Which test center does sheet test go to
Hello: questioner: the method of sheet detection is as follows:
13.1 pour the nutrient agar medium dissolved and cooled to 50-55 ℃ into the sterilized special stamp plate (make the plate inside the plate 2-3 mm higher than the edge of the plate), each plate is about 10 ml, after coagulation, cover the plate (cover and medium separated by a certain space), turn the plate, Store at 4 ℃ for later use
13.2 put the tested object flat, then open the dish cover, put it on the surface of the tested object, gently press it by hand for 3-4s, take it off, cover the dish cover, put it in 37 ℃ incubator, observe the results after 24 hours, and count the number of bacterial colonies
14 results the number of colonies on the surface of the culture medium was counted by naked eye observation, and the total number of bacteria was 10cm. This method is simple, reliable and can be used for bacterial culture directly
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