Supplementary Figure 4: Application of aluminum foil on 120 mL bottles. | Nature Protocols

Supplementary Figure 4: Application of aluminum foil on 120 mL bottles.

From: Ex situ determination of freely dissolved concentrations of hydrophobic organic chemicals in sediments and soils: basis for interpreting toxicity and assessing bioavailability, risks and remediation necessity

Supplementary Figure 4

When using 120 mL equilibration bottles, apply a 5x5 cm piece of thick acetone-cleaned laboratory aluminum foil in order not to expose the sample to the plastic cap. Place the foil on the mouth of the bottle, with the dull side facing the inside of the bottle. Carefully crimp the foil around the neck, making sure that the foil touches the bottle mouth completely, showing no creases.

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