Green Cap PET Glass Sodium Or Lithium Heparin Tube

   The blood collection tubes contain heparin. Heparin has a direct antithrombin effect and can prolong the coagulation time of the specimen. It is used in emergency and most biochemical experiments, such as liver function, kidney function, blood lipids, blood sugar, etc. It is suitable for red blood cell fragility test, blood gas analysis, hematocrit test, erythrocyte sedimentation rate and general biochemical determination, but not suitable for blood coagulation test. Excessive heparin will cause aggregation of white blood cells and cannot be used for white blood cell counting. Because sodium heparin blood collection tubes can make the background of the blood film light blue after staining, it is also not suitable for white blood cell classification. Lithium heparin blood collection tubes can be used for blood rheology. The sample type is plasma. After blood collection, immediately invert and mix 5-8 times, and take the upper plasma for use. 

1. This green sodium heparin tube is often used for micronutrient testing in children because heparin prevents the formation of prothrombin and platelet aggregation.

2. It is important to note that sodium and lithium heparin tubes should not be used when testing for sodium ions in the specimen; they should also not be used for white blood cell counting and sorting because heparin can cause white blood cell aggregation.

3. Green Cap Heparin Tube is made of PET plastic or Glass tube, it can do 13x75mm, 13x100mm and 16x100mm sizes.

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