250-130-150 | Fer(II) ammonium sulfate, 0.00282 N | 500ml | | |
250-130-200 | Fer(II) ammonium sulfate, 0.05 N | 500ml | | |
250-130-250 | Fer(II) ammonium sulfate, 0.1 N | 500ml | | |
250-130-300 | Fer(II) ammonium sulfate, 0.25 N | 500ml | | |
250-130-350 | Fer(II) ammonium sulfate, 0.4 N | 500ml | | |
250-130-450 | Fer(II) ammonium sulfate, 20% p/v | 500ml | | |
250-130-550 | COD solution de contrôle,100 mg/l O2 | 500ml | | |
250-130-600 | COD solution de contrôle,1000 mg/L O2 | 500ml | | |
250-130-650 | COD solution de contrôle,10,000 mg/L O2 | 500ml | | |
250-130-152 | Fer(II) ammonium sulfate, 0.00282 N | 4L | | |
250-130-202 | Fer(II) ammonium sulfate, 0.05 N | 4L | | |
250-130-252 | Fer(II) ammonium sulfate, 0.1 N | 4L | | |
250-130-352 | Fer(II) ammonium sulfate, 0.4 N | 4L | | |
250-130-452 | Fer(II) ammonium sulfate, 20% p/v | 4L | | |
250-130-701 | COD Control Solution, 200ppm O2 | 250ml | | |
250-130-512 | COD solution de contrôle,100 mg/l O2 | 125ml | | |
250-130-602 | COD solution de contrôle,1000 mg/L O2 | 125ml | | |
250-130-652 | COD solution de contrôle,10,000 mg/L O2 | 125ml | | |