Exported peanuts, grains and their products/mycotoxin testing

This standard specifies the determination of aflatoxin B, B, G, G, ochratoxin A, fumatoxin B, deoxynivalenol, T-2 toxin, and HT-2 toxin in exported peanuts, grains, and their products. This standard specifies the determination of aflatoxin B, B, G, ochratoxin A, fumatoxin B, deoxynivalenol, T-2 toxin, and HT-2 toxin in exported peanuts, grains, and their products - liquid chromatography mass spectrometry/mass spectrometry detection method. This standard is applicable to the determination of aflatoxin B, B, G, G, ochratoxin A, fumatoxin B, deoxynivalenol, T-2 toxin, and HT-2 toxin in exported peanuts, grains, and their products. 2. Sample Preparation 2.1 Solid Sample Preparation: Reduce the sample to 1 kg using the quartering method, grind it all to a particle size of less than 2 mm, mix well, and divide it into two parts as the sample. Place each part in a clean container, seal it, and mark it. During the sampling and sample preparation process, it is necessary to prevent contamination or changes in residual content of the sample. 2.2 Sample Storage: Store the sample in a dark place at 4 ℃. The sample was extracted with PBS solution and methanol water solution. The extract was diluted and filtered, and purified with an immunoaffinity column. Impurities on the immunoaffinity column were removed by elution. Subsequently, the eluent was passed through the column to separate the target substance, which was then dried with nitrogen and fixed to volume. Quantitative analysis using liquid chromatography-mass spectrometry/mass spectrometry and external standard method

Function of testing report:

1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report

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BAIJIAN 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 required

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7. Possess authoritative qualifications such as CMA, CNAS, CAL, etc

8. The testing report is authoritative and effective, and is generally used in China