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Preparation of Food Samples Using Homogenization and Microwave-Assisted Wet Acid Digestion for Multi-Element Determination with ICP-MS
Published on: December 22, 2023
[Determination of trace elements in natural grapestone by inductively coupled plasma atomic emission spectrometry]
Song-jun Wang1, Ping Chang, Pu-jun Wang
1College of Earth Science, Jilin University, Changchun 130061, China. wangsongjun@sina.com
Abstract:
Determination of trace elements in natural grapestone was studied by inductively coupled plasma atomic emission spectrometry (ICP-AES). Comparison was made between dry incineration and acid clearing up in terms of interference of organic component in natural grapestone. By analyzing the plant standard substance GBW 07603(National Standard Substance), the data show that HNO3-HClO4 disposed samples are better than dry incinerated ones. The accuracy is 1. 06-8. 82, the precision is 1. 35%-8. 88%. The comparative experiment of trace elements determination was carried out for grapestone and herbs. The data show that grapestone is valuable for medicine and nutrition.
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