What is potassium ethylenediamine tetraacetate

Details:

Potassium EDTA, also known as potassium EDTA - K3, is a chemical substance It is also a chemical raw material. The molecular formula is c10h13k3n2o8. This product is a white crystalline powder, tasteless, easily soluble in water, very easy to absorb moisture, and the molecular weight is 442.56.

Main purpose

It is used for in vitro anticoagulation of blood. Clinically, it is an anticoagulant additive used for blood test. It is used for the pretreatment of blood samples (anticoagulant treatment) in the process of clinical blood collection and test.

Scope of application

EDTA salt can protect the cellular components of blood, does not affect the white blood cell count and size, has the least impact on the morphology of red blood cells, and can inhibit the aggregation of platelets. It is suitable for general hematological tests. Except for the separation and test of platelets, it is not suitable for coagulation test and platelet kinetic energy test, nor for the determination of calcium ion, potassium ion, sodium ion, iron ion, alkaline phosphatase, creatine kinase and leucine aminopeptidase.

As a blood anticoagulant, Tripotassium EDTA has higher solubility and faster anticoagulation speed than dipotassium EDTA.

Production process monitoring points:

1. PH value range: 7.5 ± 1.0;

2. The specific gravity of the solution is 1.460-1.470;

3. Temperature control of the whole reaction process;

4. Control of impurities, filter with plate and frame filter press;

5. The drying time shall be controlled within 3-4 days and the temperature shall rise gradually;

6. Control of main content ≥ 99.0;

[usage] dissolve in deionized water (distilled water), prepare a solution with a certain concentration and content, and then add it to the blood collection vessel.

[storage conditions] this product can be sealed and stored in a cool and dry place, away from light and moisture. The aqueous solution of this product can be sealed and stored at room temperature in a sterile state. It is suggested that the aqueous solution of this product should be prepared and used immediately, and should not be stored in the solution state for a long time.

[term of validity] 3 years

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