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2- Sodium citrate is used in coagulation studies.Therefore, 3.2% sodium citrate tubes contain 3.2 grams of sodium citrate per 100 ml of solution, and this is the preferred concentration for conducting these coagulation studies such as: pT, APTT, also 3.8%, contains 3.8 sodium citrate per 100 ml of solution.Who have abnormal hematocrit levels.The most commonly used concentrations are 3.2% and 3.8%.

2- Sodium citrate is used in coagulation studies. The most commonly used concentrations are 3.2% and 3.8%. Therefore, 3.2% sodium citrate tubes contain 3.2 grams of sodium citrate per 100 ml of solution, and this is the preferred concentration for conducting these coagulation studies such as: pT, APTT, also 3.8%, contains 3.8 sodium citrate per 100 ml of solution. This is less commonly used in coagulation studies actually because it can result in slightly longer clotting due to the higher concentration of citrate, which chelates more than calcium, The 3.2% tubes have a ratio of 9:1, which is an accurate result for The coagulation test is performed by maintaining reasonable levels of calcium, and the 3.8% tubes also have the same ratio, but the higher citrate concentration may affect the test results in some cases, especially patients. Who have abnormal hematocrit levels.