Mixture of activated charcoal (14 g) and dextran T-70 (1.4 g) per 100 mL plasma were taken and the mixture was washed with distilled water by through mixing using a magnetic stirrer
overnight at room temperature. After allowing the mixture to stand for 5 min the supernatant was discarded and the mixture
was again subjected to the washing process for 3 more times at 8 h intervals to remove all traces of suspended fine charcoal particles