Explain the operating steps of the veterinary drug residue detection instrument
The veterinary drug residue detection instrument can detect whether edible products are reasonable. The rationality of products containing residues depends on whether the residual content in the product exceeds the standard and whether prohibited veterinary drugs are used. Not all products containing residues are harmful food. As long as the residual content is below the standard according to the standard requirements, they are edible.
The veterinary drug residue detection instrument can accurately determine whether the product's veterinary drug residue exceeds the standard. The instrument is convenient to detect, easy to operate, portable, and can adapt to the detection requirements of different products. The operation steps are as follows:
1. Power on: Press and hold the "on/off" button to turn on the device. After turning on, the instrument will preheat and the bright spot will flash; Press the [Mode] key to switch to "Temperature". When the temperature reaches 40 ℃, the instrument emits a prompt sound, indicating that preheating is complete and testing can begin.
2. Loading: Fold the speed test card along the centerline and unfold it, then place it on the heating plates of each channel under the pressure paper strip. The position of the speed test card should be accurately placed.
3. Sampling: Select the sample that needs to be tested with a veterinary drug residue detection instrument, cut it into fragments of about one square centimeter, take 5 grams and put them into a capped bottle, add 10ml of pure water or buffer solution, shake and let it stand for two minutes, and at the same time make a blank control of pure water or buffer solution. Use a pipette to add the sample solution to the white pill for testing.
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