Viscera Preserved & Quantities ViscusQuantity PreservedStomachEntire stomach with its contentsSmall intestineAbout 30 cm (one foot) of upper small intestine with contentsLiverApproximately 500 g, preferably including the gall bladderKidneyOne kidney or half of each kidneySpleenPreserved when indicated by local rules or special circumstances Preservatives Used Saturated solution of common salt — the most commonly used preservative for viscera. Rectified spirit — used in many poisoning cases.