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Buffered Sodium Citrate tubes

CODESIZEDESCRIPTIONDRAWINGVOLUMECOLOURSHELF-LIFEPACKAGINGLABEL
1407413 x 75 mm INSodium citrate 3.2%1.8 ml2mlTranslucent light blue12 months100 / 1000Plastic
1401013 x 75 mm INSodium citrate 3.8%1.8 ml2mlTranslucent light blue12 months100 / 1000Plastic
1408413 x 75 mm INSodium citrate 3.2%2.25 ml2.5 mlTranslucent light blue12 months100 / 1000Plastic
1402013 x 75 mm INSodium citrate 3.8%2.25 ml2.5 mlTranslucent light blue12 months100 / 1000Plastic
1457413 x 75 mmSodium citrate 3.2%3.6 ml4 mlTranslucent light blue6 months100 / 1000Plastic
1452013 x 75 mmSodium citrate 3.8%3.6 ml4 mlTranslucent light blue6 months100 / 1000Plastic
1452113 x 75 mmSodium citrate 3.8%4.05 ml4.5 mlTranslucent light blue6 months100 / 1000Plastic
61452213 x 75 mmSodium citrate 3.2%4.05 ml4.5 mlTranslucent light blue6 months100 / 1000Transparent

The concentration of sodium citrate at 3,2% corresponds to a molarity 0,109.
The concentration of sodium citrate at 3,8% corresponds to a molarity 0,129.

For the coagulation studies the tubes size 13×75 mm is also available with thicker walls to allow the blood level raise with different volumes.

Recommended use

Mixing indications: immediately after blood collection gently invert the sample 4-5 times
Minimum time before centrifugation: none
Maximum time before centrifugation: 2 – 4 hrs after blood collection, depending on the test
Centrifugation speed: 2000-2500 g for 15-20 minutes at 20-25 °C. Use proper timing and centrifugation speed in order to obtain a plasma poor of blood platelets
Sample preservation (plasma separated from blood cells): time and temperature of preservation may change depending on the test.
For further information and instructions see CLSI (ex NCCLS)H21-A5 or refer to indications of reagents in use.