Abstract Bent copper tubes have been successfully used for solid state reactions at high temperature, under nonoxidizing atmosphere. They provide an inexpensive and convenient alternative to gold and platinum for reactions between fluorides, and do not reduce some elements such as tin (II), as nickel does. Solid state NMR studies of fast fluoride ion conductors Pb 1− x Sn x F 2 prepared in copper tubes show that contamination by ...
