Sodium Citrate 1:4 Tube

The vessel contained 0.129 mol / L sodium citrate, 0.32 ml, and 1.28 ml blood was collected to the central scale

After blood collection, the anticoagulant should be reversed 4-5 times to make the anticoagulant fully mix with the blood.

Then put it into the d2010 automatic ESR analyzer, and read it after 30 minutes.