What kind of pet hospital biochemistry red head tube

The inner wall of the blood collection tube is evenly coated with an agent (silicone oil) to prevent hanging. The principle of natural coagulation of blood is used to make the blood coagulate, and the serum is centrifuged for use after natural precipitation. Clinically used drugs are: serum potassium, sodium, chlorine, calcium, phosphorus, AIDS testing, tumor markers, AIDS testing, tumor markers, serum immunology