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[Study on certified reference material of iodine in kelp]
Longgen Lu1, Yaling Qian, Xiujing Lu
1Zhejiang Academy of Medical Sciences, Hangzhou 310013, China.
Wei Sheng Yan Jiu = Journal of Hygiene Research
|December 23, 2004
Summary
A certified reference material for iodine in kelp was developed for accurate analysis in food, medicine, and trade. This material ensures reliable iodine quantification across various sectors, supporting quality control and regulatory compliance.
Area of Science:
- Analytical Chemistry
- Materials Science
Context:
- Accurate iodine quantification is crucial for food safety, agricultural products, and medicinal applications.
- Standardized analytical methods and reference materials are essential for reliable iodine monitoring in trade and industry.
Purpose:
- To design and prepare a certified reference material (CRM) for iodine in kelp.
- To ensure accurate analysis, monitoring, and evaluation of iodine content in kelp.
Summary:
- A kelp-based analytical reference material for iodine was developed and certified using multiple methods including neutron activation and ICP-MS.
- Statistical analysis confirmed normal distribution of certified crude data.
- Certified mean values for low and moderate iodine content were 9.3 µg/g and 85.7 µg/g, respectively, with standard deviations of 0.9 µg/g and 4.9 µg/g.
Impact:
- Facilitates accurate iodine analysis in kelp for quality control in food, agriculture, and pharmaceutical industries.
- Supports technical training, method validation, and regulatory compliance for iodine content assessment.
- Enhances the reliability of iodine measurements in international trade of kelp products.