· Rubber inserts should preferably not be used under caps.
· 20-30 ml of Blood taken from femoral artery or vein by per skin puncture should be collected in 60ml screw-capped bottles or in plastic capped tubes/ 10 mg of sodium or potassium fluoride per ml of blood should be added in blood for preserving blood.
· 20-30 ml of Urine is obtained from direct puncture of the bladder during the postmortem examination with a syringe and needle and should be collected in 60 ml screw-capped bottles or in plastic capped tubes and preservative 20-30mg of thymol blue or boric acid or acetic acid should be added as preservative
· Saturated sodium chloride solution (common salt.) for all the visceral samples for chemical/toxicological examination
· If there is an associated history of death due to acid intoxication then all the samples should be preserved in rectified spirit.
