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2011•Chinese Journal of Analysis LaboratoryRequires access

Determination of trace amounts of elements in high purity titanium by ICP-MS

Caixia Chen

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Abstract

A new method for the determination of trace amounts of elements Be,V,Co,Ni,Ga,Mo,Nb,Cd,Sb,Tl,Pb in high-purity titanium by ICP-MS was developed.ICP-MS operating parameters and conditions were optimized and selected.Titanium samples were digested with HF and HNO3.The solution was detected directly by ICP-MS with Sc,Cs and Re as internal standard.Detection limit and minimum limit of determination of the method were 0.03~0.1ng/mL and 0.2~0.5ng/mL,respectively.The recoveries ranged from 92.5% to 117%.Using the method to analyze the high-purity titanium,the results show that the method has good accuracy and precision,and it can meet the requirements of trace analysis.

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What this paper is about

A new method for the determination of trace amounts of elements Be,V,Co,Ni,Ga,Mo,Nb,Cd,Sb,Tl,Pb in high-purity titanium by ICP-MS was developed.ICP-MS operating parameters and conditions were optimized and selected.Titanium samples were digested with HF and HNO3.The solution was detected directly by ICP-MS with Sc,Cs and Re as internal standard.Detection limit and minimum limit of determination of the method were 0.03~0.1ng/mL and 0.2~0.5ng/mL,respectively.The recoveries ranged from 92.5% to 117%.Using the method to analyze the high-purity titanium,the results show that the method has good accuracy and precision,and it can meet the requirements of trace analysis.

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Available abstract

A new method for the determination of trace amounts of elements Be,V,Co,Ni,Ga,Mo,Nb,Cd,Sb,Tl,Pb in high-purity titanium by ICP-MS was developed.ICP-MS operating parameters and conditions were optimized and selected.Titanium samples were digested with HF and HNO3.The solution was detected directly by ICP-MS with Sc,Cs and Re as internal standard.Detection limit and minimum limit of determination of the method were 0.03~0.1ng/mL and 0.2~0.5ng/mL,respectively.The recoveries ranged from 92.5% to 117%.Using the method to analyze the high-purity titanium,the results show that the method has good accuracy and precision,and it can meet the requirements of trace analysis.

Key concepts: Detection limit, Chemistry, Titanium, Inductively coupled plasma mass spectrometry, Chromatography, TRACE (psycholinguistics), Trace Amounts, Analytical Chemistry (journal)

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