were analyzed by atomic adsorption spectrophotometry with HNO3-HClO4 digesting system under normal temperature and pressure,and the selection for optimal analyzing conditions and precision,accuracy of proposed method were conducted.The co-relationship coefficient was 0.999,relative standard deviation was 0.95%～6.25%(n=8),and added standard recovery was 90.0%～102.0%.The results indicated that K,Ca,Cu,Fe,and Mn were rich in the flower and Zn was very low.It was also discovered that the ratios of K/Na and Cu/Zn were high.

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What this paper is about

The contents of 10 elements(K,Na,Ca,Mg,Cu,Fe,Mn,Zn,Pb,Cd) in male flower of Eucommia ulmoides were analyzed by atomic adsorption spectrophotometry with HNO3-HClO4 digesting system under normal temperature and pressure,and the selection for optimal analyzing conditions and precision,accuracy of proposed method were conducted.The co-relationship coefficient was 0.999,relative standard deviation was 0.95%～6.25%(n=8),and added standard recovery was 90.0%～102.0%.The results indicated that K,Ca,Cu,Fe,and Mn were rich in the flower and Zn was very low.It was also discovered that the ratios of K/Na and Cu/Zn were high.

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Available abstract

The contents of 10 elements(K,Na,Ca,Mg,Cu,Fe,Mn,Zn,Pb,Cd) in male flower of Eucommia ulmoides were analyzed by atomic adsorption spectrophotometry with HNO3-HClO4 digesting system under normal temperature and pressure,and the selection for optimal analyzing conditions and precision,accuracy of proposed method were conducted.The co-relationship coefficient was 0.999,relative standard deviation was 0.95%～6.25%(n=8),and added standard recovery was 90.0%～102.0%.The results indicated that K,Ca,Cu,Fe,and Mn were rich in the flower and Zn was very low.It was also discovered that the ratios of K/Na and Cu/Zn were high.

Key concepts: Eucommia ulmoides, Relative standard deviation, Chemistry, Adsorption, Analytical Chemistry (journal), Environmental chemistry, Chromatography, Detection limit

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