Our test tube rack was made of high quality PP material, it has reasonable design, sturdy and corrodion-resistant. Autoclavable to 121 centigrades, no distriction. Various styles, colors, suitable for many
ESR Pipette Tube which is used for ESR detection, 3.8% sodium citrate solution was added into the tube. The ratio of blood to additives was 4:1, and the blood collection
