Solubility in alcohol,| | dilute . . . . . . | Very soluble | Very soluble Solubility in absolute| | alcohol . . . . . . | Insoluble | Insoluble Solubility in ether, | | chloroform and | | benzene . . . . . . | Insoluble | Unusually insoluble | | but can be extracted | | with ether from | | fatty materials such | | as egg yolk Stability to heat . . | Stable at 100°C, | Destroyed very slowly | destroyed rapidly at | at temperatures below | 120° (in neutral or | 100°C., more rapid at | acid solution) | temperatures | | between 110 and 120°C. Stability to drying . | Stable | Stable Stability to acids | | (hot dilute) . . . | Moderately stable | Stable Stability to acids | | (cold dilute) . . . | Stable | Stable Stability to alkalies | | (hot dilute) . . . | Rapidly destroyed | ? Stability to alkalies | | (cold dilute) . . . | Stable | In dialysis . . . . . | Passes through | Passes through | parchment membrane | parchment membrane In adsorption . . . . | Adsorbed from acid | Adsorbed from neutral | or neutral solution | solutions by fuller's | by fuller's earth, | earth, colloidal | charcoal, etc. | ferric hydroxide, | | animal charcoal, etc. ______________________|________________________|_________________________