| Issue |
BIO Web Conf.
Volume 124, 2024
The 2nd International Conference on Food Science and Bio-medicine (ICFSB 2024)
|
|
|---|---|---|
| Article Number | 01008 | |
| Number of page(s) | 5 | |
| Section | Food Science and Biomolecular Engineering | |
| DOI | https://doi.org/10.1051/bioconf/202412401008 | |
| Published online | 23 August 2024 | |
Preparation of nitric oxide in carbon dioxide reference gas for food industry
Chongqing Academy of Metrology and Quality Inspection, No. 1 Yangliu North Road, Yubei District, Chongqing, China
* Corresponding author’s email: 755245093@qq.com
This article presents a weighing preparation method for reference gases of nitric oxide (NO) in carbon dioxide (CO2). High-purity standard gases - NO and CO2 are used as raw materials. The relative expanded uncertainty of concentration analytic results of NO in CO2 reference gases is 3% (k=2), which proves excellent uniformity and stability of the prepared reference gases that can be used for accuracy evaluation of analytic instruments applied to detection of NO in food additive CO2. The preparation method can also be applied to prepare other reference gases with variety of concentrations and components.
© The Authors, published by EDP Sciences, 2024
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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