| Properties: | |
| Half-life 63 days, radiation β and γ. | |
| Derivation: | |
| Obtained in a mixture with niobium from the fission products of nuclear reactor fuels. | |
| Available Forms: | |
| Zirconium oxalate complex in oxalic acid solution. | |
| Hazard: | |
| Radioactive poison. | |
| Use: | |
| To trace the flow of petroleum products in pipelines, to measure rate of catalyst circulation in petroleum cracking plants, to study the cracking and polymerization of hydrocarbons with various catalysts, etc. | |