—, Davy's original mode of decomposing, xxi, 367.f

—, action of, on organic matters, xvii, 382; xxiv, 372.

—, action of, on cholesterine, xliv, 60.

— and soda, mixture of pure carbonates of, xlix, 195.

—, carbonate of, mode of preparing, free from silica, xlix, 195.

—, chlorate of, mode of obtaining, ix, 201.

—, pure chromate of, xx, 409.

—, to test the chromate of, S. Zuber, xxiv, 372.

—, chromate of, means of determining the purity of, xvi, 392.

—, —, a test for distinguishing strontia and baryta, xxxvi, 183.