ICP-MS Determination of Trace Amount of Aluminum in Medium and Low Alloy Steels

WANG Yan-ping; CHEN Ying-ying; NIE Ling-qing; JI Hong-ling; LAN Ming-bo

PHYSICAL TESTING AND CHEMICAL ANALYSIS PART B:CHEMICAL ANALYSIS > 2008 > 44(2): 115-118.

WANG Yan-ping, CHEN Ying-ying, NIE Ling-qing, JI Hong-ling, LAN Ming-bo. ICP-MS Determination of Trace Amount of Aluminum in Medium and Low Alloy Steels[J]. PHYSICAL TESTING AND CHEMICAL ANALYSIS PART B:CHEMICAL ANALYSIS, 2008, 44(2): 115-118.

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ICP-MS Determination of Trace Amount of Aluminum in Medium and Low Alloy Steels

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Received Date: December 09, 2006

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ICP-MS was applied to the direct determination of trace amount of aluminum in medium and low alloy steels,and analytical parameters of the instrument were optimized.Digestion technique assisted with microwave heating was used in the sample pretreatment with an acid mixture of conc.HNO3,conc.HCl and conc.HF in a ratio of 3 to 1 to 1 by volume.The operation programe and parameters of the microwave oven were described in detail.Detection limit (n=11) of this method was found to be w(Al) 1.9×10-6%.Precision tested at the concentration level of w(Al) 1.4×10-4% gave RSD values of less than 6%.
- ICP-MS,
- Microwave heated sample digestion,
- Aluminum,
- Medium and low alloy steel

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