超声消解ICP-AES测定铝合金中硅元素含量

doi:10.3969/j.issn.1000-1158.2024.05.20

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Abstract Determination of silicon content in aluminum alloys using ultrasonic sealed digestion-inductively coupled plasma atomic emission spectrometry was established.By optimizing the digestion conditions of the sample,screening the ultrasonic intensity,sealing conditions,ultrasonic temperature,ultrasonic time,and acid concentration,and selecting appropriate analytical spectral lines,the medium content of silicon element was determined.Precision and accuracy experiments were conducted on aluminum alloys ZLD105,ZBY5291 and ZBY5091 with different silicon contents.The relative standard deviation (SRSD) was 0.3%~0.7%, and the recovery rate was 98.9% ~101.0%.This method is low-cost,fast,accurate,and convenient for analysis,and can be applied to actual sample testing.

Key words： chemistry metrology ultrasound closure digestion inductively coupled plasma-atom emission spectrum aluminum alloy silicon

Received: 09 November 2023 Published: 23 May 2024

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TB99

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	KONG Shengnan
	XU Shi

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KONG Shengnan,XU Shi. Determination of Silicon Content in Aluminum Alloy by Ultrasonic Digestion-Inductively Coupled Plasma Atomic Emission Spectrometry[J]. Acta Metrologica Sinica, 2024, 45(5): 755-760.

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http://jlxb.china-csm.org:81/Jwk_jlxb/EN/10.3969/j.issn.1000-1158.2024.05.20 OR http://jlxb.china-csm.org:81/Jwk_jlxb/EN/Y2024/V45/I5/755

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