Praseodymium and neodymium could be deposited at lithium or quaternary ammonium amalgamelectrode, but not at sodium amalgamelectrode.
镨、钕在季铵汞齐电极和在锂汞齐电极上都能形成汞齐，而在钠汞齐电极上则不能。
2
The growth of gas bubbles on liquid-liquid interface is studied experimentally when gas forms through chemical reaction in sulphuric acid solution-zinc amalgam (or mercury electrode) system.