Heparin sodium is a commonly used anticoagulant widely used in the biomedical field, especially in the processing and preservation of blood samples. Accurately preparing heparin sodium solution is crucial for blood collection manufacturers, as it directly determines the stability of clinical use and does not cause any interference in blood sample collection. What is the amount of heparin sodium powder that can be diluted and dissolved in deionized water or distilled water when it leaves the factory in its original white powder state?

 

Heparin sodium powder

 

Heparin sodium

 

Heparin sodium is an acidic mucopolysaccharide mixture extracted from the intestinal mucosa of pigs or cows, which has strong anticoagulant effects. Its main mechanism of action is to prevent blood clotting by inhibiting the activity of coagulation factors Xa and IIa (thrombin).

 

Steps for preparing sodium heparin solution

 

In the laboratory, heparin sodium is usually stored in powder form and needs to be diluted and dissolved before use. The following are the general steps for preparing heparin sodium solution:

 

1. Preparation work

 

Sodium heparin powder, deionized or distilled water, balance, graduated cylinder or pipette, clean glass beaker, magnetic stirrer, etc.

 

2. Calculate the required amount of heparin sodium powder

 

(1) Determine the volume and concentration of the required solution: Assuming we need to prepare 1 liter of sodium heparin solution with a concentration of 100IU/20 μ L.

 

(2) Calculate the total unit amount of heparin sodium: The total unit amount of heparin sodium required for 1 liter (1000 milliliters) of solution is 100IU/20 μ L x 50 x 1000=5000000IU.

 

(3) Calculate the required mass of heparin sodium powder: Assuming the potency of heparin sodium is 160IU/mg, the required mass of heparin sodium powder is 5000000IU ÷ 160IU/mg=31.25 grams.

 

3. Dissolved sodium heparin powder

 

(1) Weighing sodium heparin powder: Use a balance to weigh the required sodium heparin powder (31.25 grams).

 

(2) Add deionized water: Add an appropriate amount of deionized water to a clean glass beaker container. To ensure sufficient dissolution, 800-900 milliliters can be added first.

 

(3) Dissolve sodium heparin powder: Slowly add the weighed sodium heparin powder to deionized water, and mix with a glass rod or a magnetic stirrer to ensure that all sodium heparin powder is completely dissolved.

 

(4) Adjust volume: After complete dissolution, transfer the solution to a measuring cylinder and make up to volume with deionized water.

 

Matters needing attention

 

1. Stability of solution: Sodium heparin solution is relatively stable under low temperature (0-4 ℃) conditions, but it is still necessary to avoid long-term storage as much as possible to prevent contamination.

 

2. Sterile operation: During the preparation and packaging process, sterile operation should be used as much as possible to avoid contamination of the solution.

 

3. Accurate weighing: Use a balance to accurately weigh and avoid excessive or insufficient use.

 

4. Proper stirring: During the dissolution process, using a magnetic stirrer can help heparin sodium powder dissolve faster and more evenly, avoiding excessive stirring.

 

Product packaging

During the preparation of heparin sodium solution, it is necessary to determine the amount of heparin sodium powder according to experimental requirements, and strictly control the dissolution and dilution steps. Reasonable operation and storage are beneficial for the stability of heparin sodium solution. As a manufacturer of blood vessel additives, Desheng can supply anticoagulant products such as heparin sodium and heparin lithium, all of which provide guidance and customized services, and are affordable to meet the different needs of customers. There is a stock promotion in the warehouse, and the price is attractive. If you have any relevant intentions, please click on the website to inquire about details and purchase!