—, mode of preparing, xlix, 195.
—, specific gravity of, xxxv, 298.
—, on the office of, in respiration, L. C. Beck, xviii, 52.
—, reduction of metals by, xix, 371.
— in animal substances, researches relative to, Macaire and Marcet, xxiii, 384.
— — ibid, on the determination of, xxviii, 134.
— — ibid, Bunsen's method of estimating, xli, 53.
— — ibid, new method of determining, Varrentrapp and Will, xlii, 253f; xlv, 267.
—, combines with iron and copper, xxiv, 374.
—, phosphuret of, xxviii, 140.