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Additive for blood collection - potassium oxalate
Category : Other Chemicals/Others
CAS NO : 6487-48-5 EC NO : 209-506-8;209-506-8 MF : K2C2O4 MW : 166.2 Specification : White Powder Packing : 500g/bottle Product description : In vacuum blood collection, there are many reagents that can be added, such as serum separation gel, anticoagulants, coagulants, etc. Among them, anticoagulants include heparin series and EDTA series products. However, in addition to these series of anticoagulants, there is also an anticoagulant called potassium oxalate, which is relatively rare but widely used. Few people in daily life know its anticoagulant principle as an anticoagulant, so here we will focus on introducing it. In fact, the obvious advantage of potassium oxalate as an anticoagulant is its solubility. After blood collection, potassium oxalate in the test tube dissolves and separates oxalate ions, which react with calcium ions in the blood sample to form calcium oxalate precipitates, thereby achieving anticoagulant effects. The use of potassium oxalate for anticoagulation is usually done at a concentration of 0.1mol/L in a ratio of 1:9 to blood. However, due to the high concentration of potassium and sodium ions, it is easy to cause dehydration and contraction of blood cells, while ammonium ions can cause blood cell swelling. Therefore, when measuring blood cell volume without interfering with the morphology and volume of red blood cells, the potassium oxalate anticoagulant must be properly mixed with the blood ratio in the test tube. However, it should be noted that although potassium oxalate is commonly used in blood testing, it cannot be used to determine all components in the blood. Therefore, it is not suitable for the determination of potassium and calcium ions, as well as blood slide tests, and cannot be used for white blood cell and platelet counting, as it can cause aggregation of blood platelets and affect the morphology of white blood cells. The potassium oxalate produced by Desheng is in powder form and is prepared into a 0.2ml volume, 10% concentration solution and added to a test tube. It is not necessary to place it directly. Next, gently tap the test tube until the solution is evenly distributed around the tube wall. Then, dry the test tube with a uniform solution in an oven below 80 ℃. At this time, the drying temperature in the oven should not be too high. If it is too high, it will cause potassium oxalate to decompose into potassium carbonate, thereby losing its anticoagulant effect. Therefore, it is necessary to control the temperature well. In routine blood testing and analysis, potassium oxalate is commonly used as an anticoagulant added to test tubes. Fresh blood samples that have just been collected can usually be stored for one year at temperatures below -20 ℃. Desheng Biochemical has been producing blood vessel additives for 18 years. As an established manufacturer, we prioritize customer interests and strictly control quality. Currently, we sell a large number of serum separation gels, anticoagulants, and coagulants, which are widely used in clinical medicine and in vitro diagnostic reagents and have been praised by multiple partners. If you have any needs for blood collection additives, you can click on the official website for consultation! Uses : Blood collection additive Synonyms : Potassium Oxalate;Potassium oxalate monohydrate;Ethanedioic acid, dipotassium salt, monohydrate;UNII-6S7F3685W2;dipotassium ethanedioate hydrate; Molecular Structure : 
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