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Theme content and scope of application This standard specifies the determination method for saccharin sodium in food This standard is applicable to the determination of saccharin sodium in food Minimum detection amount: The sampling amount for high-performance liquid chromatography is 10 g, the injection amount is 10 g, and the minimum detection amount is 1.5 ng Chapter 1 High Performance Liquid Chromatography (First Method) Principle The sample is heated to remove carbon dioxide and ethanol, adjusted to pH near neutral, filtered, and then fed into a high-performance liquid chromatography. After separation by reverse phase chromatography, qualitative and quantitative analysis is performed based on retention time and peak area. The sampling amount is 10g, and the injection amount is 10 μ The minimum detectable amount at L is 1.5 ng Function of testing report:1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report 2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms 3. Used as a sales report: issuing legally effective testing reports to make consumers more confident 4. Papers and research: Provide professional personalized testing needs 5. Judicial services: providing scientific, fair, and accurate testing data 6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problems100% inspection and testing process:1. Telephone communication and confirmation of requirements 2. Recommend solutions and confirm quotations 3. Mail samples and arrange testing 4. Progress tracking and result feedback 5. Provide reports and after-sales service 6. If urgent or priority processing is requiredTesting and testing characteristics:1. The testing industry is fully covered, meeting different testing needs 2. Fully cover the laboratory and allocate localized testing nearby3. Engineers provide one-on-one services to make testing more accurate 4. Free initial testing, with no testing fees charged 5. Self service order delivery for free on-site sampling 6. Short cycle, low cost, and attentive service 7. Possess authoritative qualifications such as CMA, CNAS, CAL, etc 8. The testing report is authoritative and effective, and is generally used in China
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