Cobalt (Co) |
Extraction | 0.01 | pH 2.5 | Sealed vessel, 121 °C for 1 h, 0.025 g/mL solvent | Polyethylene resin | 35 |
<0.01 | pH 9.5 |
<0.005 | Water, olive oil, 3% acetic acid, ethanol | Sealed vessel, 40 °C for 10 days, 28 cm2 per 50 mL solvent | Polyethylene resin, total pool of Co = 50 mg/kg | 44 |
<0.001 | 3% acetic acid | Sealed vessel, 40 °C for 10 days, 0.15 g sample/mL solvent | Polystyrene, total pool = 0.6 mg/kg | 21 |
<0.001 | 3% acetic acid | Sealed vessel, 40 °C for 10 days, 0.15 g sample/mL solvent | Polyethylene terephthalate, total pool = 58 mg/kg | 21 |
Molybdenum (Mo) |
Extraction | <0.01 | pH 2.5 | Sealed vessel, 121 °C for 1 h, 0.025 g/mL solvent | Plasticized PVC resin | 35 |
0.01 | pH 9.5 |
1–55 ng/mL4 | Ethanol | Filled portions of silicone tubing, 55 °C for 24 h | 6 commercially available silicone materials | 54 |
Selenium (Se) |
Extraction | 0.4 | IPA/water | Various extraction methods, 0.02–0.04 g/mL solvent | Plasticized PVC resin | 56 |
0.6 | pH 9.5 |
0.6 | Isohexane |
Vanadium (V) |
Extraction | 0.01 | pH 2.5 | Sealed vessel, 121 °C for 1 h, 0.025 g/mL solvent | Plasticized PVC resin | 35 |
<0.01 | pH 9.5 |
0.01 | pH 2.5 | Sealed vessel, 121 °C for 1 h, 0.025 g/mL solvent | Rubber elastomer strip | 35 |
0.01 | pH 9.5 | Sealed vessel, 121 °C for 1 h, 0.025 g/mL solvent | Rubber elastomer strip | 35 |