GB 4789.18-2024 English PDF (GB4789.18-2024)

This standard specifies the sampling and sample processing methods for milk and milk products. This standard applies to the sampling and sample processing of milk and milk products. 2 Equipment and materials 2.1 Sampling tools Sampling tools shall be made of stainless steel or other materials of appropriate strength, with smooth surfaces, rounded corners, and no gaps. Sampling tools shall be cleaned, sterilized, and kept dry before use. Sampling tools include stirring utensils, sampling spoons, scoops, cutting wires, scissors, knives (knives or spatulas), sampling drills, etc. 2.2 Sample container The material (such as glass, stainless steel, and plastic) and structure of the sample container shall be able to fully ensure the original state of the sample. Containers and lids shall be clean, sterile, and dry. The sample container shall be of sufficient volume so that the sample can be fully mixed before testing. Sample containers include sampling bags, sampling tubes, sampling bottles, etc. 2.3 Other supplies The alcohol lamp, thermometer, aluminum foil, sealing film, markers, sampling registration form, etc. are included. 3 Sampling 3.1 Sampling principles and sampling plans Sampling principles and sampling plans shall be implemented in accordance with the provisions of GB 4789.1. The number of sampling pieces n shall be implemented in accordance with the GB 4789.18-2024 www.ChineseStandard.net ? Buy True-PDF ? Auto-delivery Page 5 of 8 requirements of relevant food safety standards. The sampling volume of each sample shall not be less than 5 times the sample of the inspection unit, or determined according to the purpose of inspection. The following specifies the sampling requirements for a food sample. 3.2 Raw milk 3.2.1 The samples shall be mixed as fully as possible, and samples shall be taken immediately after mixing. Use sterile sampling tools to collect samples from the same batch (here specifically refers to individual milk storage tanks or milk storage t...