Present name. - Amnionic Iodide. Nh4i.

Can be obtained from the operative chemists in a state of purity.

It is sometimes found to agree with patients who cannot take Kali Iod. without suffering unpleasantly.

Preparation. - Solution in distilled water up to 1, then use distilled water to which 5 per cent, of rectified spirit has been added for 3X and 2, dilute alcohol for 3, and afterwards rectified spirit.