- After centrifugation samples are sorting on basis of total volume and serum/plasma volume for Erba XL 1000 and Erba XL640

• For Plain vacuette
  • if Total blood volume <2.0, analyses in Erba Xl 640.
  • if Total blood volume >2.0 and serum <0.7, analyses in Erba Xl 640.
  • if Total blood volume >2.0 and serum >0.7, analyses in Erba Xl 1000.
• For Flouride vacuette
  • if Total blood volume <1.5, analyses in Erba Xl 640.
  • if Total blood volume >1.5 and plasma <0.5, analyses in Erba Xl 640.
  • if Total blood volume >1.5 and plasma >0.5, analyses in Erba Xl 1000.