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Simultaneous Determination of 15 Elements in Sedimentary Rock Samples by Inductively Coupled Plasma-Atomic Emission Spectrometry

Shen Bin

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Abstract

A method for the determination of 15 elements including K,Na,Ca,Mg,Fe,Mn,Ni,V,Ga,Cu,Zn,Sr,Ba,Cr and B in sedimentary rock samples by inductively coupled plasma-atomic emission spectrometry was developed.The sample was dissolved in mixed acids and an appropriate amount of mannitol was added to prevent boron from volatilization.Analytical spectrum lines were carefully selected and the instrumental operating conditions were optimized.The detection limits of the method for 15 elements were 0.0010～0.032 mg/L.The method has been applied to the determination of these elements in National Standard Reference Materials including GBW 07105～GBW 07108.The results obtained were in agreement with the certified values with recovery of 93.3%～106.0% and precision of less than 5.2%RSD(n=10).

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What this paper is about

A method for the determination of 15 elements including K,Na,Ca,Mg,Fe,Mn,Ni,V,Ga,Cu,Zn,Sr,Ba,Cr and B in sedimentary rock samples by inductively coupled plasma-atomic emission spectrometry was developed.The sample was dissolved in mixed acids and an appropriate amount of mannitol was added to prevent boron from volatilization.Analytical spectrum lines were carefully selected and the instrumental operating conditions were optimized.The detection limits of the method for 15 elements were 0.0010～0.032 mg/L.The method has been applied to the determination of these elements in National Standard Reference Materials including GBW 07105～GBW 07108.The results obtained were in agreement with the certified values with recovery of 93.3%～106.0% and precision of less than 5.2%RSD(n=10).

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Available abstract

A method for the determination of 15 elements including K,Na,Ca,Mg,Fe,Mn,Ni,V,Ga,Cu,Zn,Sr,Ba,Cr and B in sedimentary rock samples by inductively coupled plasma-atomic emission spectrometry was developed.The sample was dissolved in mixed acids and an appropriate amount of mannitol was added to prevent boron from volatilization.Analytical spectrum lines were carefully selected and the instrumental operating conditions were optimized.The detection limits of the method for 15 elements were 0.0010～0.032 mg/L.The method has been applied to the determination of these elements in National Standard Reference Materials including GBW 07105～GBW 07108.The results obtained were in agreement with the certified values with recovery of 93.3%～106.0% and precision of less than 5.2%RSD(n=10).

Key concepts: Inductively coupled plasma, Chemistry, Analytical Chemistry (journal), Volatilisation, Inductively coupled plasma atomic emission spectroscopy, Certified reference materials, Atomic emission spectroscopy, Mass spectrometry

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Simultaneous Determination of 15 Elements in Sedimentary Rock Samples by Inductively Coupled Plasma-Atomic Emission Spectrometry — Research Paper | ScholarLens