| TA10M5 | Alkalinity standard 10,000mg/l 10,000 ppm as CaCO3 | 500ml | 316 € | reageco | human |
| TA1001 | Alkalinity standard 100mg/l 100 ppm as CaCO3 | 1L | 210 € | reageco | human |
| TA0201 | Alkalinity standard 20mg/l 20 ppm as CaCO3 | 1L | 214 € | reageco | human |
| TA2501 | Alkalinity standard 250mg/l 250 ppm as CaCO3 | 1L | 210 € | reageco | human |
| TA4M05 | Alkalinity standard 4000mg/l 4000 ppm as CaCO3 | 500ml | 199 € | reageco | human |
| TA0501 | Alkalinity standard 50mg/l 50 ppm as CaCO3 | 1L | 212 € | reageco | human |
| TA150-10L | Calcium Carbonate Alkalinity standard 150mg/l solution as CaCO3 | 10L | 246 € | reageco | human |
| TA150-1L | Calcium Carbonate Alkalinity standard 150mg/l solution as CaCO3 | 1L | 107 € | reageco | human |