... of measurement sensitivity without water-cooling. Multi-functional analysis mode: for methods of flame absorption, flame emission, graphite furnace atomic ... As, Se, Sb, Bi, Pb, Sn, Te, Ge, In, Tl, Cd and Zn lower than ppb level with cold atomic ... mercury measurement method.Nitrous oxide reductor: The necessary accessory for nitrous oxide-acetylene flame analysis.Hollow cathode lamp: All ...