Note 46 — Prop. IV.—That some few remedial agents act locally on the mucous surface, either before absorption, or without being absorbed at all. That they are chiefly as follow:— (continued 5)
Reading edition
It has been asserted by Dr. Murray that it is impossible for Mercury to pass off in the urine, on account of the Phosphoric acid contained in that secretion, which would precipitate the metal. But Phosphoric acid is also contained in the blood; and Mercury has been discovered in the urine.