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AGRICULTURE WITH CHEMISTRY. 239

seeds or kernels of fruits, a permanent soap, or sapona- ceous emulsion; for although such a sapo seems to be formed, still it keeps only in that state until the lime sa- turates itself with fixable air, after which a separation takes place, and the oil comes again to the surface of the liquor. This proves that lime is not endowed with those | powers ascribed to it, in rendering oil soluble in water. Admitting, however,(which is not the fact) that the sapo made by lime and oil was a true and a permanent one,

still the oil, strictly speaking, could not be considered as ) Ss)

ee rs oon. peer Perera a ademas i iia ae iti o met

in solution, being only mechanically separated and di-

ESSE RAST N! SAE RS A SNe

vided in the water, and not chemically united therewith,

7 peels i

as is apparent by its colour; for liquors wherein chemical

union exists are colourless.

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The only effect that lime has upon gross oil is to deprive it of that principle which constituted it such, and to reduce it to the state of an oil more fluid, and more resembling animal or other oils attenuated by frequent distillations.

Lime certainly does no more than deprive the gross oil of the acid, on which depend its thickness and consistency, the lime combining with the acidin the same manner asin

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