| No extensive applications have been attributed to praseodymium or its salts. |
| One of the oldest uses for praseodymium is in the manufacture of misch metal, a pyrophoric metal used to make lighter flints and tracer bullets. |
| Process for the oxidation of hydrogen chloride with oxygen in the presence of a salt melt, characterized in that the salt melt comprises promotors from the group consisting of salts of cerium, praseodymium and neodymium. |
| The Bayan Obo deposit is slightly richer in praseodymium and neodymium than the Mountain Pass bastnasite is, primarily at the expense of the lanthanum content, which is 10 percent greater in the Mountain Pass ore. |
| The glass industry uses praseodymium to produce objects such as welder's goggles. |
| The salts of praseodymium are green in colour, and give a characteristic spark spectrum. |
