| PPR4B2 | ICP standard Praseodymium 10000µg/ml in 2-5% HNO3 | 250ml | 422 € | reageco | human |
| PPR4A2 | ICP standard Praseodymium 10000µg/ml in 5% HCl V/V | 100ml | 236 € | reageco | human |
| PPR2B2 | ICP standard Praseodymium 1000µg/ml in 2-5% HNO3 | 250ml | 210 € | reageco | human |
| PPR2A2 | ICP standard Praseodymium 1000µg/ml in 5% HCl V/V | 100ml | 166 € | reageco | human |
| PPR2C2 | ICP standard Praseodymium 1000µg/ml in 5% HCl V/V | 500ml | 278 € | reageco | human |
| PPR1A2 | ICP standard Praseodymium 100µg/ml in 5% HCl V/V | 100ml | 164 € | reageco | human |
| PPR2H2 | ICP standard Praseodymium 2-5% HNO3 1000µg/ml | 30ml | 114 € | reageco | human |
| PPR4H2 | ICP standard Praseodymium 5% HCl V/V 10000µg/ml | 30ml | 143 € | reageco | human |
| PPR1H2 | ICP standard Praseodymium 5% HCl V/V 100µg/ml | 30ml | 112 € | reageco | human |