1. How to collect apple samples? 2. How to collect packaged food samples? 3. How to collect aquatic products? 4. How to collect livestock and poultry meat?

Collect grain samples according to GB549 1- 1985. When packing, it is usually collected by sampler, and pay attention to the latitude and longitude lines. But now many small packages are packed in plastic. Generally, randomly select 1-2 generations as samples or press up and down to extract 2 kg samples when opening bags. This standard is lagging behind and no one has revised it.

Apple series is suitable for GB/T8855-2008.

Aquatic products suitable for raw animal aquatic products refer to fresh or frozen animal aquatic products that can be eaten directly without heating after being cleaned before eating. Including live, fresh and frozen fish (slices), shrimp, cephalopods, live crabs, live shellfish and so on. It mainly includes fish, crustaceans and molluscs. Unpackaged food

Use sterile sampling tools to take samples on site and put them into sterile sampling containers.

Send it to the laboratory for inspection as soon as possible under the condition close to the original storage temperature. Non-frozen samples should be tested as soon as possible after collection. If it cannot be inspected in time, it should be stored in a refrigerator at 2℃ ~ 5℃ and inspected within 24 hours. Frozen samples should be thawed for no more than 15 min below 45℃ or for no more than 18 h at 2℃ ~ 5℃. If they cannot be inspected in time, they should be stored at about-15℃. Once thawed, don't freeze it again, just keep it cool.

For unlabeled or incompletely labeled bulk food, the sampling personnel should ask and record the information such as the place of origin, manufacturer, shelf life and storage temperature.

Stereotyped packaged food

Take the smallest original retail package in the same batch, and keep the integrity of the package before inspection to avoid pollution.

Send it to the laboratory for inspection as soon as possible under the condition close to the original storage temperature. Non-frozen samples should be tested as soon as possible after collection. If it cannot be inspected in time, it should be stored in a refrigerator at 2℃ ~ 5℃ and inspected within 24 hours. Frozen samples should be thawed for no more than 15 min below 45℃ or for no more than 18 h at 2℃ ~ 5℃. If they cannot be inspected in time, they should be stored at about-15℃. Once thawed, don't freeze it again, just keep it cool.

Livestock and poultry meat shall be collected in accordance with the Sampling Specification for Pollution-free Agricultural Products Part VI Sampling Specification for Livestock and Poultry Products.

Look at that. The standards in our country are not published or promoted, but only sold for money. Causes enterprises and consumers not to understand and not to implement.